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scalapack: added package for parallel LAPACK



Module Name:	pkgsrc-wip
Committed By:	Dr. Thomas Orgis <thomas.orgis%uni-hamburg.de@localhost>
Pushed By:	thor
Date:		Thu Nov 12 13:52:12 2020 +0100
Changeset:	a2ef7c0df1bb83b72e6cab6332b25212cc4a2287

Added Files:
	scalapack/DESCR
	scalapack/Makefile
	scalapack/PLIST
	scalapack/distinfo
	scalapack/patches/patch-CMakeLists.txt
	scalapack/patches/patch-gcc10fixfromgit
	scalapack/patches/patch-scalapack.pc.in

Log Message:
scalapack: added package for parallel LAPACK

To see a diff of this commit:
https://wip.pkgsrc.org/cgi-bin/gitweb.cgi?p=pkgsrc-wip.git;a=commitdiff;h=a2ef7c0df1bb83b72e6cab6332b25212cc4a2287

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

diffstat:
 scalapack/DESCR                         |    7 +
 scalapack/Makefile                      |   27 +
 scalapack/PLIST                         |    8 +
 scalapack/distinfo                      |    9 +
 scalapack/patches/patch-CMakeLists.txt  |   18 +
 scalapack/patches/patch-gcc10fixfromgit | 5685 +++++++++++++++++++++++++++++++
 scalapack/patches/patch-scalapack.pc.in |   13 +
 7 files changed, 5767 insertions(+)

diffs:
diff --git a/scalapack/DESCR b/scalapack/DESCR
new file mode 100644
index 0000000000..61edf42763
--- /dev/null
+++ b/scalapack/DESCR
@@ -0,0 +1,7 @@
+ScaLAPACK, or Scalable LAPACK, is a library of high performance linear
+algebra routines for distributed memory computers supporting MPI.
+
+The complete ScaLAPACK package is freely available on netlib and
+can be obtained via the World Wide Web or anonymous ftp.
+
+    http://www.netlib.org/scalapack/
diff --git a/scalapack/Makefile b/scalapack/Makefile
new file mode 100644
index 0000000000..dde731b2a0
--- /dev/null
+++ b/scalapack/Makefile
@@ -0,0 +1,27 @@
+# $NetBSD$
+
+DISTNAME=	scalapack-2.1.0
+CATEGORIES=	math
+MASTER_SITES=	http://www.netlib.org/scalapack/
+EXTRACT_SUFX=	.tgz
+
+MAINTAINER=	thomas.orgis%uni-hamburg.de@localhost
+HOMEPAGE=	http://www.netlib.org/scalapack/
+COMMENT=	Scalable Linear Algebra PACKage
+LICENSE=	modified-bsd
+
+USE_CMAKE=	yes
+USE_TOOLS+=	pkg-config
+USE_LANGUAGES=	c fortran
+
+CMAKE_ARGS=	-DLAPACK_LIBRARIES=${LAPACK_LIBS:Q} \
+		-DBLAS_LIBRARIES=${BLAS_LIBS:Q} \
+                -DBUILD_SHARED_LIBS=ON \
+                -DBUILD_STATIC_LIBS=ON \
+
+PKGCONFIG_OVERRIDE+=	scalapack.pc.in
+
+.include "../../mk/blas.buildlink3.mk"
+.include "../../mk/mpi.buildlink3.mk"
+
+.include "../../mk/bsd.pkg.mk"
diff --git a/scalapack/PLIST b/scalapack/PLIST
new file mode 100644
index 0000000000..44e5dde3ce
--- /dev/null
+++ b/scalapack/PLIST
@@ -0,0 +1,8 @@
+@comment $NetBSD$
+lib/cmake/${PKGNAME}/scalapack-config-version.cmake
+lib/cmake/${PKGNAME}/scalapack-config.cmake
+lib/cmake/${PKGNAME}/scalapack-targets-noconfig.cmake
+lib/cmake/${PKGNAME}/scalapack-targets.cmake
+lib/libscalapack.a
+lib/libscalapack.so
+lib/pkgconfig/scalapack.pc
diff --git a/scalapack/distinfo b/scalapack/distinfo
new file mode 100644
index 0000000000..3b89aa794a
--- /dev/null
+++ b/scalapack/distinfo
@@ -0,0 +1,9 @@
+$NetBSD$
+
+SHA1 (scalapack-2.1.0.tgz) = 9dae1d4d49fe187583eec88e71770edb68e082b7
+RMD160 (scalapack-2.1.0.tgz) = 4eee240e39bcfaad1c2a38657014e1a51b778340
+SHA512 (scalapack-2.1.0.tgz) = 0e77fb535ebcc28e2d97499ef4bd5161f76ca0ba4a3e308c26ce5071cfc4be4f3814262f3fb38f378ce0b5b31c0913432fea00a1e9e3f7717b853d1182bdf5b4
+Size (scalapack-2.1.0.tgz) = 5307441 bytes
+SHA1 (patch-CMakeLists.txt) = a826593cfbc0fe2cfbb87d4dfc2b342c1a45d0d6
+SHA1 (patch-gcc10fixfromgit) = a6ac951efdf93bfde597cf83ef75de8afb615d8c
+SHA1 (patch-scalapack.pc.in) = 53dd2eeba58462e8788e92f4684d943357799361
diff --git a/scalapack/patches/patch-CMakeLists.txt b/scalapack/patches/patch-CMakeLists.txt
new file mode 100644
index 0000000000..39eb964397
--- /dev/null
+++ b/scalapack/patches/patch-CMakeLists.txt
@@ -0,0 +1,18 @@
+$NetBSD$
+
+This enables building both shared and static libs.
+
+--- CMakeLists.txt.orig	2020-06-09 19:05:01.803103294 +0200
++++ CMakeLists.txt	2020-06-09 19:09:46.581054808 +0200
+@@ -234,6 +234,11 @@
+    add_library(scalapack ${blacs} ${tools} ${tools-C} ${extra_lapack} ${pblas} ${pblas-F} ${ptzblas} ${ptools} ${pbblas} ${redist} ${src} ${src-C})
+    target_link_libraries( scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
+    scalapack_install_library(scalapack)
++   if(BUILD_SHARED_LIBS AND BUILD_STATIC_LIBS)
++      add_library(scalapack_static STATIC ${blacs} ${tools} ${tools-C} ${extra_lapack} ${pblas} ${pblas-F} ${ptzblas} ${ptools} ${pbblas} ${redist} ${src} ${src-C})
++      set_target_properties(scalapack_static PROPERTIES OUTPUT_NAME scalapack)
++      scalapack_install_library(scalapack_static)
++   endif()
+ else (UNIX) # Need to separate Fortran and C Code
+    OPTION(BUILD_SHARED_LIBS "Build shared libraries" ON )
+    add_library(scalapack ${blacs} ${tools-C} ${pblas} ${ptools} ${redist} ${src-C})
diff --git a/scalapack/patches/patch-gcc10fixfromgit b/scalapack/patches/patch-gcc10fixfromgit
new file mode 100644
index 0000000000..6d422dea0d
--- /dev/null
+++ b/scalapack/patches/patch-gcc10fixfromgit
@@ -0,0 +1,5685 @@
+$NetBSD$
+
+Fix build with GCC 10, according to upstream commit. A release
+after 2.1.0 should contain this.
+
+From 9c909f06cf51a3d00252323ce52aba46cc64ab41 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Tiziano=20M=C3=BCller?= <tiziano.mueller%chem.uzh.ch@localhost>
+Date: Thu, 25 Jun 2020 18:36:46 +0200
+Subject: [PATCH 1/2] fix argument mismatches in the SRC
+
+---
+ SRC/pclarf.f   |  80 +++++++++++++++++-----------------
+ SRC/pclarfc.f  |  88 ++++++++++++++++++-------------------
+ SRC/pclarz.f   | 111 ++++++++++++++++++++++++-----------------------
+ SRC/pclarzc.f  | 115 +++++++++++++++++++++++++------------------------
+ SRC/pclattrs.f |  55 +++++++++++------------
+ SRC/pclawil.f  |  53 +++++++++++------------
+ SRC/pctrevc.f  |  20 +++++----
+ SRC/pdhseqr.f  |  36 ++++++++--------
+ SRC/pdlacon.f  |  36 ++++++++--------
+ SRC/pdlarf.f   |  80 +++++++++++++++++-----------------
+ SRC/pdlarz.f   | 100 +++++++++++++++++++++---------------------
+ SRC/pdlawil.f  |  48 ++++++++++-----------
+ SRC/pdstebz.f  |  20 ++++-----
+ SRC/pdtrord.f  |  43 +++++++++++-------
+ SRC/pdtrsen.f  |  24 ++++++-----
+ SRC/pshseqr.f  |  36 ++++++++--------
+ SRC/pslacon.f  |  36 +++++++++-------
+ SRC/pslarf.f   |  80 +++++++++++++++++-----------------
+ SRC/pslarz.f   | 100 +++++++++++++++++++++---------------------
+ SRC/pslawil.f  |  50 +++++++++++----------
+ SRC/psstebz.f  |  20 ++++-----
+ SRC/pstrord.f  |  45 +++++++++++--------
+ SRC/pstrsen.f  |  22 ++++++----
+ SRC/pzlarf.f   |  80 +++++++++++++++++-----------------
+ SRC/pzlarfc.f  |  88 ++++++++++++++++++-------------------
+ SRC/pzlarz.f   | 103 +++++++++++++++++++++----------------------
+ SRC/pzlarzc.f  | 111 ++++++++++++++++++++++++-----------------------
+ SRC/pzlattrs.f |  55 +++++++++++------------
+ SRC/pzlawil.f  |  49 +++++++++++----------
+ SRC/pztrevc.f  |  20 +++++----
+ 30 files changed, 927 insertions(+), 877 deletions(-)
+
+diff --git a/SRC/pclarf.f b/SRC/pclarf.f
+index f941e46..371f710 100644
+--- SRC/pclarf.f
++++ SRC/pclarf.f
+@@ -242,7 +242,7 @@ SUBROUTINE PCLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+      $                   IOFFV, IPW, IROFF, IVCOL, IVROW, JJC, JJV, LDC,
+      $                   LDV, MYCOL, MYROW, MP, NCC, NCV, NPCOL, NPROW,
+      $                   NQ, RDEST
+-      COMPLEX            TAULOC
++      COMPLEX            TAULOC( 1 )
+ *     ..
+ *     .. External Subroutines ..
+       EXTERNAL           BLACS_GRIDINFO, CCOPY, CGEBR2D, CGEBS2D,
+@@ -336,7 +336,7 @@ SUBROUTINE PCLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                      CALL CGEBS2D( ICTXT, 'Columnwise', ' ', 1, 1,
+      $                             TAU( IIV ), 1 )
+-                     TAULOC = TAU( IIV )
++                     TAULOC( 1 ) = TAU( IIV )
+ *
+                   ELSE
+ *
+@@ -345,7 +345,7 @@ SUBROUTINE PCLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                   END IF
+ *
+-                  IF( TAULOC.NE.ZERO ) THEN
++                  IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                    w := sub( C )' * v
+ *
+@@ -363,8 +363,8 @@ SUBROUTINE PCLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+ *                    sub( C ) := sub( C ) - v * w'
+ *
+-                     CALL CGERC( MP, NQ, -TAULOC, WORK, 1, WORK( IPW ),
+-     $                           1, C( IOFFC ), LDC )
++                     CALL CGERC( MP, NQ, -TAULOC( 1 ), WORK, 1,
++     $                           WORK( IPW ), 1, C( IOFFC ), LDC )
+                   END IF
+ *
+                END IF
+@@ -379,9 +379,9 @@ SUBROUTINE PCLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                   IF( MYCOL.EQ.ICCOL ) THEN
+ *
+-                     TAULOC = TAU( JJV )
++                     TAULOC( 1 ) = TAU( JJV )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C )' * v
+ *
+@@ -398,7 +398,7 @@ SUBROUTINE PCLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+ *                       sub( C ) := sub( C ) - v * w'
+ *
+-                        CALL CGERC( MP, NQ, -TAULOC, V( IOFFV ), 1,
++                        CALL CGERC( MP, NQ, -TAULOC( 1 ), V( IOFFV ), 1,
+      $                              WORK, 1, C( IOFFC ), LDC )
+                      END IF
+ *
+@@ -421,9 +421,9 @@ SUBROUTINE PCLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+                      IPW = MP+1
+                      CALL CGERV2D( ICTXT, IPW, 1, WORK, IPW, MYROW,
+      $                             IVCOL )
+-                     TAULOC = WORK( IPW )
++                     TAULOC( 1 ) = WORK( IPW )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C )' * v
+ *
+@@ -441,7 +441,7 @@ SUBROUTINE PCLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+ *                       sub( C ) := sub( C ) - v * w'
+ *
+-                        CALL CGERC( MP, NQ, -TAULOC, WORK, 1,
++                        CALL CGERC( MP, NQ, -TAULOC( 1 ), WORK, 1,
+      $                              WORK( IPW ), 1, C( IOFFC ), LDC )
+                      END IF
+ *
+@@ -471,7 +471,7 @@ SUBROUTINE PCLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                   CALL CGEBS2D( ICTXT, 'Columnwise', ' ', 1, 1,
+      $                          TAU( IIV ), 1 )
+-                  TAULOC = TAU( IIV )
++                  TAULOC( 1 ) = TAU( IIV )
+ *
+                ELSE
+ *
+@@ -480,7 +480,7 @@ SUBROUTINE PCLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C )' * v
+ *
+@@ -500,8 +500,8 @@ SUBROUTINE PCLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *                 sub( C ) := sub( C ) - v * w'
+ *
+                   IF( IOFFC.GT.0 )
+-     $               CALL CGERC( MP, NQ, -TAULOC, WORK, 1, WORK( IPW ),
+-     $                           1, C( IOFFC ), LDC )
++     $               CALL CGERC( MP, NQ, -TAULOC( 1 ), WORK, 1,
++     $                           WORK( IPW ), 1, C( IOFFC ), LDC )
+                END IF
+ *
+             ELSE
+@@ -516,18 +516,18 @@ SUBROUTINE PCLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+                   WORK(IPW) = TAU( JJV )
+                   CALL CGEBS2D( ICTXT, 'Rowwise', ROWBTOP, IPW, 1,
+      $                          WORK, IPW )
+-                  TAULOC = TAU( JJV )
++                  TAULOC( 1 ) = TAU( JJV )
+ *
+                ELSE
+ *
+                   IPW = MP+1
+                   CALL CGEBR2D( ICTXT, 'Rowwise', ROWBTOP, IPW, 1, WORK,
+      $                          IPW, MYROW, IVCOL )
+-                  TAULOC = WORK( IPW )
++                  TAULOC( 1 ) = WORK( IPW )
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C )' * v
+ *
+@@ -547,8 +547,8 @@ SUBROUTINE PCLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *                 sub( C ) := sub( C ) - v * w'
+ *
+                   IF( IOFFC.GT.0 )
+-     $               CALL CGERC( MP, NQ, -TAULOC, WORK, 1, WORK( IPW ),
+-     $                           1, C( IOFFC ), LDC )
++     $               CALL CGERC( MP, NQ, -TAULOC( 1 ), WORK, 1,
++     $                           WORK( IPW ), 1, C( IOFFC ), LDC )
+                END IF
+ *
+             END IF
+@@ -577,9 +577,9 @@ SUBROUTINE PCLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                   IF( MYROW.EQ.ICROW ) THEN
+ *
+-                     TAULOC = TAU( IIV )
++                     TAULOC( 1 ) = TAU( IIV )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C ) * v
+ *
+@@ -597,7 +597,7 @@ SUBROUTINE PCLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *                       sub( C ) := sub( C ) - w * v'
+ *
+                         IF( IOFFV.GT.0 .AND. IOFFC.GT.0 )
+-     $                     CALL CGERC( MP, NQ, -TAULOC, WORK, 1,
++     $                     CALL CGERC( MP, NQ, -TAULOC( 1 ), WORK, 1,
+      $                                 V( IOFFV ), LDV, C( IOFFC ),
+      $                                 LDC )
+                      END IF
+@@ -621,9 +621,9 @@ SUBROUTINE PCLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+                      IPW = NQ+1
+                      CALL CGERV2D( ICTXT, IPW, 1, WORK, IPW, IVROW,
+      $                             MYCOL )
+-                     TAULOC = WORK( IPW )
++                     TAULOC( 1 ) = WORK( IPW )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C ) * v
+ *
+@@ -641,8 +641,8 @@ SUBROUTINE PCLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+ *                       sub( C ) := sub( C ) - w * v'
+ *
+-                        CALL CGERC( MP, NQ, -TAULOC, WORK( IPW ), 1,
+-     $                              WORK, 1, C( IOFFC ), LDC )
++                        CALL CGERC( MP, NQ, -TAULOC( 1 ), WORK( IPW ),
++     $                              1, WORK, 1, C( IOFFC ), LDC )
+                      END IF
+ *
+                   END IF
+@@ -667,7 +667,7 @@ SUBROUTINE PCLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                      CALL CGEBS2D( ICTXT, 'Rowwise', ' ', 1, 1,
+      $                             TAU( JJV ), 1 )
+-                     TAULOC = TAU( JJV )
++                     TAULOC( 1 ) = TAU( JJV )
+ *
+                   ELSE
+ *
+@@ -676,7 +676,7 @@ SUBROUTINE PCLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                   END IF
+ *
+-                  IF( TAULOC.NE.ZERO ) THEN
++                  IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                    w := sub( C ) * v
+ *
+@@ -694,8 +694,8 @@ SUBROUTINE PCLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+ *                    sub( C ) := sub( C ) - w * v'
+ *
+-                     CALL CGERC( MP, NQ, -TAULOC, WORK( IPW ), 1, WORK,
+-     $                           1, C( IOFFC ), LDC )
++                     CALL CGERC( MP, NQ, -TAULOC( 1 ), WORK( IPW ), 1,
++     $                           WORK, 1, C( IOFFC ), LDC )
+                   END IF
+ *
+                END IF
+@@ -720,18 +720,18 @@ SUBROUTINE PCLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+                   WORK(IPW) = TAU( IIV )
+                   CALL CGEBS2D( ICTXT, 'Columnwise', COLBTOP, IPW, 1,
+      $                          WORK, IPW )
+-                  TAULOC = TAU( IIV )
++                  TAULOC( 1 ) = TAU( IIV )
+ *
+                ELSE
+ *
+                   IPW = NQ+1
+                   CALL CGEBR2D( ICTXT, 'Columnwise', COLBTOP, IPW, 1,
+      $                          WORK, IPW, IVROW, MYCOL )
+-                  TAULOC = WORK( IPW )
++                  TAULOC( 1 ) = WORK( IPW )
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C ) * v
+ *
+@@ -750,8 +750,8 @@ SUBROUTINE PCLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *                 sub( C ) := sub( C ) - w * v'
+ *
+                   IF( IOFFC.GT.0 )
+-     $               CALL CGERC( MP, NQ, -TAULOC, WORK( IPW ), 1, WORK,
+-     $                           1, C( IOFFC ), LDC )
++     $               CALL CGERC( MP, NQ, -TAULOC( 1 ), WORK( IPW ), 1,
++     $                           WORK, 1, C( IOFFC ), LDC )
+                END IF
+ *
+             ELSE
+@@ -770,7 +770,7 @@ SUBROUTINE PCLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                   CALL CGEBS2D( ICTXT, 'Rowwise', ' ', 1, 1, TAU( JJV ),
+      $                          1 )
+-                  TAULOC = TAU( JJV )
++                  TAULOC( 1 ) = TAU( JJV )
+ *
+                ELSE
+ *
+@@ -779,7 +779,7 @@ SUBROUTINE PCLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C ) * v
+ *
+@@ -797,8 +797,8 @@ SUBROUTINE PCLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+ *                 sub( C ) := sub( C ) - w * v'
+ *
+-                  CALL CGERC( MP, NQ, -TAULOC, WORK( IPW ), 1, WORK, 1,
+-     $                        C( IOFFC ), LDC )
++                  CALL CGERC( MP, NQ, -TAULOC( 1 ), WORK( IPW ), 1,
++     $                        WORK, 1, C( IOFFC ), LDC )
+                END IF
+ *
+             END IF
+diff --git a/SRC/pclarfc.f b/SRC/pclarfc.f
+index d6a2d3b..f84c493 100644
+--- SRC/pclarfc.f
++++ SRC/pclarfc.f
+@@ -242,7 +242,7 @@ SUBROUTINE PCLARFC( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+      $                   IOFFV, IPW, IROFF, IVCOL, IVROW, JJC, JJV, LDC,
+      $                   LDV, MYCOL, MYROW, MP, NCC, NCV, NPCOL, NPROW,
+      $                   NQ, RDEST
+-      COMPLEX            TAULOC
++      COMPLEX            TAULOC( 1 )
+ *     ..
+ *     .. External Subroutines ..
+       EXTERNAL           BLACS_GRIDINFO, CCOPY, CGEBR2D, CGEBS2D,
+@@ -336,17 +336,17 @@ SUBROUTINE PCLARFC( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                      CALL CGEBS2D( ICTXT, 'Columnwise', ' ', 1, 1,
+      $                             TAU( IIV ), 1 )
+-                     TAULOC = CONJG( TAU( IIV ) )
++                     TAULOC( 1 ) = CONJG( TAU( IIV ) )
+ *
+                   ELSE
+ *
+                      CALL CGEBR2D( ICTXT, 'Columnwise', ' ', 1, 1,
+      $                             TAULOC, 1, IVROW, MYCOL )
+-                     TAULOC = CONJG( TAULOC )
++                     TAULOC( 1 ) = CONJG( TAULOC( 1 ) )
+ *
+                   END IF
+ *
+-                  IF( TAULOC.NE.ZERO ) THEN
++                  IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                    w := sub( C )' * v
+ *
+@@ -364,8 +364,8 @@ SUBROUTINE PCLARFC( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+ *                    sub( C ) := sub( C ) - v * w'
+ *
+-                     CALL CGERC( MP, NQ, -TAULOC, WORK, 1, WORK( IPW ),
+-     $                           1, C( IOFFC ), LDC )
++                     CALL CGERC( MP, NQ, -TAULOC( 1 ), WORK, 1,
++     $                           WORK( IPW ), 1, C( IOFFC ), LDC )
+                   END IF
+ *
+                END IF
+@@ -380,9 +380,9 @@ SUBROUTINE PCLARFC( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                   IF( MYCOL.EQ.ICCOL ) THEN
+ *
+-                     TAULOC = CONJG( TAU( JJV ) )
++                     TAULOC( 1 ) = CONJG( TAU( JJV ) )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C )' * v
+ *
+@@ -399,7 +399,7 @@ SUBROUTINE PCLARFC( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+ *                       sub( C ) := sub( C ) - v * w'
+ *
+-                        CALL CGERC( MP, NQ, -TAULOC, V( IOFFV ), 1,
++                        CALL CGERC( MP, NQ, -TAULOC( 1 ), V( IOFFV ), 1,
+      $                              WORK, 1, C( IOFFC ), LDC )
+                      END IF
+ *
+@@ -422,9 +422,9 @@ SUBROUTINE PCLARFC( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+                      IPW = MP+1
+                      CALL CGERV2D( ICTXT, IPW, 1, WORK, IPW, MYROW,
+      $                             IVCOL )
+-                     TAULOC = CONJG( WORK( IPW ) )
++                     TAULOC( 1 ) = CONJG( WORK( IPW ) )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C )' * v
+ *
+@@ -442,7 +442,7 @@ SUBROUTINE PCLARFC( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+ *                       sub( C ) := sub( C ) - v * w'
+ *
+-                        CALL CGERC( MP, NQ, -TAULOC, WORK, 1,
++                        CALL CGERC( MP, NQ, -TAULOC( 1 ), WORK, 1,
+      $                              WORK( IPW ), 1, C( IOFFC ), LDC )
+                      END IF
+ *
+@@ -472,17 +472,17 @@ SUBROUTINE PCLARFC( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                   CALL CGEBS2D( ICTXT, 'Columnwise', ' ', 1, 1,
+      $                          TAU( IIV ), 1 )
+-                  TAULOC = CONJG( TAU( IIV ) )
++                  TAULOC( 1 ) = CONJG( TAU( IIV ) )
+ *
+                ELSE
+ *
+                   CALL CGEBR2D( ICTXT, 'Columnwise', ' ', 1, 1, TAULOC,
+      $                          1, IVROW, MYCOL )
+-                  TAULOC = CONJG( TAULOC )
++                  TAULOC( 1 ) = CONJG( TAULOC( 1 ) )
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C )' * v
+ *
+@@ -500,8 +500,8 @@ SUBROUTINE PCLARFC( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+ *                 sub( C ) := sub( C ) - v * w'
+ *
+-                  CALL CGERC( MP, NQ, -TAULOC, WORK, 1, WORK( IPW ), 1,
+-     $                        C( IOFFC ), LDC )
++                  CALL CGERC( MP, NQ, -TAULOC( 1 ), WORK, 1,
++     $                        WORK( IPW ), 1, C( IOFFC ), LDC )
+                END IF
+ *
+             ELSE
+@@ -516,18 +516,18 @@ SUBROUTINE PCLARFC( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+                   WORK(IPW) = TAU( JJV )
+                   CALL CGEBS2D( ICTXT, 'Rowwise', ROWBTOP, IPW, 1,
+      $                          WORK, IPW )
+-                  TAULOC = CONJG( TAU( JJV ) )
++                  TAULOC( 1 ) = CONJG( TAU( JJV ) )
+ *
+                ELSE
+ *
+                   IPW = MP+1
+                   CALL CGEBR2D( ICTXT, 'Rowwise', ROWBTOP, IPW, 1, WORK,
+      $                          IPW, MYROW, IVCOL )
+-                  TAULOC = CONJG( WORK( IPW ) )
++                  TAULOC( 1 ) = CONJG( WORK( IPW ) )
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C )' * v
+ *
+@@ -545,8 +545,8 @@ SUBROUTINE PCLARFC( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+ *                 sub( C ) := sub( C ) - v * w'
+ *
+-                  CALL CGERC( MP, NQ, -TAULOC, WORK, 1, WORK( IPW ), 1,
+-     $                        C( IOFFC ), LDC )
++                  CALL CGERC( MP, NQ, -TAULOC( 1 ), WORK, 1,
++     $                        WORK( IPW ), 1, C( IOFFC ), LDC )
+                END IF
+ *
+             END IF
+@@ -575,9 +575,9 @@ SUBROUTINE PCLARFC( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                   IF( MYROW.EQ.ICROW ) THEN
+ *
+-                     TAULOC = CONJG( TAU( IIV ) )
++                     TAULOC( 1 ) = CONJG( TAU( IIV ) )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C ) * v
+ *
+@@ -594,7 +594,7 @@ SUBROUTINE PCLARFC( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+ *                       sub( C ) := sub( C ) - w * v'
+ *
+-                        CALL CGERC( MP, NQ, -TAULOC, WORK, 1,
++                        CALL CGERC( MP, NQ, -TAULOC( 1 ), WORK, 1,
+      $                              V( IOFFV ), LDV, C( IOFFC ), LDC )
+                      END IF
+ *
+@@ -617,9 +617,9 @@ SUBROUTINE PCLARFC( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+                      IPW = NQ+1
+                      CALL CGERV2D( ICTXT, IPW, 1, WORK, IPW, IVROW,
+      $                             MYCOL )
+-                     TAULOC = CONJG( WORK( IPW ) )
++                     TAULOC( 1 ) = CONJG( WORK( IPW ) )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C ) * v
+ *
+@@ -637,8 +637,8 @@ SUBROUTINE PCLARFC( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+ *                       sub( C ) := sub( C ) - w * v'
+ *
+-                        CALL CGERC( MP, NQ, -TAULOC, WORK( IPW ), 1,
+-     $                              WORK, 1, C( IOFFC ), LDC )
++                        CALL CGERC( MP, NQ, -TAULOC( 1 ), WORK( IPW ),
++     $                              1, WORK, 1, C( IOFFC ), LDC )
+                      END IF
+ *
+                   END IF
+@@ -663,17 +663,17 @@ SUBROUTINE PCLARFC( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                      CALL CGEBS2D( ICTXT, 'Rowwise', ' ', 1, 1,
+      $                             TAU( JJV ), 1 )
+-                     TAULOC = CONJG( TAU( JJV ) )
++                     TAULOC( 1 ) = CONJG( TAU( JJV ) )
+ *
+                   ELSE
+ *
+                      CALL CGEBR2D( ICTXT, 'Rowwise', ' ', 1, 1, TAULOC,
+      $                             1, MYROW, IVCOL )
+-                     TAULOC = CONJG( TAULOC )
++                     TAULOC( 1 ) = CONJG( TAULOC( 1 ) )
+ *
+                   END IF
+ *
+-                  IF( TAULOC.NE.ZERO ) THEN
++                  IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                    w := sub( C ) * v
+ *
+@@ -691,8 +691,8 @@ SUBROUTINE PCLARFC( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+ *                    sub( C ) := sub( C ) - w * v'
+ *
+-                     CALL CGERC( MP, NQ, -TAULOC, WORK( IPW ), 1, WORK,
+-     $                           1, C( IOFFC ), LDC )
++                     CALL CGERC( MP, NQ, -TAULOC( 1 ), WORK( IPW ), 1,
++     $                           WORK, 1, C( IOFFC ), LDC )
+                   END IF
+ *
+                END IF
+@@ -716,18 +716,18 @@ SUBROUTINE PCLARFC( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+                   WORK(IPW) = TAU( IIV )
+                   CALL CGEBS2D( ICTXT, 'Columnwise', COLBTOP, IPW, 1,
+      $                          WORK, IPW )
+-                  TAULOC = CONJG( TAU( IIV ) )
++                  TAULOC( 1 ) = CONJG( TAU( IIV ) )
+ *
+                ELSE
+ *
+                   IPW = NQ+1
+                   CALL CGEBR2D( ICTXT, 'Columnwise', COLBTOP, IPW, 1,
+      $                          WORK, IPW, IVROW, MYCOL )
+-                  TAULOC = CONJG( WORK( IPW ) )
++                  TAULOC( 1 ) = CONJG( WORK( IPW ) )
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C ) * v
+ *
+@@ -745,8 +745,8 @@ SUBROUTINE PCLARFC( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+ *                 sub( C ) := sub( C ) - w * v'
+ *
+-                  CALL CGERC( MP, NQ, -TAULOC, WORK( IPW ), 1, WORK, 1,
+-     $                        C( IOFFC ), LDC )
++                  CALL CGERC( MP, NQ, -TAULOC( 1 ), WORK( IPW ), 1,
++     $                        WORK, 1, C( IOFFC ), LDC )
+                END IF
+ *
+             ELSE
+@@ -765,17 +765,17 @@ SUBROUTINE PCLARFC( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                   CALL CGEBS2D( ICTXT, 'Rowwise', ' ', 1, 1, TAU( JJV ),
+      $                          1 )
+-                  TAULOC = CONJG( TAU( JJV ) )
++                  TAULOC( 1 ) = CONJG( TAU( JJV ) )
+ *
+                ELSE
+ *
+                   CALL CGEBR2D( ICTXT, 'Rowwise', ' ', 1, 1, TAULOC, 1,
+      $                          MYROW, IVCOL )
+-                  TAULOC = CONJG( TAULOC )
++                  TAULOC( 1 ) = CONJG( TAULOC( 1 ) )
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C ) * v
+ *
+@@ -793,8 +793,8 @@ SUBROUTINE PCLARFC( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+ *                 sub( C ) := sub( C ) - w * v'
+ *
+-                  CALL CGERC( MP, NQ, -TAULOC, WORK( IPW ), 1, WORK, 1,
+-     $                        C( IOFFC ), LDC )
++                  CALL CGERC( MP, NQ, -TAULOC( 1 ), WORK( IPW ), 1,
++     $                        WORK, 1, C( IOFFC ), LDC )
+                END IF
+ *
+             END IF
+diff --git a/SRC/pclarz.f b/SRC/pclarz.f
+index 9ba730c..673860a 100644
+--- SRC/pclarz.f
++++ SRC/pclarz.f
+@@ -251,7 +251,7 @@ SUBROUTINE PCLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+      $                   IVCOL, IVROW, JJC1, JJC2, JJV, LDC, LDV, MPC2,
+      $                   MPV, MYCOL, MYROW, NCC, NCV, NPCOL, NPROW,
+      $                   NQC2, NQV, RDEST
+-      COMPLEX            TAULOC
++      COMPLEX            TAULOC( 1 )
+ *     ..
+ *     .. External Subroutines ..
+       EXTERNAL           BLACS_GRIDINFO, CAXPY, CCOPY, CGEBR2D,
+@@ -370,7 +370,7 @@ SUBROUTINE PCLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                      CALL CGEBS2D( ICTXT, 'Columnwise', ' ', 1, 1,
+      $                             TAU( IIV ), 1 )
+-                     TAULOC = TAU( IIV )
++                     TAULOC( 1 ) = TAU( IIV )
+ *
+                   ELSE
+ *
+@@ -379,7 +379,7 @@ SUBROUTINE PCLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                   END IF
+ *
+-                  IF( TAULOC.NE.ZERO ) THEN
++                  IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                    w := sub( C )' * v
+ *
+@@ -402,9 +402,9 @@ SUBROUTINE PCLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *                    sub( C ) := sub( C ) - v * w'
+ *
+                      IF( MYROW.EQ.ICROW1 )
+-     $                  CALL CAXPY( NQC2, -TAULOC, WORK( IPW ),
++     $                  CALL CAXPY( NQC2, -TAULOC( 1 ), WORK( IPW ),
+      $                              MAX( 1, NQC2 ), C( IOFFC1 ), LDC )
+-                     CALL CGERC( MPV, NQC2, -TAULOC, WORK, 1,
++                     CALL CGERC( MPV, NQC2, -TAULOC( 1 ), WORK, 1,
+      $                           WORK( IPW ), 1, C( IOFFC2 ), LDC )
+                   END IF
+ *
+@@ -420,9 +420,9 @@ SUBROUTINE PCLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                   IF( MYCOL.EQ.ICCOL2 ) THEN
+ *
+-                     TAULOC = TAU( JJV )
++                     TAULOC( 1 ) = TAU( JJV )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C )' * v
+ *
+@@ -445,11 +445,11 @@ SUBROUTINE PCLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *                       sub( C ) := sub( C ) - v * w'
+ *
+                         IF( MYROW.EQ.ICROW1 )
+-     $                     CALL CAXPY( NQC2, -TAULOC, WORK,
++     $                     CALL CAXPY( NQC2, -TAULOC( 1 ), WORK,
+      $                                 MAX( 1, NQC2 ), C( IOFFC1 ),
+      $                                 LDC )
+-                        CALL CGERC( MPV, NQC2, -TAULOC, V( IOFFV ), 1,
+-     $                              WORK, 1, C( IOFFC2 ), LDC )
++                        CALL CGERC( MPV, NQC2, -TAULOC( 1 ), V( IOFFV ),
++     $                              1, WORK, 1, C( IOFFC2 ), LDC )
+                      END IF
+ *
+                   END IF
+@@ -471,9 +471,9 @@ SUBROUTINE PCLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+                      IPW = MPV+1
+                      CALL CGERV2D( ICTXT, IPW, 1, WORK, IPW, MYROW,
+      $                             IVCOL )
+-                     TAULOC = WORK( IPW )
++                     TAULOC( 1 ) = WORK( IPW )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C )' * v
+ *
+@@ -496,10 +496,10 @@ SUBROUTINE PCLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *                       sub( C ) := sub( C ) - v * w'
+ *
+                         IF( MYROW.EQ.ICROW1 )
+-     $                     CALL CAXPY( NQC2, -TAULOC, WORK( IPW ),
++     $                     CALL CAXPY( NQC2, -TAULOC( 1 ), WORK( IPW ),
+      $                                 MAX( 1, NQC2 ), C( IOFFC1 ),
+      $                                 LDC )
+-                        CALL CGERC( MPV, NQC2, -TAULOC, WORK, 1,
++                        CALL CGERC( MPV, NQC2, -TAULOC( 1 ), WORK, 1,
+      $                              WORK( IPW ), 1, C( IOFFC2 ), LDC )
+                      END IF
+ *
+@@ -530,16 +530,16 @@ SUBROUTINE PCLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                   CALL CGEBS2D( ICTXT, 'Columnwise', ' ', 1, 1,
+      $                          TAU( IIV ), 1 )
+-                  TAULOC = TAU( IIV )
++                  TAULOC( 1 ) = TAU( IIV )
+ *
+                ELSE
+ *
+-                  CALL CGEBR2D( ICTXT, 'Columnwise', ' ', 1, 1, TAULOC,
+-     $                          1, IVROW, MYCOL )
++                  CALL CGEBR2D( ICTXT, 'Columnwise', ' ', 1, 1,
++     $                          TAULOC( 1 ), 1, IVROW, MYCOL )
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C )' * v
+ *
+@@ -562,10 +562,10 @@ SUBROUTINE PCLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *                 sub( C ) := sub( C ) - v * w'
+ *
+                   IF( MYROW.EQ.ICROW1 )
+-     $               CALL CAXPY( NQC2, -TAULOC, WORK( IPW ),
++     $               CALL CAXPY( NQC2, -TAULOC( 1 ), WORK( IPW ),
+      $                           MAX( 1, NQC2 ), C( IOFFC1 ), LDC )
+-                  CALL CGERC( MPV, NQC2, -TAULOC, WORK, 1, WORK( IPW ),
+-     $                        1, C( IOFFC2 ), LDC )
++                  CALL CGERC( MPV, NQC2, -TAULOC( 1 ), WORK, 1,
++     $                        WORK( IPW ), 1, C( IOFFC2 ), LDC )
+                END IF
+ *
+             ELSE
+@@ -580,18 +580,18 @@ SUBROUTINE PCLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+                   WORK( IPW ) = TAU( JJV )
+                   CALL CGEBS2D( ICTXT, 'Rowwise', ROWBTOP, IPW, 1,
+      $                          WORK, IPW )
+-                  TAULOC = TAU( JJV )
++                  TAULOC( 1 ) = TAU( JJV )
+ *
+                ELSE
+ *
+                   IPW = MPV+1
+                   CALL CGEBR2D( ICTXT, 'Rowwise', ROWBTOP, IPW, 1, WORK,
+      $                          IPW, MYROW, IVCOL )
+-                  TAULOC = WORK( IPW )
++                  TAULOC( 1 ) = WORK( IPW )
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C )' * v
+ *
+@@ -614,10 +614,10 @@ SUBROUTINE PCLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *                 sub( C ) := sub( C ) - v * w'
+ *
+                   IF( MYROW.EQ.ICROW1 )
+-     $               CALL CAXPY( NQC2, -TAULOC, WORK( IPW ),
++     $               CALL CAXPY( NQC2, -TAULOC( 1 ), WORK( IPW ),
+      $                           MAX( 1, NQC2 ), C( IOFFC1 ), LDC )
+-                  CALL CGERC( MPV, NQC2, -TAULOC, WORK, 1, WORK( IPW ),
+-     $                        1, C( IOFFC2 ), LDC )
++                  CALL CGERC( MPV, NQC2, -TAULOC( 1 ), WORK, 1,
++     $                        WORK( IPW ), 1, C( IOFFC2 ), LDC )
+                END IF
+ *
+             END IF
+@@ -646,9 +646,9 @@ SUBROUTINE PCLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                   IF( MYROW.EQ.ICROW2 ) THEN
+ *
+-                     TAULOC = TAU( IIV )
++                     TAULOC( 1 ) = TAU( IIV )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C ) * v
+ *
+@@ -669,13 +669,13 @@ SUBROUTINE PCLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+      $                               ICCOL2 )
+ *
+                         IF( MYCOL.EQ.ICCOL1 )
+-     $                     CALL CAXPY( MPC2, -TAULOC, WORK, 1,
++     $                     CALL CAXPY( MPC2, -TAULOC( 1 ), WORK, 1,
+      $                                 C( IOFFC1 ), 1 )
+ *
+ *                       sub( C ) := sub( C ) - w * v'
+ *
+                         IF( MPC2.GT.0 .AND. NQV.GT.0 )
+-     $                     CALL CGERC( MPC2, NQV, -TAULOC, WORK, 1,
++     $                     CALL CGERC( MPC2, NQV, -TAULOC( 1 ), WORK, 1,
+      $                                 V( IOFFV ), LDV, C( IOFFC2 ),
+      $                                 LDC )
+                      END IF
+@@ -699,9 +699,9 @@ SUBROUTINE PCLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+                      IPW = NQV+1
+                      CALL CGERV2D( ICTXT, IPW, 1, WORK, IPW, IVROW,
+      $                             MYCOL )
+-                     TAULOC = WORK( IPW )
++                     TAULOC( 1 ) = WORK( IPW )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C ) * v
+ *
+@@ -720,13 +720,14 @@ SUBROUTINE PCLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+      $                                WORK( IPW ), MAX( 1, MPC2 ),
+      $                                RDEST, ICCOL2 )
+                         IF( MYCOL.EQ.ICCOL1 )
+-     $                     CALL CAXPY( MPC2, -TAULOC, WORK( IPW ), 1,
+-     $                                 C( IOFFC1 ), 1 )
++     $                     CALL CAXPY( MPC2, -TAULOC( 1 ), WORK( IPW ),
++     $                                 1, C( IOFFC1 ), 1 )
+ *
+ *                       sub( C ) := sub( C ) - w * v'
+ *
+-                        CALL CGERC( MPC2, NQV, -TAULOC, WORK( IPW ), 1,
+-     $                              WORK, 1, C( IOFFC2 ), LDC )
++                        CALL CGERC( MPC2, NQV, -TAULOC( 1 ),
++     $                              WORK( IPW ), 1, WORK, 1,
++     $                              C( IOFFC2 ), LDC )
+                      END IF
+ *
+                   END IF
+@@ -751,16 +752,16 @@ SUBROUTINE PCLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                      CALL CGEBS2D( ICTXT, 'Rowwise', ' ', 1, 1,
+      $                             TAU( JJV ), 1 )
+-                     TAULOC = TAU( JJV )
++                     TAULOC( 1 ) = TAU( JJV )
+ *
+                   ELSE
+ *
+-                     CALL CGEBR2D( ICTXT, 'Rowwise', ' ', 1, 1, TAULOC,
+-     $                             1, MYROW, IVCOL )
++                     CALL CGEBR2D( ICTXT, 'Rowwise', ' ', 1, 1,
++     $                             TAULOC( 1 ), 1, MYROW, IVCOL )
+ *
+                   END IF
+ *
+-                  IF( TAULOC.NE.ZERO ) THEN
++                  IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                    w := sub( C ) * v
+ *
+@@ -779,13 +780,13 @@ SUBROUTINE PCLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+      $                             WORK( IPW ), MAX( 1, MPC2 ), RDEST,
+      $                             ICCOL2 )
+                      IF( MYCOL.EQ.ICCOL1 )
+-     $                  CALL CAXPY( MPC2, -TAULOC, WORK( IPW ), 1,
++     $                  CALL CAXPY( MPC2, -TAULOC( 1 ), WORK( IPW ), 1,
+      $                              C( IOFFC1 ), 1 )
+ *
+ *                    sub( C ) := sub( C ) - w * v'
+ *
+-                     CALL CGERC( MPC2, NQV, -TAULOC, WORK( IPW ), 1,
+-     $                           WORK, 1, C( IOFFC2 ), LDC )
++                     CALL CGERC( MPC2, NQV, -TAULOC( 1 ), WORK( IPW ),
++     $                           1, WORK, 1, C( IOFFC2 ), LDC )
+                   END IF
+ *
+                END IF
+@@ -809,18 +810,18 @@ SUBROUTINE PCLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+                   WORK( IPW ) = TAU( IIV )
+                   CALL CGEBS2D( ICTXT, 'Columnwise', COLBTOP, IPW, 1,
+      $                          WORK, IPW )
+-                  TAULOC = TAU( IIV )
++                  TAULOC( 1 ) = TAU( IIV )
+ *
+                ELSE
+ *
+                   IPW = NQV+1
+                   CALL CGEBR2D( ICTXT, 'Columnwise', COLBTOP, IPW, 1,
+      $                          WORK, IPW, IVROW, MYCOL )
+-                  TAULOC = WORK( IPW )
++                  TAULOC( 1 ) = WORK( IPW )
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C ) * v
+ *
+@@ -840,13 +841,13 @@ SUBROUTINE PCLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+      $                          WORK( IPW ), MAX( 1, MPC2 ), RDEST,
+      $                          ICCOL2 )
+                   IF( MYCOL.EQ.ICCOL1 )
+-     $               CALL CAXPY( MPC2, -TAULOC, WORK( IPW ), 1,
++     $               CALL CAXPY( MPC2, -TAULOC( 1 ), WORK( IPW ), 1,
+      $                           C( IOFFC1 ), 1 )
+ *
+ *                 sub( C ) := sub( C ) - w * v'
+ *
+-                  CALL CGERC( MPC2, NQV, -TAULOC, WORK( IPW ), 1, WORK,
+-     $                        1, C( IOFFC2 ), LDC )
++                  CALL CGERC( MPC2, NQV, -TAULOC( 1 ), WORK( IPW ), 1,
++     $                        WORK, 1, C( IOFFC2 ), LDC )
+                END IF
+ *
+             ELSE
+@@ -865,7 +866,7 @@ SUBROUTINE PCLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                   CALL CGEBS2D( ICTXT, 'Rowwise', ' ', 1, 1, TAU( JJV ),
+      $                          1 )
+-                  TAULOC = TAU( JJV )
++                  TAULOC( 1 ) = TAU( JJV )
+ *
+                ELSE
+ *
+@@ -874,7 +875,7 @@ SUBROUTINE PCLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C ) * v
+ *
+@@ -893,13 +894,13 @@ SUBROUTINE PCLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+      $                          WORK( IPW ), MAX( 1, MPC2 ), RDEST,
+      $                          ICCOL2 )
+                   IF( MYCOL.EQ.ICCOL1 )
+-     $               CALL CAXPY( MPC2, -TAULOC, WORK( IPW ), 1,
++     $               CALL CAXPY( MPC2, -TAULOC( 1 ), WORK( IPW ), 1,
+      $                           C( IOFFC1 ), 1 )
+ *
+ *                 sub( C ) := sub( C ) - w * v'
+ *
+-                  CALL CGERC( MPC2, NQV, -TAULOC, WORK( IPW ), 1, WORK,
+-     $                        1, C( IOFFC2 ), LDC )
++                  CALL CGERC( MPC2, NQV, -TAULOC( 1 ), WORK( IPW ), 1,
++     $                        WORK, 1, C( IOFFC2 ), LDC )
+                END IF
+ *
+             END IF
+diff --git a/SRC/pclarzc.f b/SRC/pclarzc.f
+index f1bc21e..b6d3b6d 100644
+--- SRC/pclarzc.f
++++ SRC/pclarzc.f
+@@ -251,7 +251,7 @@ SUBROUTINE PCLARZC( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+      $                   IVCOL, IVROW, JJC1, JJC2, JJV, LDC, LDV, MPC2,
+      $                   MPV, MYCOL, MYROW, NCC, NCV, NPCOL, NPROW,
+      $                   NQC2, NQV, RDEST
+-      COMPLEX            TAULOC
++      COMPLEX            TAULOC( 1 )
+ *     ..
+ *     .. External Subroutines ..
+       EXTERNAL           BLACS_GRIDINFO, CAXPY, CCOPY, CGEBR2D,
+@@ -370,17 +370,17 @@ SUBROUTINE PCLARZC( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                      CALL CGEBS2D( ICTXT, 'Columnwise', ' ', 1, 1,
+      $                             TAU( IIV ), 1 )
+-                     TAULOC = CONJG( TAU( IIV ) )
++                     TAULOC( 1 ) = CONJG( TAU( IIV ) )
+ *
+                   ELSE
+ *
+                      CALL CGEBR2D( ICTXT, 'Columnwise', ' ', 1, 1,
+      $                             TAULOC, 1, IVROW, MYCOL )
+-                     TAULOC = CONJG( TAULOC )
++                     TAULOC( 1 ) = CONJG( TAULOC( 1 ) )
+ *
+                   END IF
+ *
+-                  IF( TAULOC.NE.ZERO ) THEN
++                  IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                    w := sub( C )' * v
+ *
+@@ -403,9 +403,9 @@ SUBROUTINE PCLARZC( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *                    sub( C ) := sub( C ) - v * w'
+ *
+                      IF( MYROW.EQ.ICROW1 )
+-     $                  CALL CAXPY( NQC2, -TAULOC, WORK( IPW ),
++     $                  CALL CAXPY( NQC2, -TAULOC( 1 ), WORK( IPW ),
+      $                              MAX( 1, NQC2 ), C( IOFFC1 ), LDC )
+-                     CALL CGERC( MPV, NQC2, -TAULOC, WORK, 1,
++                     CALL CGERC( MPV, NQC2, -TAULOC( 1 ), WORK, 1,
+      $                           WORK( IPW ), 1, C( IOFFC2 ), LDC )
+                   END IF
+ *
+@@ -421,9 +421,9 @@ SUBROUTINE PCLARZC( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                   IF( MYCOL.EQ.ICCOL2 ) THEN
+ *
+-                     TAULOC = CONJG( TAU( JJV ) )
++                     TAULOC( 1 ) = CONJG( TAU( JJV ) )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C )' * v
+ *
+@@ -446,11 +446,11 @@ SUBROUTINE PCLARZC( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *                       sub( C ) := sub( C ) - v * w'
+ *
+                         IF( MYROW.EQ.ICROW1 )
+-     $                     CALL CAXPY( NQC2, -TAULOC, WORK,
++     $                     CALL CAXPY( NQC2, -TAULOC( 1 ), WORK,
+      $                                 MAX( 1, NQC2 ), C( IOFFC1 ),
+      $                                 LDC )
+-                        CALL CGERC( MPV, NQC2, -TAULOC, V( IOFFV ), 1,
+-     $                              WORK, 1, C( IOFFC2 ), LDC )
++                        CALL CGERC( MPV, NQC2, -TAULOC( 1 ), V( IOFFV ),
++     $                              1, WORK, 1, C( IOFFC2 ), LDC )
+                      END IF
+ *
+                   END IF
+@@ -472,9 +472,9 @@ SUBROUTINE PCLARZC( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+                      IPW = MPV+1
+                      CALL CGERV2D( ICTXT, IPW, 1, WORK, IPW, MYROW,
+      $                             IVCOL )
+-                     TAULOC = CONJG( WORK( IPW ) )
++                     TAULOC( 1 ) = CONJG( WORK( IPW ) )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C )' * v
+ *
+@@ -497,10 +497,10 @@ SUBROUTINE PCLARZC( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *                       sub( C ) := sub( C ) - v * w'
+ *
+                         IF( MYROW.EQ.ICROW1 )
+-     $                     CALL CAXPY( NQC2, -TAULOC, WORK( IPW ),
++     $                     CALL CAXPY( NQC2, -TAULOC( 1 ), WORK( IPW ),
+      $                                 MAX( 1, NQC2 ), C( IOFFC1 ),
+      $                                 LDC )
+-                        CALL CGERC( MPV, NQC2, -TAULOC, WORK, 1,
++                        CALL CGERC( MPV, NQC2, -TAULOC( 1 ), WORK, 1,
+      $                              WORK( IPW ), 1, C( IOFFC2 ), LDC )
+                      END IF
+ *
+@@ -531,17 +531,17 @@ SUBROUTINE PCLARZC( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                   CALL CGEBS2D( ICTXT, 'Columnwise', ' ', 1, 1,
+      $                          TAU( IIV ), 1 )
+-                  TAULOC = CONJG( TAU( IIV ) )
++                  TAULOC( 1 ) = CONJG( TAU( IIV ) )
+ *
+                ELSE
+ *
+                   CALL CGEBR2D( ICTXT, 'Columnwise', ' ', 1, 1, TAULOC,
+      $                          1, IVROW, MYCOL )
+-                  TAULOC = CONJG( TAULOC )
++                  TAULOC( 1 ) = CONJG( TAULOC( 1 ) )
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C )' * v
+ *
+@@ -564,10 +564,10 @@ SUBROUTINE PCLARZC( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *                 sub( C ) := sub( C ) - v * w'
+ *
+                   IF( MYROW.EQ.ICROW1 )
+-     $               CALL CAXPY( NQC2, -TAULOC, WORK( IPW ),
++     $               CALL CAXPY( NQC2, -TAULOC( 1 ), WORK( IPW ),
+      $                           MAX( 1, NQC2 ), C( IOFFC1 ), LDC )
+-                  CALL CGERC( MPV, NQC2, -TAULOC, WORK, 1, WORK( IPW ),
+-     $                        1, C( IOFFC2 ), LDC )
++                  CALL CGERC( MPV, NQC2, -TAULOC( 1 ), WORK, 1,
++     $                        WORK( IPW ), 1, C( IOFFC2 ), LDC )
+                END IF
+ *
+             ELSE
+@@ -582,18 +582,18 @@ SUBROUTINE PCLARZC( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+                   WORK( IPW ) = TAU( JJV )
+                   CALL CGEBS2D( ICTXT, 'Rowwise', ROWBTOP, IPW, 1,
+      $                          WORK, IPW )
+-                  TAULOC = CONJG( TAU( JJV ) )
++                  TAULOC( 1 ) = CONJG( TAU( JJV ) )
+ *
+                ELSE
+ *
+                   IPW = MPV+1
+                   CALL CGEBR2D( ICTXT, 'Rowwise', ROWBTOP, IPW, 1, WORK,
+      $                          IPW, MYROW, IVCOL )
+-                  TAULOC = CONJG( WORK( IPW ) )
++                  TAULOC( 1 ) = CONJG( WORK( IPW ) )
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C )' * v
+ *
+@@ -616,10 +616,10 @@ SUBROUTINE PCLARZC( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *                 sub( C ) := sub( C ) - v * w'
+ *
+                   IF( MYROW.EQ.ICROW1 )
+-     $               CALL CAXPY( NQC2, -TAULOC, WORK( IPW ),
++     $               CALL CAXPY( NQC2, -TAULOC( 1 ), WORK( IPW ),
+      $                           MAX( 1, NQC2 ), C( IOFFC1 ), LDC )
+-                  CALL CGERC( MPV, NQC2, -TAULOC, WORK, 1, WORK( IPW ),
+-     $                        1, C( IOFFC2 ), LDC )
++                  CALL CGERC( MPV, NQC2, -TAULOC( 1 ), WORK, 1,
++     $                        WORK( IPW ), 1, C( IOFFC2 ), LDC )
+                END IF
+ *
+             END IF
+@@ -648,9 +648,9 @@ SUBROUTINE PCLARZC( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                   IF( MYROW.EQ.ICROW2 ) THEN
+ *
+-                     TAULOC = CONJG( TAU( IIV ) )
++                     TAULOC( 1 ) = CONJG( TAU( IIV ) )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C ) * v
+ *
+@@ -671,12 +671,12 @@ SUBROUTINE PCLARZC( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+      $                               ICCOL2 )
+ *
+                         IF( MYCOL.EQ.ICCOL1 )
+-     $                     CALL CAXPY( MPC2, -TAULOC, WORK, 1,
++     $                     CALL CAXPY( MPC2, -TAULOC( 1 ), WORK, 1,
+      $                                 C( IOFFC1 ), 1 )
+ *
+ *                       sub( C ) := sub( C ) - w * v'
+ *
+-                        CALL CGERC( MPC2, NQV, -TAULOC, WORK, 1,
++                        CALL CGERC( MPC2, NQV, -TAULOC( 1 ), WORK, 1,
+      $                              V( IOFFV ), LDV, C( IOFFC2 ), LDC )
+                      END IF
+ *
+@@ -699,9 +699,9 @@ SUBROUTINE PCLARZC( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+                      IPW = NQV+1
+                      CALL CGERV2D( ICTXT, IPW, 1, WORK, IPW, IVROW,
+      $                             MYCOL )
+-                     TAULOC = CONJG( WORK( IPW ) )
++                     TAULOC( 1 ) = CONJG( WORK( IPW ) )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C ) * v
+ *
+@@ -720,13 +720,14 @@ SUBROUTINE PCLARZC( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+      $                                WORK( IPW ), MAX( 1, MPC2 ),
+      $                                RDEST, ICCOL2 )
+                         IF( MYCOL.EQ.ICCOL1 )
+-     $                     CALL CAXPY( MPC2, -TAULOC, WORK( IPW ), 1,
+-     $                                 C( IOFFC1 ), 1 )
++     $                     CALL CAXPY( MPC2, -TAULOC( 1 ), WORK( IPW ),
++     $                                 1, C( IOFFC1 ), 1 )
+ *
+ *                       sub( C ) := sub( C ) - w * v'
+ *
+-                        CALL CGERC( MPC2, NQV, -TAULOC, WORK( IPW ), 1,
+-     $                              WORK, 1, C( IOFFC2 ), LDC )
++                        CALL CGERC( MPC2, NQV, -TAULOC( 1 ),
++     $                              WORK( IPW ), 1, WORK, 1,
++     $                              C( IOFFC2 ), LDC )
+                      END IF
+ *
+                   END IF
+@@ -751,17 +752,17 @@ SUBROUTINE PCLARZC( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                      CALL CGEBS2D( ICTXT, 'Rowwise', ' ', 1, 1,
+      $                             TAU( JJV ), 1 )
+-                     TAULOC = CONJG( TAU( JJV ) )
++                     TAULOC( 1 ) = CONJG( TAU( JJV ) )
+ *
+                   ELSE
+ *
+                      CALL CGEBR2D( ICTXT, 'Rowwise', ' ', 1, 1, TAULOC,
+      $                             1, MYROW, IVCOL )
+-                     TAULOC = CONJG( TAULOC )
++                     TAULOC( 1 ) = CONJG( TAULOC( 1 ) )
+ *
+                   END IF
+ *
+-                  IF( TAULOC.NE.ZERO ) THEN
++                  IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                    w := sub( C ) * v
+ *
+@@ -780,13 +781,13 @@ SUBROUTINE PCLARZC( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+      $                             WORK( IPW ), MAX( 1, MPC2 ), RDEST,
+      $                             ICCOL2 )
+                      IF( MYCOL.EQ.ICCOL1 )
+-     $                  CALL CAXPY( MPC2, -TAULOC, WORK( IPW ), 1,
++     $                  CALL CAXPY( MPC2, -TAULOC( 1 ), WORK( IPW ), 1,
+      $                              C( IOFFC1 ), 1 )
+ *
+ *                    sub( C ) := sub( C ) - w * v'
+ *
+-                     CALL CGERC( MPC2, NQV, -TAULOC, WORK( IPW ), 1,
+-     $                           WORK, 1, C( IOFFC2 ), LDC )
++                     CALL CGERC( MPC2, NQV, -TAULOC( 1 ), WORK( IPW ),
++     $                           1, WORK, 1, C( IOFFC2 ), LDC )
+                   END IF
+ *
+                END IF
+@@ -810,18 +811,18 @@ SUBROUTINE PCLARZC( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+                   WORK( IPW ) = TAU( IIV )
+                   CALL CGEBS2D( ICTXT, 'Columnwise', COLBTOP, IPW, 1,
+      $                          WORK, IPW )
+-                  TAULOC = CONJG( TAU( IIV ) )
++                  TAULOC( 1 ) = CONJG( TAU( IIV ) )
+ *
+                ELSE
+ *
+                   IPW = NQV+1
+                   CALL CGEBR2D( ICTXT, 'Columnwise', COLBTOP, IPW, 1,
+      $                          WORK, IPW, IVROW, MYCOL )
+-                  TAULOC = CONJG( WORK( IPW ) )
++                  TAULOC( 1 ) = CONJG( WORK( IPW ) )
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C ) * v
+ *
+@@ -841,13 +842,13 @@ SUBROUTINE PCLARZC( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+      $                          WORK( IPW ), MAX( 1, MPC2 ), RDEST,
+      $                          ICCOL2 )
+                   IF( MYCOL.EQ.ICCOL1 )
+-     $               CALL CAXPY( MPC2, -TAULOC, WORK( IPW ), 1,
++     $               CALL CAXPY( MPC2, -TAULOC( 1 ), WORK( IPW ), 1,
+      $                           C( IOFFC1 ), 1 )
+ *
+ *                 sub( C ) := sub( C ) - w * v'
+ *
+-                  CALL CGERC( MPC2, NQV, -TAULOC, WORK( IPW ), 1, WORK,
+-     $                        1, C( IOFFC2 ), LDC )
++                  CALL CGERC( MPC2, NQV, -TAULOC( 1 ), WORK( IPW ), 1,
++     $                        WORK, 1, C( IOFFC2 ), LDC )
+                END IF
+ *
+             ELSE
+@@ -866,17 +867,17 @@ SUBROUTINE PCLARZC( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                   CALL CGEBS2D( ICTXT, 'Rowwise', ' ', 1, 1, TAU( JJV ),
+      $                          1 )
+-                  TAULOC = CONJG( TAU( JJV ) )
++                  TAULOC( 1 ) = CONJG( TAU( JJV ) )
+ *
+                ELSE
+ *
+-                  CALL CGEBR2D( ICTXT, 'Rowwise', ' ', 1, 1, TAULOC, 1,
+-     $                          MYROW, IVCOL )
+-                  TAULOC = CONJG( TAULOC )
++                  CALL CGEBR2D( ICTXT, 'Rowwise', ' ', 1, 1,
++     $                          TAULOC( 1 ), 1, MYROW, IVCOL )
++                  TAULOC( 1 ) = CONJG( TAULOC( 1 ) )
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C ) * v
+ *
+@@ -895,13 +896,13 @@ SUBROUTINE PCLARZC( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+      $                          WORK( IPW ), MAX( 1, MPC2 ), RDEST,
+      $                          ICCOL2 )
+                   IF( MYCOL.EQ.ICCOL1 )
+-     $               CALL CAXPY( MPC2, -TAULOC, WORK( IPW ), 1,
++     $               CALL CAXPY( MPC2, -TAULOC( 1 ), WORK( IPW ), 1,
+      $                           C( IOFFC1 ), 1 )
+ *
+ *                 sub( C ) := sub( C ) - w * v'
+ *
+-                  CALL CGERC( MPC2, NQV, -TAULOC, WORK( IPW ), 1, WORK,
+-     $                        1, C( IOFFC2 ), LDC )
++                  CALL CGERC( MPC2, NQV, -TAULOC( 1 ), WORK( IPW ), 1,
++     $                        WORK, 1, C( IOFFC2 ), LDC )
+                END IF
+ *
+             END IF
+diff --git a/SRC/pclattrs.f b/SRC/pclattrs.f
+index c744aea..0d12a8b 100644
+--- SRC/pclattrs.f
++++ SRC/pclattrs.f
+@@ -271,7 +271,8 @@ SUBROUTINE PCLATTRS( UPLO, TRANS, DIAG, NORMIN, N, A, IA, JA,
+      $                   JINC, JLAST, LDA, LDX, MB, MYCOL, MYROW, NB,
+      $                   NPCOL, NPROW, RSRC
+       REAL               BIGNUM, GROW, REC, SMLNUM, TJJ, TMAX, TSCAL,
+-     $                   XBND, XJ, XMAX
++     $                   XBND, XJ
++      REAL               XMAX( 1 )
+       COMPLEX            CSUMJ, TJJS, USCAL, XJTMP, ZDUM
+ *     ..
+ *     .. External Functions ..
+@@ -391,11 +392,11 @@ SUBROUTINE PCLATTRS( UPLO, TRANS, DIAG, NORMIN, N, A, IA, JA,
+ *     Compute a bound on the computed solution vector to see if the
+ *     Level 2 PBLAS routine PCTRSV can be used.
+ *
+-      XMAX = ZERO
++      XMAX( 1 ) = ZERO
+       CALL PCAMAX( N, ZDUM, IMAX, X, IX, JX, DESCX, 1 )
+-      XMAX = CABS2( ZDUM )
++      XMAX( 1 ) = CABS2( ZDUM )
+       CALL SGSUM2D( CONTXT, 'Row', ' ', 1, 1, XMAX, 1, -1, -1 )
+-      XBND = XMAX
++      XBND = XMAX( 1 )
+ *
+       IF( NOTRAN ) THEN
+ *
+@@ -590,16 +591,16 @@ SUBROUTINE PCLATTRS( UPLO, TRANS, DIAG, NORMIN, N, A, IA, JA,
+ *
+ *        Use a Level 1 PBLAS solve, scaling intermediate results.
+ *
+-         IF( XMAX.GT.BIGNUM*HALF ) THEN
++         IF( XMAX( 1 ).GT.BIGNUM*HALF ) THEN
+ *
+ *           Scale X so that its components are less than or equal to
+ *           BIGNUM in absolute value.
+ *
+-            SCALE = ( BIGNUM*HALF ) / XMAX
++            SCALE = ( BIGNUM*HALF ) / XMAX( 1 )
+             CALL PCSSCAL( N, SCALE, X, IX, JX, DESCX, 1 )
+-            XMAX = BIGNUM
++            XMAX( 1 ) = BIGNUM
+          ELSE
+-            XMAX = XMAX*TWO
++            XMAX( 1 ) = XMAX( 1 )*TWO
+          END IF
+ *
+          IF( NOTRAN ) THEN
+@@ -651,7 +652,7 @@ SUBROUTINE PCLATTRS( UPLO, TRANS, DIAG, NORMIN, N, A, IA, JA,
+                         CALL PCSSCAL( N, REC, X, IX, JX, DESCX, 1 )
+                         XJTMP = XJTMP*REC
+                         SCALE = SCALE*REC
+-                        XMAX = XMAX*REC
++                        XMAX( 1 ) = XMAX( 1 )*REC
+                      END IF
+                   END IF
+ *                 X( J ) = CLADIV( X( J ), TJJS )
+@@ -682,7 +683,7 @@ SUBROUTINE PCLATTRS( UPLO, TRANS, DIAG, NORMIN, N, A, IA, JA,
+                      CALL PCSSCAL( N, REC, X, IX, JX, DESCX, 1 )
+                      XJTMP = XJTMP*REC
+                      SCALE = SCALE*REC
+-                     XMAX = XMAX*REC
++                     XMAX( 1 ) = XMAX( 1 )*REC
+                   END IF
+ *                 X( J ) = CLADIV( X( J ), TJJS )
+ *                 XJ = CABS1( X( J ) )
+@@ -706,7 +707,7 @@ SUBROUTINE PCLATTRS( UPLO, TRANS, DIAG, NORMIN, N, A, IA, JA,
+                   XJTMP = CONE
+                   XJ = ONE
+                   SCALE = ZERO
+-                  XMAX = ZERO
++                  XMAX( 1 ) = ZERO
+                END IF
+    90          CONTINUE
+ *
+@@ -715,7 +716,7 @@ SUBROUTINE PCLATTRS( UPLO, TRANS, DIAG, NORMIN, N, A, IA, JA,
+ *
+                IF( XJ.GT.ONE ) THEN
+                   REC = ONE / XJ
+-                  IF( CNORM( J ).GT.( BIGNUM-XMAX )*REC ) THEN
++                  IF( CNORM( J ).GT.( BIGNUM-XMAX( 1 ) )*REC ) THEN
+ *
+ *                    Scale x by 1/(2*abs(x(j))).
+ *
+@@ -724,7 +725,7 @@ SUBROUTINE PCLATTRS( UPLO, TRANS, DIAG, NORMIN, N, A, IA, JA,
+                      XJTMP = XJTMP*REC
+                      SCALE = SCALE*REC
+                   END IF
+-               ELSE IF( XJ*CNORM( J ).GT.( BIGNUM-XMAX ) ) THEN
++               ELSE IF( XJ*CNORM( J ).GT.( BIGNUM-XMAX( 1 ) ) ) THEN
+ *
+ *                 Scale x by 1/2.
+ *
+@@ -743,7 +744,7 @@ SUBROUTINE PCLATTRS( UPLO, TRANS, DIAG, NORMIN, N, A, IA, JA,
+                      CALL PCAXPY( J-1, ZDUM, A, IA, JA+J-1, DESCA, 1, X,
+      $                            IX, JX, DESCX, 1 )
+                      CALL PCAMAX( J-1, ZDUM, IMAX, X, IX, JX, DESCX, 1 )
+-                     XMAX = CABS1( ZDUM )
++                     XMAX( 1 ) = CABS1( ZDUM )
+                      CALL SGSUM2D( CONTXT, 'Row', ' ', 1, 1, XMAX, 1,
+      $                             -1, -1 )
+                   END IF
+@@ -757,7 +758,7 @@ SUBROUTINE PCLATTRS( UPLO, TRANS, DIAG, NORMIN, N, A, IA, JA,
+                      CALL PCAXPY( N-J, ZDUM, A, IA+J, JA+J-1, DESCA, 1,
+      $                            X, IX+J, JX, DESCX, 1 )
+                      CALL PCAMAX( N-J, ZDUM, I, X, IX+J, JX, DESCX, 1 )
+-                     XMAX = CABS1( ZDUM )
++                     XMAX( 1 ) = CABS1( ZDUM )
+                      CALL SGSUM2D( CONTXT, 'Row', ' ', 1, 1, XMAX, 1,
+      $                             -1, -1 )
+                   END IF
+@@ -785,7 +786,7 @@ SUBROUTINE PCLATTRS( UPLO, TRANS, DIAG, NORMIN, N, A, IA, JA,
+                END IF
+                XJ = CABS1( XJTMP )
+                USCAL = CMPLX( TSCAL )
+-               REC = ONE / MAX( XMAX, ONE )
++               REC = ONE / MAX( XMAX( 1 ), ONE )
+                IF( CNORM( J ).GT.( BIGNUM-XJ )*REC ) THEN
+ *
+ *                 If x(j) could overflow, scale x by 1/(2*XMAX).
+@@ -820,7 +821,7 @@ SUBROUTINE PCLATTRS( UPLO, TRANS, DIAG, NORMIN, N, A, IA, JA,
+                      CALL PCSSCAL( N, REC, X, IX, JX, DESCX, 1 )
+                      XJTMP = XJTMP*REC
+                      SCALE = SCALE*REC
+-                     XMAX = XMAX*REC
++                     XMAX( 1 ) = XMAX( 1 )*REC
+                   END IF
+                END IF
+ *
+@@ -924,7 +925,7 @@ SUBROUTINE PCLATTRS( UPLO, TRANS, DIAG, NORMIN, N, A, IA, JA,
+                            CALL PCSSCAL( N, REC, X, IX, JX, DESCX, 1 )
+                            XJTMP = XJTMP*REC
+                            SCALE = SCALE*REC
+-                           XMAX = XMAX*REC
++                           XMAX( 1 ) = XMAX( 1 )*REC
+                         END IF
+                      END IF
+ *                    X( J ) = CLADIV( X( J ), TJJS )
+@@ -945,7 +946,7 @@ SUBROUTINE PCLATTRS( UPLO, TRANS, DIAG, NORMIN, N, A, IA, JA,
+                         CALL PCSSCAL( N, REC, X, IX, JX, DESCX, 1 )
+                         XJTMP = XJTMP*REC
+                         SCALE = SCALE*REC
+-                        XMAX = XMAX*REC
++                        XMAX( 1 ) = XMAX( 1 )*REC
+                      END IF
+ *                    X( J ) = CLADIV( X( J ), TJJS )
+                      XJTMP = CLADIV( XJTMP, TJJS )
+@@ -966,7 +967,7 @@ SUBROUTINE PCLATTRS( UPLO, TRANS, DIAG, NORMIN, N, A, IA, JA,
+                      END IF
+                      XJTMP = CONE
+                      SCALE = ZERO
+-                     XMAX = ZERO
++                     XMAX( 1 ) = ZERO
+                   END IF
+   110             CONTINUE
+                ELSE
+@@ -981,7 +982,7 @@ SUBROUTINE PCLATTRS( UPLO, TRANS, DIAG, NORMIN, N, A, IA, JA,
+                      X( IROWX ) = XJTMP
+                   END IF
+                END IF
+-               XMAX = MAX( XMAX, CABS1( XJTMP ) )
++               XMAX( 1 ) = MAX( XMAX( 1 ), CABS1( XJTMP ) )
+   120       CONTINUE
+ *
+          ELSE
+@@ -1004,7 +1005,7 @@ SUBROUTINE PCLATTRS( UPLO, TRANS, DIAG, NORMIN, N, A, IA, JA,
+                END IF
+                XJ = CABS1( XJTMP )
+                USCAL = TSCAL
+-               REC = ONE / MAX( XMAX, ONE )
++               REC = ONE / MAX( XMAX( 1 ), ONE )
+                IF( CNORM( J ).GT.( BIGNUM-XJ )*REC ) THEN
+ *
+ *                 If x(j) could overflow, scale x by 1/(2*XMAX).
+@@ -1039,7 +1040,7 @@ SUBROUTINE PCLATTRS( UPLO, TRANS, DIAG, NORMIN, N, A, IA, JA,
+                      CALL PCSSCAL( N, REC, X, IX, JX, DESCX, 1 )
+                      XJTMP = XJTMP*REC
+                      SCALE = SCALE*REC
+-                     XMAX = XMAX*REC
++                     XMAX( 1 ) = XMAX( 1 )*REC
+                   END IF
+                END IF
+ *
+@@ -1145,7 +1146,7 @@ SUBROUTINE PCLATTRS( UPLO, TRANS, DIAG, NORMIN, N, A, IA, JA,
+                            CALL PCSSCAL( N, REC, X, IX, JX, DESCX, 1 )
+                            XJTMP = XJTMP*REC
+                            SCALE = SCALE*REC
+-                           XMAX = XMAX*REC
++                           XMAX( 1 ) = XMAX( 1 )*REC
+                         END IF
+                      END IF
+ *                    X( J ) = CLADIV( X( J ), TJJS )
+@@ -1164,7 +1165,7 @@ SUBROUTINE PCLATTRS( UPLO, TRANS, DIAG, NORMIN, N, A, IA, JA,
+                         CALL PCSSCAL( N, REC, X, IX, JX, DESCX, 1 )
+                         XJTMP = XJTMP*REC
+                         SCALE = SCALE*REC
+-                        XMAX = XMAX*REC
++                        XMAX( 1 ) = XMAX( 1 )*REC
+                      END IF
+ *                    X( J ) = CLADIV( X( J ), TJJS )
+                      XJTMP = CLADIV( XJTMP, TJJS )
+@@ -1181,7 +1182,7 @@ SUBROUTINE PCLATTRS( UPLO, TRANS, DIAG, NORMIN, N, A, IA, JA,
+      $                  X( IROWX ) = CONE
+                      XJTMP = CONE
+                      SCALE = ZERO
+-                     XMAX = ZERO
++                     XMAX( 1 ) = ZERO
+                   END IF
+   130             CONTINUE
+                ELSE
+@@ -1194,7 +1195,7 @@ SUBROUTINE PCLATTRS( UPLO, TRANS, DIAG, NORMIN, N, A, IA, JA,
+                   IF( ( MYROW.EQ.ITMP1X ) .AND. ( MYCOL.EQ.ITMP2X ) )
+      $               X( IROWX ) = XJTMP
+                END IF
+-               XMAX = MAX( XMAX, CABS1( XJTMP ) )
++               XMAX( 1 ) = MAX( XMAX( 1 ), CABS1( XJTMP ) )
+   140       CONTINUE
+          END IF
+          SCALE = SCALE / TSCAL
+diff --git a/SRC/pclawil.f b/SRC/pclawil.f
+index 24a49b9..b33b3b1 100644
+--- SRC/pclawil.f
++++ SRC/pclawil.f
+@@ -124,11 +124,10 @@ SUBROUTINE PCLAWIL( II, JJ, M, A, DESCA, H44, H33, H43H34, V )
+      $                   MODKM1, MYCOL, MYROW, NPCOL, NPROW, NUM, RIGHT,
+      $                   RSRC, UP
+       REAL               S
+-      COMPLEX            CDUM, H11, H12, H21, H22, H33S, H44S, V1, V2,
+-     $                   V3
++      COMPLEX            CDUM, H22, H33S, H44S, V1, V2
+ *     ..
+ *     .. Local Arrays ..
+-      COMPLEX            BUF( 4 )
++      COMPLEX            BUF( 4 ), V3( 1 ), H11( 1 ), H12( 1 ), H21( 1 )
+ *     ..
+ *     .. External Subroutines ..
+       EXTERNAL           BLACS_GRIDINFO, INFOG2L, CGERV2D, CGESD2D
+@@ -181,18 +180,18 @@ SUBROUTINE PCLAWIL( II, JJ, M, A, DESCA, H44, H33, H43H34, V )
+             IF( NPCOL.GT.1 ) THEN
+                CALL CGERV2D( CONTXT, 1, 1, V3, 1, MYROW, LEFT )
+             ELSE
+-               V3 = A( ( ICOL-2 )*LDA+IROW )
++               V3( 1 ) = A( ( ICOL-2 )*LDA+IROW )
+             END IF
+             IF( NUM.GT.1 ) THEN
+                CALL CGERV2D( CONTXT, 4, 1, BUF, 4, UP, LEFT )
+-               H11 = BUF( 1 )
+-               H21 = BUF( 2 )
+-               H12 = BUF( 3 )
++               H11( 1 ) = BUF( 1 )
++               H21( 1 ) = BUF( 2 )
++               H12( 1 ) = BUF( 3 )
+                H22 = BUF( 4 )
+             ELSE
+-               H11 = A( ( ICOL-3 )*LDA+IROW-2 )
+-               H21 = A( ( ICOL-3 )*LDA+IROW-1 )
+-               H12 = A( ( ICOL-2 )*LDA+IROW-2 )
++               H11( 1 ) = A( ( ICOL-3 )*LDA+IROW-2 )
++               H21( 1 ) = A( ( ICOL-3 )*LDA+IROW-1 )
++               H12( 1 ) = A( ( ICOL-2 )*LDA+IROW-2 )
+                H22 = A( ( ICOL-2 )*LDA+IROW-1 )
+             END IF
+          END IF
+@@ -223,22 +222,22 @@ SUBROUTINE PCLAWIL( II, JJ, M, A, DESCA, H44, H33, H43H34, V )
+             CALL INFOG2L( M+2, M+2, DESCA, NPROW, NPCOL, MYROW, MYCOL,
+      $                    IROW, ICOL, RSRC, JSRC )
+             IF( NUM.GT.1 ) THEN
+-               CALL CGERV2D( CONTXT, 1, 1, H11, 1, UP, LEFT )
++               CALL CGERV2D( CONTXT, 1, 1, H11( 1 ), 1, UP, LEFT )
+             ELSE
+-               H11 = A( ( ICOL-3 )*LDA+IROW-2 )
++               H11( 1 ) = A( ( ICOL-3 )*LDA+IROW-2 )
+             END IF
+             IF( NPROW.GT.1 ) THEN
+                CALL CGERV2D( CONTXT, 1, 1, H12, 1, UP, MYCOL )
+             ELSE
+-               H12 = A( ( ICOL-2 )*LDA+IROW-2 )
++               H12( 1 ) = A( ( ICOL-2 )*LDA+IROW-2 )
+             END IF
+             IF( NPCOL.GT.1 ) THEN
+-               CALL CGERV2D( CONTXT, 1, 1, H21, 1, MYROW, LEFT )
++               CALL CGERV2D( CONTXT, 1, 1, H21( 1 ), 1, MYROW, LEFT )
+             ELSE
+-               H21 = A( ( ICOL-3 )*LDA+IROW-1 )
++               H21( 1 ) = A( ( ICOL-3 )*LDA+IROW-1 )
+             END IF
+             H22 = A( ( ICOL-2 )*LDA+IROW-1 )
+-            V3 = A( ( ICOL-2 )*LDA+IROW )
++            V3( 1 ) = A( ( ICOL-2 )*LDA+IROW )
+          END IF
+       END IF
+       IF( ( MYROW.NE.II ) .OR. ( MYCOL.NE.JJ ) )
+@@ -247,24 +246,24 @@ SUBROUTINE PCLAWIL( II, JJ, M, A, DESCA, H44, H33, H43H34, V )
+       IF( MODKM1.GT.1 ) THEN
+          CALL INFOG2L( M+2, M+2, DESCA, NPROW, NPCOL, MYROW, MYCOL,
+      $                 IROW, ICOL, RSRC, JSRC )
+-         H11 = A( ( ICOL-3 )*LDA+IROW-2 )
+-         H21 = A( ( ICOL-3 )*LDA+IROW-1 )
+-         H12 = A( ( ICOL-2 )*LDA+IROW-2 )
++         H11( 1 ) = A( ( ICOL-3 )*LDA+IROW-2 )
++         H21( 1 ) = A( ( ICOL-3 )*LDA+IROW-1 )
++         H12( 1 ) = A( ( ICOL-2 )*LDA+IROW-2 )
+          H22 = A( ( ICOL-2 )*LDA+IROW-1 )
+-         V3 = A( ( ICOL-2 )*LDA+IROW )
++         V3( 1 ) = A( ( ICOL-2 )*LDA+IROW )
+       END IF
+ *
+-      H44S = H44 - H11
+-      H33S = H33 - H11
+-      V1 = ( H33S*H44S-H43H34 ) / H21 + H12
+-      V2 = H22 - H11 - H33S - H44S
+-      S = CABS1( V1 ) + CABS1( V2 ) + CABS1( V3 )
++      H44S = H44 - H11( 1 )
++      H33S = H33 - H11( 1 )
++      V1 = ( H33S*H44S-H43H34 ) / H21( 1 ) + H12( 1 )
++      V2 = H22 - H11( 1 ) - H33S - H44S
++      S = CABS1( V1 ) + CABS1( V2 ) + CABS1( V3( 1 ) )
+       V1 = V1 / S
+       V2 = V2 / S
+-      V3 = V3 / S
++      V3( 1 ) = V3( 1 ) / S
+       V( 1 ) = V1
+       V( 2 ) = V2
+-      V( 3 ) = V3
++      V( 3 ) = V3( 1 )
+ *
+       RETURN
+ *
+diff --git a/SRC/pctrevc.f b/SRC/pctrevc.f
+index d0a3043..bf6c52b 100644
+--- SRC/pctrevc.f
++++ SRC/pctrevc.f
+@@ -218,11 +218,12 @@ SUBROUTINE PCTREVC( SIDE, HOWMNY, SELECT, N, T, DESCT, VL, DESCVL,
+      $                   ITMP2, J, K, KI, LDT, LDVL, LDVR, LDW, MB,
+      $                   MYCOL, MYROW, NB, NPCOL, NPROW, RSRC
+       REAL               SELF
+-      REAL               OVFL, REMAXD, SCALE, SMIN, SMLNUM, ULP, UNFL
++      REAL               OVFL, REMAXD, SCALE, SMLNUM, ULP, UNFL
+       COMPLEX            CDUM, REMAXC, SHIFT
+ *     ..
+ *     .. Local Arrays ..
+       INTEGER            DESCW( DLEN_ )
++      REAL               SMIN( 1 )
+ *     ..
+ *     .. External Functions ..
+       LOGICAL            LSAME
+@@ -355,13 +356,13 @@ SUBROUTINE PCTREVC( SIDE, HOWMNY, SELECT, N, T, DESCT, VL, DESCVL,
+      $            GO TO 70
+             END IF
+ *
+-            SMIN = ZERO
++            SMIN( 1 ) = ZERO
+             SHIFT = CZERO
+             CALL INFOG2L( KI, KI, DESCT, NPROW, NPCOL, MYROW, MYCOL,
+      $                    IROW, ICOL, ITMP1, ITMP2 )
+             IF( ( MYROW.EQ.ITMP1 ) .AND. ( MYCOL.EQ.ITMP2 ) ) THEN
+                SHIFT = T( ( ICOL-1 )*LDT+IROW )
+-               SMIN = MAX( ULP*( CABS1( SHIFT ) ), SMLNUM )
++               SMIN( 1 ) = MAX( ULP*( CABS1( SHIFT ) ), SMLNUM )
+             END IF
+             CALL SGSUM2D( CONTXT, 'ALL', ' ', 1, 1, SMIN, 1, -1, -1 )
+             CALL CGSUM2D( CONTXT, 'ALL', ' ', 1, 1, SHIFT, 1, -1, -1 )
+@@ -396,8 +397,9 @@ SUBROUTINE PCTREVC( SIDE, HOWMNY, SELECT, N, T, DESCT, VL, DESCVL,
+                IF( ( MYROW.EQ.ITMP1 ) .AND. ( MYCOL.EQ.ITMP2 ) ) THEN
+                   T( ( ICOL-1 )*LDT+IROW ) = T( ( ICOL-1 )*LDT+IROW ) -
+      $               SHIFT
+-                  IF( CABS1( T( ( ICOL-1 )*LDT+IROW ) ).LT.SMIN ) THEN
+-                     T( ( ICOL-1 )*LDT+IROW ) = CMPLX( SMIN )
++                  IF( CABS1( T( ( ICOL-1 )*LDT+IROW ) ).LT.SMIN( 1 ) )
++     $            THEN
++                     T( ( ICOL-1 )*LDT+IROW ) = CMPLX( SMIN( 1 ) )
+                   END IF
+                END IF
+    50       CONTINUE
+@@ -467,13 +469,13 @@ SUBROUTINE PCTREVC( SIDE, HOWMNY, SELECT, N, T, DESCT, VL, DESCVL,
+      $            GO TO 110
+             END IF
+ *
+-            SMIN = ZERO
++            SMIN( 1 ) = ZERO
+             SHIFT = CZERO
+             CALL INFOG2L( KI, KI, DESCT, NPROW, NPCOL, MYROW, MYCOL,
+      $                    IROW, ICOL, ITMP1, ITMP2 )
+             IF( ( MYROW.EQ.ITMP1 ) .AND. ( MYCOL.EQ.ITMP2 ) ) THEN
+                SHIFT = T( ( ICOL-1 )*LDT+IROW )
+-               SMIN = MAX( ULP*( CABS1( SHIFT ) ), SMLNUM )
++               SMIN( 1 ) = MAX( ULP*( CABS1( SHIFT ) ), SMLNUM )
+             END IF
+             CALL SGSUM2D( CONTXT, 'ALL', ' ', 1, 1, SMIN, 1, -1, -1 )
+             CALL CGSUM2D( CONTXT, 'ALL', ' ', 1, 1, SHIFT, 1, -1, -1 )
+@@ -507,8 +509,8 @@ SUBROUTINE PCTREVC( SIDE, HOWMNY, SELECT, N, T, DESCT, VL, DESCVL,
+                IF( ( MYROW.EQ.ITMP1 ) .AND. ( MYCOL.EQ.ITMP2 ) ) THEN
+                   T( ( ICOL-1 )*LDT+IROW ) = T( ( ICOL-1 )*LDT+IROW ) -
+      $               SHIFT
+-                  IF( CABS1( T( ( ICOL-1 )*LDT+IROW ) ).LT.SMIN )
+-     $               T( ( ICOL-1 )*LDT+IROW ) = CMPLX( SMIN )
++                  IF( CABS1( T( ( ICOL-1 )*LDT+IROW ) ).LT.SMIN( 1 ) )
++     $               T( ( ICOL-1 )*LDT+IROW ) = CMPLX( SMIN( 1 ) )
+                END IF
+    90       CONTINUE
+ *
+diff --git a/SRC/pdhseqr.f b/SRC/pdhseqr.f
+index ffc3652..6e0f751 100644
+--- SRC/pdhseqr.f
++++ SRC/pdhseqr.f
+@@ -259,11 +259,12 @@ SUBROUTINE PDHSEQR( JOB, COMPZ, N, ILO, IHI, H, DESCH, WR, WI, Z,
+      $                   HRSRC4, HCSRC4, LIWKOPT
+       LOGICAL            INITZ, LQUERY, WANTT, WANTZ, PAIR, BORDER
+       DOUBLE PRECISION   TMP1, TMP2, TMP3, TMP4, DUM1, DUM2, DUM3,
+-     $                   DUM4, ELEM1, ELEM2, ELEM3, ELEM4,
++     $                   DUM4, ELEM1, ELEM4,
+      $                   CS, SN, ELEM5, TMP, LWKOPT
+ *     ..
+ *     .. Local Arrays ..
+       INTEGER            DESCH2( DLEN_ )
++      DOUBLE PRECISION   ELEM2( 1 ), ELEM3( 1 )
+ *     ..
+ *     .. External Functions ..
+       INTEGER            PILAENVX, NUMROC, ICEIL
+@@ -566,28 +567,28 @@ SUBROUTINE PDHSEQR( JOB, COMPZ, N, ILO, IHI, H, DESCH, WR, WI, Z,
+                   IF( MYROW.EQ.HRSRC1 .AND. MYCOL.EQ.HCSRC1 ) THEN
+                      ELEM1 = H((JLOC1-1)*LLDH+ILOC1)
+                      IF( K.LT.N ) THEN
+-                        ELEM3 = H((JLOC1-1)*LLDH+ILOC1+1)
++                        ELEM3( 1 ) = H((JLOC1-1)*LLDH+ILOC1+1)
+                      ELSE
+-                        ELEM3 = ZERO
++                        ELEM3( 1 ) = ZERO
+                      END IF
+-                     IF( ELEM3.NE.ZERO ) THEN
+-                        ELEM2 = H((JLOC1)*LLDH+ILOC1)
++                     IF( ELEM3( 1 ).NE.ZERO ) THEN
++                        ELEM2( 1 ) = H((JLOC1)*LLDH+ILOC1)
+                         ELEM4 = H((JLOC1)*LLDH+ILOC1+1)
+-                        CALL DLANV2( ELEM1, ELEM2, ELEM3, ELEM4,
+-     $                       WR( K ), WI( K ), WR( K+1 ), WI( K+1 ),
+-     $                       SN, CS )
++                        CALL DLANV2( ELEM1, ELEM2( 1 ), ELEM3( 1 ),
++     $                       ELEM4, WR( K ), WI( K ), WR( K+1 ),
++     $                       WI( K+1 ), SN, CS )
+                         PAIR = .TRUE.
+                      ELSE
+                         IF( K.GT.1 ) THEN
+                            TMP = H((JLOC1-2)*LLDH+ILOC1)
+                            IF( TMP.NE.ZERO ) THEN
+                               ELEM1 = H((JLOC1-2)*LLDH+ILOC1-1)
+-                              ELEM2 = H((JLOC1-1)*LLDH+ILOC1-1)
+-                              ELEM3 = H((JLOC1-2)*LLDH+ILOC1)
++                              ELEM2( 1 ) = H((JLOC1-1)*LLDH+ILOC1-1)
++                              ELEM3( 1 ) = H((JLOC1-2)*LLDH+ILOC1)
+                               ELEM4 = H((JLOC1-1)*LLDH+ILOC1)
+-                              CALL DLANV2( ELEM1, ELEM2, ELEM3,
+-     $                             ELEM4, WR( K-1 ), WI( K-1 ),
+-     $                             WR( K ), WI( K ), SN, CS )
++                              CALL DLANV2( ELEM1, ELEM2( 1 ),
++     $                             ELEM3( 1 ), ELEM4, WR( K-1 ),
++     $                             WI( K-1 ), WR( K ), WI( K ), SN, CS )
+                            ELSE
+                               WR( K ) = ELEM1
+                            END IF
+@@ -620,12 +621,12 @@ SUBROUTINE PDHSEQR( JOB, COMPZ, N, ILO, IHI, H, DESCH, WR, WI, Z,
+             CALL INFOG2L( K+1, K+1, DESCH, NPROW, NPCOL, MYROW, MYCOL,
+      $           ILOC4, JLOC4, HRSRC4, HCSRC4 )
+             IF( MYROW.EQ.HRSRC2 .AND. MYCOL.EQ.HCSRC2 ) THEN
+-               ELEM2 = H((JLOC2-1)*LLDH+ILOC2)
++               ELEM2( 1 ) = H((JLOC2-1)*LLDH+ILOC2)
+                IF( HRSRC1.NE.HRSRC2 .OR. HCSRC1.NE.HCSRC2 )
+      $            CALL DGESD2D( ICTXT, 1, 1, ELEM2, 1, HRSRC1, HCSRC1)
+             END IF
+             IF( MYROW.EQ.HRSRC3 .AND. MYCOL.EQ.HCSRC3 ) THEN
+-               ELEM3 = H((JLOC3-1)*LLDH+ILOC3)
++               ELEM3( 1 ) = H((JLOC3-1)*LLDH+ILOC3)
+                IF( HRSRC1.NE.HRSRC3 .OR. HCSRC1.NE.HCSRC3 )
+      $            CALL DGESD2D( ICTXT, 1, 1, ELEM3, 1, HRSRC1, HCSRC1)
+             END IF
+@@ -651,8 +652,9 @@ SUBROUTINE PDHSEQR( JOB, COMPZ, N, ILO, IHI, H, DESCH, WR, WI, Z,
+                ELEM5 = WORK(2)
+                IF( ELEM5.EQ.ZERO ) THEN
+                   IF( WR( K ).EQ.ZERO .AND. WI( K ).EQ.ZERO ) THEN
+-                     CALL DLANV2( ELEM1, ELEM2, ELEM3, ELEM4, WR( K ),
+-     $                    WI( K ), WR( K+1 ), WI( K+1 ), SN, CS )
++                     CALL DLANV2( ELEM1, ELEM2( 1 ), ELEM3( 1 ), ELEM4,
++     $                    WR( K ), WI( K ), WR( K+1 ), WI( K+1 ), SN,
++     $                    CS )
+                   ELSEIF( WR( K+1 ).EQ.ZERO .AND. WI( K+1 ).EQ.ZERO )
+      $                 THEN
+                      WR( K+1 ) = ELEM4
+diff --git a/SRC/pdlacon.f b/SRC/pdlacon.f
+index b625d97..74b9eab 100644
+--- SRC/pdlacon.f
++++ SRC/pdlacon.f
+@@ -160,10 +160,10 @@ SUBROUTINE PDLACON( N, V, IV, JV, DESCV, X, IX, JX, DESCX, ISGN,
+       INTEGER            I, ICTXT, IFLAG, IIVX, IMAXROW, IOFFVX, IROFF,
+      $                   ITER, IVXCOL, IVXROW, J, JLAST, JJVX, JUMP,
+      $                   K, MYCOL, MYROW, NP, NPCOL, NPROW
+-      DOUBLE PRECISION   ALTSGN, ESTOLD, JLMAX, TEMP, XMAX
++      DOUBLE PRECISION   ALTSGN, ESTOLD, JLMAX, XMAX
+ *     ..
+ *     .. Local Arrays ..
+-      DOUBLE PRECISION   WORK( 2 )
++      DOUBLE PRECISION   ESTWORK( 1 ), TEMP( 1 ), WORK( 2 )
+ *     ..
+ *     .. External Subroutines ..
+       EXTERNAL           BLACS_GRIDINFO, DCOPY, DGEBR2D, DGEBS2D,
+@@ -184,6 +184,7 @@ SUBROUTINE PDLACON( N, V, IV, JV, DESCV, X, IX, JX, DESCX, ISGN,
+ *
+ *     Get grid parameters.
+ *
++      ESTWORK( 1 ) = EST
+       ICTXT = DESCX( CTXT_ )
+       CALL BLACS_GRIDINFO( ICTXT, NPROW, NPCOL, MYROW, MYCOL )
+ *
+@@ -215,21 +216,21 @@ SUBROUTINE PDLACON( N, V, IV, JV, DESCV, X, IX, JX, DESCX, ISGN,
+       IF( N.EQ.1 ) THEN
+          IF( MYROW.EQ.IVXROW ) THEN
+             V( IOFFVX ) = X( IOFFVX )
+-            EST = ABS( V( IOFFVX ) )
+-            CALL DGEBS2D( ICTXT, 'Columnwise', ' ', 1, 1, EST, 1 )
++            ESTWORK( 1 ) = ABS( V( IOFFVX ) )
++            CALL DGEBS2D( ICTXT, 'Columnwise', ' ', 1, 1, ESTWORK, 1 )
+          ELSE
+-            CALL DGEBR2D( ICTXT, 'Columnwise', ' ', 1, 1, EST, 1,
++            CALL DGEBR2D( ICTXT, 'Columnwise', ' ', 1, 1, ESTWORK, 1,
+      $                    IVXROW, MYCOL )
+          END IF
+ *        ... QUIT
+          GO TO 150
+       END IF
+-      CALL PDASUM( N, EST, X, IX, JX, DESCX, 1 )
++      CALL PDASUM( N, ESTWORK( 1 ), X, IX, JX, DESCX, 1 )
+       IF( DESCX( M_ ).EQ.1 .AND. N.EQ.1 ) THEN
+          IF( MYROW.EQ.IVXROW ) THEN
+-            CALL DGEBS2D( ICTXT, 'Columnwise', ' ', 1, 1, EST, 1 )
++            CALL DGEBS2D( ICTXT, 'Columnwise', ' ', 1, 1, ESTWORK, 1 )
+          ELSE
+-            CALL DGEBR2D( ICTXT, 'Columnwise', ' ', 1, 1, EST, 1,
++            CALL DGEBR2D( ICTXT, 'Columnwise', ' ', 1, 1, ESTWORK, 1,
+      $                    IVXROW, MYCOL )
+          END IF
+       END IF
+@@ -281,13 +282,13 @@ SUBROUTINE PDLACON( N, V, IV, JV, DESCV, X, IX, JX, DESCX, ISGN,
+ *
+    70 CONTINUE
+       CALL DCOPY( NP, X( IOFFVX ), 1, V( IOFFVX ), 1 )
+-      ESTOLD = EST
+-      CALL PDASUM( N, EST, V, IV, JV, DESCV, 1 )
++      ESTOLD = ESTWORK( 1 )
++      CALL PDASUM( N, ESTWORK( 1 ), V, IV, JV, DESCV, 1 )
+       IF( DESCV( M_ ).EQ.1 .AND. N.EQ.1 ) THEN
+          IF( MYROW.EQ.IVXROW ) THEN
+-            CALL DGEBS2D( ICTXT, 'Columnwise', ' ', 1, 1, EST, 1 )
++            CALL DGEBS2D( ICTXT, 'Columnwise', ' ', 1, 1, ESTWORK, 1 )
+          ELSE
+-            CALL DGEBR2D( ICTXT, 'Columnwise', ' ', 1, 1, EST, 1,
++            CALL DGEBR2D( ICTXT, 'Columnwise', ' ', 1, 1, ESTWORK, 1,
+      $                    IVXROW, MYCOL )
+          END IF
+       END IF
+@@ -305,7 +306,7 @@ SUBROUTINE PDLACON( N, V, IV, JV, DESCV, X, IX, JX, DESCX, ISGN,
+ *     REPEATED SIGN VECTOR DETECTED, HENCE ALGORITHM HAS CONVERGED.
+ *     ALONG WITH IT, TEST FOR CYCLING.
+ *
+-      IF( IFLAG.EQ.0 .OR. EST.LE.ESTOLD )
++      IF( IFLAG.EQ.0 .OR. ESTWORK( 1 ).LE.ESTOLD )
+      $   GO TO 120
+ *
+       DO 100 I = IOFFVX, IOFFVX+NP-1
+@@ -361,7 +362,7 @@ SUBROUTINE PDLACON( N, V, IV, JV, DESCV, X, IX, JX, DESCX, ISGN,
+ *     X HAS BEEN OVERWRITTEN BY A*X
+ *
+   140 CONTINUE
+-      CALL PDASUM( N, TEMP, X, IX, JX, DESCX, 1 )
++      CALL PDASUM( N, TEMP( 1 ), X, IX, JX, DESCX, 1 )
+       IF( DESCX( M_ ).EQ.1 .AND. N.EQ.1 ) THEN
+          IF( MYROW.EQ.IVXROW ) THEN
+             CALL DGEBS2D( ICTXT, 'Columnwise', ' ', 1, 1, TEMP, 1 )
+@@ -370,15 +371,16 @@ SUBROUTINE PDLACON( N, V, IV, JV, DESCV, X, IX, JX, DESCX, ISGN,
+      $                    IVXROW, MYCOL )
+          END IF
+       END IF
+-      TEMP = TWO*( TEMP / DBLE( 3*N ) )
+-      IF( TEMP.GT.EST ) THEN
++      TEMP( 1 ) = TWO*( TEMP( 1 ) / DBLE( 3*N ) )
++      IF( TEMP( 1 ).GT.ESTWORK( 1 ) ) THEN
+          CALL DCOPY( NP, X( IOFFVX ), 1, V( IOFFVX ), 1 )
+-         EST = TEMP
++         ESTWORK( 1 ) = TEMP( 1 )
+       END IF
+ *
+   150 CONTINUE
+       KASE = 0
+ *
++      EST = ESTWORK( 1 )
+       RETURN
+ *
+ *     End of PDLACON
+diff --git a/SRC/pdlarf.f b/SRC/pdlarf.f
+index 29da1ac..41368d6 100644
+--- SRC/pdlarf.f
++++ SRC/pdlarf.f
+@@ -241,7 +241,7 @@ SUBROUTINE PDLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+      $                   IOFFV, IPW, IROFF, IVCOL, IVROW, JJC, JJV, LDC,
+      $                   LDV, MYCOL, MYROW, MP, NCC, NCV, NPCOL, NPROW,
+      $                   NQ, RDEST
+-      DOUBLE PRECISION   TAULOC
++      DOUBLE PRECISION   TAULOC( 1 )
+ *     ..
+ *     .. External Subroutines ..
+       EXTERNAL           BLACS_GRIDINFO, DCOPY, DGEBR2D, DGEBS2D,
+@@ -335,7 +335,7 @@ SUBROUTINE PDLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                      CALL DGEBS2D( ICTXT, 'Columnwise', ' ', 1, 1,
+      $                             TAU( IIV ), 1 )
+-                     TAULOC = TAU( IIV )
++                     TAULOC( 1 ) = TAU( IIV )
+ *
+                   ELSE
+ *
+@@ -344,7 +344,7 @@ SUBROUTINE PDLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                   END IF
+ *
+-                  IF( TAULOC.NE.ZERO ) THEN
++                  IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                    w := sub( C )' * v
+ *
+@@ -362,8 +362,8 @@ SUBROUTINE PDLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+ *                    sub( C ) := sub( C ) - v * w'
+ *
+-                     CALL DGER( MP, NQ, -TAULOC, WORK, 1, WORK( IPW ),
+-     $                          1, C( IOFFC ), LDC )
++                     CALL DGER( MP, NQ, -TAULOC( 1 ), WORK, 1,
++     $                          WORK( IPW ), 1, C( IOFFC ), LDC )
+                   END IF
+ *
+                END IF
+@@ -378,9 +378,9 @@ SUBROUTINE PDLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                   IF( MYCOL.EQ.ICCOL ) THEN
+ *
+-                     TAULOC = TAU( JJV )
++                     TAULOC( 1 ) = TAU( JJV )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C )' * v
+ *
+@@ -397,8 +397,8 @@ SUBROUTINE PDLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+ *                       sub( C ) := sub( C ) - v * w'
+ *
+-                        CALL DGER( MP, NQ, -TAULOC, V( IOFFV ), 1, WORK,
+-     $                             1, C( IOFFC ), LDC )
++                        CALL DGER( MP, NQ, -TAULOC( 1 ), V( IOFFV ), 1,
++     $                             WORK, 1, C( IOFFC ), LDC )
+                      END IF
+ *
+                   END IF
+@@ -420,9 +420,9 @@ SUBROUTINE PDLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+                      IPW = MP+1
+                      CALL DGERV2D( ICTXT, IPW, 1, WORK, IPW, MYROW,
+      $                             IVCOL )
+-                     TAULOC = WORK( IPW )
++                     TAULOC( 1 ) = WORK( IPW )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C )' * v
+ *
+@@ -440,7 +440,7 @@ SUBROUTINE PDLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+ *                       sub( C ) := sub( C ) - v * w'
+ *
+-                        CALL DGER( MP, NQ, -TAULOC, WORK, 1,
++                        CALL DGER( MP, NQ, -TAULOC( 1 ), WORK, 1,
+      $                             WORK( IPW ), 1, C( IOFFC ), LDC )
+                      END IF
+ *
+@@ -470,7 +470,7 @@ SUBROUTINE PDLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                   CALL DGEBS2D( ICTXT, 'Columnwise', ' ', 1, 1,
+      $                          TAU( IIV ), 1 )
+-                  TAULOC = TAU( IIV )
++                  TAULOC( 1 ) = TAU( IIV )
+ *
+                ELSE
+ *
+@@ -479,7 +479,7 @@ SUBROUTINE PDLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C )' * v
+ *
+@@ -499,8 +499,8 @@ SUBROUTINE PDLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *                 sub( C ) := sub( C ) - v * w'
+ *
+                   IF( IOFFC.GT.0 )
+-     $               CALL DGER( MP, NQ, -TAULOC, WORK, 1, WORK( IPW ),
+-     $                          1, C( IOFFC ), LDC )
++     $               CALL DGER( MP, NQ, -TAULOC( 1 ), WORK, 1,
++     $                          WORK( IPW ), 1, C( IOFFC ), LDC )
+                END IF
+ *
+             ELSE
+@@ -515,18 +515,18 @@ SUBROUTINE PDLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+                   WORK(IPW) = TAU( JJV )
+                   CALL DGEBS2D( ICTXT, 'Rowwise', ROWBTOP, IPW, 1,
+      $                          WORK, IPW )
+-                  TAULOC = TAU( JJV )
++                  TAULOC( 1 ) = TAU( JJV )
+ *
+                ELSE
+ *
+                   IPW = MP+1
+                   CALL DGEBR2D( ICTXT, 'Rowwise', ROWBTOP, IPW, 1, WORK,
+      $                          IPW, MYROW, IVCOL )
+-                  TAULOC = WORK( IPW )
++                  TAULOC( 1 ) = WORK( IPW )
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C )' * v
+ *
+@@ -546,8 +546,8 @@ SUBROUTINE PDLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *                 sub( C ) := sub( C ) - v * w'
+ *
+                   IF( IOFFC.GT.0 )
+-     $               CALL DGER( MP, NQ, -TAULOC, WORK, 1, WORK( IPW ),
+-     $                          1, C( IOFFC ), LDC )
++     $               CALL DGER( MP, NQ, -TAULOC( 1 ), WORK, 1,
++     $                          WORK( IPW ), 1, C( IOFFC ), LDC )
+                END IF
+ *
+             END IF
+@@ -576,9 +576,9 @@ SUBROUTINE PDLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                   IF( MYROW.EQ.ICROW ) THEN
+ *
+-                     TAULOC = TAU( IIV )
++                     TAULOC( 1 ) = TAU( IIV )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C ) * v
+ *
+@@ -596,7 +596,7 @@ SUBROUTINE PDLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *                       sub( C ) := sub( C ) - w * v'
+ *
+                         IF( IOFFV.GT.0 .AND. IOFFC.GT.0 )
+-     $                     CALL DGER( MP, NQ, -TAULOC, WORK, 1,
++     $                     CALL DGER( MP, NQ, -TAULOC( 1 ), WORK, 1,
+      $                                V( IOFFV ), LDV, C( IOFFC ), LDC )
+                      END IF
+ *
+@@ -619,9 +619,9 @@ SUBROUTINE PDLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+                      IPW = NQ+1
+                      CALL DGERV2D( ICTXT, IPW, 1, WORK, IPW, IVROW,
+      $                             MYCOL )
+-                     TAULOC = WORK( IPW )
++                     TAULOC( 1 ) = WORK( IPW )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C ) * v
+ *
+@@ -639,7 +639,7 @@ SUBROUTINE PDLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+ *                       sub( C ) := sub( C ) - w * v'
+ *
+-                        CALL DGER( MP, NQ, -TAULOC, WORK( IPW ), 1,
++                        CALL DGER( MP, NQ, -TAULOC( 1 ), WORK( IPW ), 1,
+      $                             WORK, 1, C( IOFFC ), LDC )
+                      END IF
+ *
+@@ -665,7 +665,7 @@ SUBROUTINE PDLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                      CALL DGEBS2D( ICTXT, 'Rowwise', ' ', 1, 1,
+      $                             TAU( JJV ), 1 )
+-                     TAULOC = TAU( JJV )
++                     TAULOC( 1 ) = TAU( JJV )
+ *
+                   ELSE
+ *
+@@ -674,7 +674,7 @@ SUBROUTINE PDLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                   END IF
+ *
+-                  IF( TAULOC.NE.ZERO ) THEN
++                  IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                    w := sub( C ) * v
+ *
+@@ -692,8 +692,8 @@ SUBROUTINE PDLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+ *                    sub( C ) := sub( C ) - w * v'
+ *
+-                     CALL DGER( MP, NQ, -TAULOC, WORK( IPW ), 1, WORK,
+-     $                          1, C( IOFFC ), LDC )
++                     CALL DGER( MP, NQ, -TAULOC( 1 ), WORK( IPW ), 1,
++     $                          WORK, 1, C( IOFFC ), LDC )
+                   END IF
+ *
+                END IF
+@@ -718,18 +718,18 @@ SUBROUTINE PDLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+                   WORK(IPW) = TAU( IIV )
+                   CALL DGEBS2D( ICTXT, 'Columnwise', COLBTOP, IPW, 1,
+      $                          WORK, IPW )
+-                  TAULOC = TAU( IIV )
++                  TAULOC( 1 ) = TAU( IIV )
+ *
+                ELSE
+ *
+                   IPW = NQ+1
+                   CALL DGEBR2D( ICTXT, 'Columnwise', COLBTOP, IPW, 1,
+      $                          WORK, IPW, IVROW, MYCOL )
+-                  TAULOC = WORK( IPW )
++                  TAULOC( 1 ) = WORK( IPW )
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C ) * v
+ *
+@@ -748,8 +748,8 @@ SUBROUTINE PDLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *                 sub( C ) := sub( C ) - w * v'
+ *
+                   IF( IOFFC.GT.0 )
+-     $               CALL DGER( MP, NQ, -TAULOC, WORK( IPW ), 1, WORK,
+-     $                          1, C( IOFFC ), LDC )
++     $               CALL DGER( MP, NQ, -TAULOC( 1 ), WORK( IPW ), 1,
++     $                          WORK, 1, C( IOFFC ), LDC )
+                END IF
+ *
+             ELSE
+@@ -768,7 +768,7 @@ SUBROUTINE PDLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                   CALL DGEBS2D( ICTXT, 'Rowwise', ' ', 1, 1, TAU( JJV ),
+      $                          1 )
+-                  TAULOC = TAU( JJV )
++                  TAULOC( 1 ) = TAU( JJV )
+ *
+                ELSE
+ *
+@@ -777,7 +777,7 @@ SUBROUTINE PDLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C ) * v
+ *
+@@ -795,8 +795,8 @@ SUBROUTINE PDLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+ *                 sub( C ) := sub( C ) - w * v'
+ *
+-                  CALL DGER( MP, NQ, -TAULOC, WORK( IPW ), 1, WORK, 1,
+-     $                       C( IOFFC ), LDC )
++                  CALL DGER( MP, NQ, -TAULOC( 1 ), WORK( IPW ), 1, WORK,
++     $                       1, C( IOFFC ), LDC )
+                END IF
+ *
+             END IF
+diff --git a/SRC/pdlarz.f b/SRC/pdlarz.f
+index b91282c..f45c137 100644
+--- SRC/pdlarz.f
++++ SRC/pdlarz.f
+@@ -250,7 +250,7 @@ SUBROUTINE PDLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+      $                   IVCOL, IVROW, JJC1, JJC2, JJV, LDC, LDV, MPC2,
+      $                   MPV, MYCOL, MYROW, NCC, NCV, NPCOL, NPROW,
+      $                   NQC2, NQV, RDEST
+-      DOUBLE PRECISION   TAULOC
++      DOUBLE PRECISION   TAULOC( 1 )
+ *     ..
+ *     .. External Subroutines ..
+       EXTERNAL           BLACS_GRIDINFO, DAXPY, DCOPY, DGEBR2D,
+@@ -369,7 +369,7 @@ SUBROUTINE PDLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                      CALL DGEBS2D( ICTXT, 'Columnwise', ' ', 1, 1,
+      $                             TAU( IIV ), 1 )
+-                     TAULOC = TAU( IIV )
++                     TAULOC( 1 ) = TAU( IIV )
+ *
+                   ELSE
+ *
+@@ -378,7 +378,7 @@ SUBROUTINE PDLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                   END IF
+ *
+-                  IF( TAULOC.NE.ZERO ) THEN
++                  IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                    w := sub( C )' * v
+ *
+@@ -401,9 +401,9 @@ SUBROUTINE PDLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *                    sub( C ) := sub( C ) - v * w'
+ *
+                      IF( MYROW.EQ.ICROW1 )
+-     $                  CALL DAXPY( NQC2, -TAULOC, WORK( IPW ),
++     $                  CALL DAXPY( NQC2, -TAULOC( 1 ), WORK( IPW ),
+      $                              MAX( 1, NQC2 ), C( IOFFC1 ), LDC )
+-                     CALL DGER( MPV, NQC2, -TAULOC, WORK, 1,
++                     CALL DGER( MPV, NQC2, -TAULOC( 1 ), WORK, 1,
+      $                          WORK( IPW ), 1, C( IOFFC2 ), LDC )
+                   END IF
+ *
+@@ -419,9 +419,9 @@ SUBROUTINE PDLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                   IF( MYCOL.EQ.ICCOL2 ) THEN
+ *
+-                     TAULOC = TAU( JJV )
++                     TAULOC( 1 ) = TAU( JJV )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C )' * v
+ *
+@@ -444,11 +444,11 @@ SUBROUTINE PDLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *                       sub( C ) := sub( C ) - v * w'
+ *
+                         IF( MYROW.EQ.ICROW1 )
+-     $                     CALL DAXPY( NQC2, -TAULOC, WORK,
++     $                     CALL DAXPY( NQC2, -TAULOC( 1 ), WORK,
+      $                                 MAX( 1, NQC2 ), C( IOFFC1 ),
+      $                                 LDC )
+-                        CALL DGER( MPV, NQC2, -TAULOC, V( IOFFV ), 1,
+-     $                             WORK, 1, C( IOFFC2 ), LDC )
++                        CALL DGER( MPV, NQC2, -TAULOC( 1 ), V( IOFFV ),
++     $                             1, WORK, 1, C( IOFFC2 ), LDC )
+                      END IF
+ *
+                   END IF
+@@ -470,9 +470,9 @@ SUBROUTINE PDLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+                      IPW = MPV+1
+                      CALL DGERV2D( ICTXT, IPW, 1, WORK, IPW, MYROW,
+      $                             IVCOL )
+-                     TAULOC = WORK( IPW )
++                     TAULOC( 1 ) = WORK( IPW )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C )' * v
+ *
+@@ -495,10 +495,10 @@ SUBROUTINE PDLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *                       sub( C ) := sub( C ) - v * w'
+ *
+                         IF( MYROW.EQ.ICROW1 )
+-     $                     CALL DAXPY( NQC2, -TAULOC, WORK( IPW ),
++     $                     CALL DAXPY( NQC2, -TAULOC( 1 ), WORK( IPW ),
+      $                                 MAX( 1, NQC2 ), C( IOFFC1 ),
+      $                                 LDC )
+-                        CALL DGER( MPV, NQC2, -TAULOC, WORK, 1,
++                        CALL DGER( MPV, NQC2, -TAULOC( 1 ), WORK, 1,
+      $                             WORK( IPW ), 1, C( IOFFC2 ), LDC )
+                      END IF
+ *
+@@ -529,7 +529,7 @@ SUBROUTINE PDLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                   CALL DGEBS2D( ICTXT, 'Columnwise', ' ', 1, 1,
+      $                          TAU( IIV ), 1 )
+-                  TAULOC = TAU( IIV )
++                  TAULOC( 1 ) = TAU( IIV )
+ *
+                ELSE
+ *
+@@ -538,7 +538,7 @@ SUBROUTINE PDLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C )' * v
+ *
+@@ -561,10 +561,10 @@ SUBROUTINE PDLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *                 sub( C ) := sub( C ) - v * w'
+ *
+                   IF( MYROW.EQ.ICROW1 )
+-     $               CALL DAXPY( NQC2, -TAULOC, WORK( IPW ),
++     $               CALL DAXPY( NQC2, -TAULOC( 1 ), WORK( IPW ),
+      $                           MAX( 1, NQC2 ), C( IOFFC1 ), LDC )
+-                  CALL DGER( MPV, NQC2, -TAULOC, WORK, 1, WORK( IPW ),
+-     $                       1, C( IOFFC2 ), LDC )
++                  CALL DGER( MPV, NQC2, -TAULOC( 1 ), WORK, 1,
++     $                       WORK( IPW ), 1, C( IOFFC2 ), LDC )
+                END IF
+ *
+             ELSE
+@@ -579,18 +579,18 @@ SUBROUTINE PDLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+                   WORK( IPW ) = TAU( JJV )
+                   CALL DGEBS2D( ICTXT, 'Rowwise', ROWBTOP, IPW, 1,
+      $                          WORK, IPW )
+-                  TAULOC = TAU( JJV )
++                  TAULOC( 1 ) = TAU( JJV )
+ *
+                ELSE
+ *
+                   IPW = MPV+1
+                   CALL DGEBR2D( ICTXT, 'Rowwise', ROWBTOP, IPW, 1, WORK,
+      $                          IPW, MYROW, IVCOL )
+-                  TAULOC = WORK( IPW )
++                  TAULOC( 1 ) = WORK( IPW )
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C )' * v
+ *
+@@ -613,10 +613,10 @@ SUBROUTINE PDLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *                 sub( C ) := sub( C ) - v * w'
+ *
+                   IF( MYROW.EQ.ICROW1 )
+-     $               CALL DAXPY( NQC2, -TAULOC, WORK( IPW ),
++     $               CALL DAXPY( NQC2, -TAULOC( 1 ), WORK( IPW ),
+      $                           MAX( 1, NQC2 ), C( IOFFC1 ), LDC )
+-                  CALL DGER( MPV, NQC2, -TAULOC, WORK, 1, WORK( IPW ),
+-     $                       1, C( IOFFC2 ), LDC )
++                  CALL DGER( MPV, NQC2, -TAULOC( 1 ), WORK, 1,
++     $                       WORK( IPW ), 1, C( IOFFC2 ), LDC )
+                END IF
+ *
+             END IF
+@@ -645,9 +645,9 @@ SUBROUTINE PDLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                   IF( MYROW.EQ.ICROW2 ) THEN
+ *
+-                     TAULOC = TAU( IIV )
++                     TAULOC( 1 ) = TAU( IIV )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C ) * v
+ *
+@@ -668,13 +668,13 @@ SUBROUTINE PDLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+      $                               ICCOL2 )
+ *
+                         IF( MYCOL.EQ.ICCOL1 )
+-     $                     CALL DAXPY( MPC2, -TAULOC, WORK, 1,
++     $                     CALL DAXPY( MPC2, -TAULOC( 1 ), WORK, 1,
+      $                                 C( IOFFC1 ), 1 )
+ *
+ *                       sub( C ) := sub( C ) - w * v'
+ *
+                         IF( MPC2.GT.0 .AND. NQV.GT.0 )
+-     $                     CALL DGER( MPC2, NQV, -TAULOC, WORK, 1,
++     $                     CALL DGER( MPC2, NQV, -TAULOC( 1 ), WORK, 1,
+      $                                V( IOFFV ), LDV, C( IOFFC2 ),
+      $                                LDC )
+                      END IF
+@@ -698,9 +698,9 @@ SUBROUTINE PDLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+                      IPW = NQV+1
+                      CALL DGERV2D( ICTXT, IPW, 1, WORK, IPW, IVROW,
+      $                             MYCOL )
+-                     TAULOC = WORK( IPW )
++                     TAULOC( 1 ) = WORK( IPW )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C ) * v
+ *
+@@ -719,13 +719,13 @@ SUBROUTINE PDLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+      $                                WORK( IPW ), MAX( 1, MPC2 ),
+      $                                RDEST, ICCOL2 )
+                         IF( MYCOL.EQ.ICCOL1 )
+-     $                     CALL DAXPY( MPC2, -TAULOC, WORK( IPW ), 1,
+-     $                                 C( IOFFC1 ), 1 )
++     $                     CALL DAXPY( MPC2, -TAULOC( 1 ), WORK( IPW ),
++     $                                 1, C( IOFFC1 ), 1 )
+ *
+ *                       sub( C ) := sub( C ) - w * v'
+ *
+-                        CALL DGER( MPC2, NQV, -TAULOC, WORK( IPW ), 1,
+-     $                             WORK, 1, C( IOFFC2 ), LDC )
++                        CALL DGER( MPC2, NQV, -TAULOC( 1 ), WORK( IPW ),
++     $                             1, WORK, 1, C( IOFFC2 ), LDC )
+                      END IF
+ *
+                   END IF
+@@ -750,7 +750,7 @@ SUBROUTINE PDLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                      CALL DGEBS2D( ICTXT, 'Rowwise', ' ', 1, 1,
+      $                             TAU( JJV ), 1 )
+-                     TAULOC = TAU( JJV )
++                     TAULOC( 1 ) = TAU( JJV )
+ *
+                   ELSE
+ *
+@@ -759,7 +759,7 @@ SUBROUTINE PDLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                   END IF
+ *
+-                  IF( TAULOC.NE.ZERO ) THEN
++                  IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                    w := sub( C ) * v
+ *
+@@ -778,12 +778,12 @@ SUBROUTINE PDLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+      $                             WORK( IPW ), MAX( 1, MPC2 ), RDEST,
+      $                             ICCOL2 )
+                      IF( MYCOL.EQ.ICCOL1 )
+-     $                  CALL DAXPY( MPC2, -TAULOC, WORK( IPW ), 1,
++     $                  CALL DAXPY( MPC2, -TAULOC( 1 ), WORK( IPW ), 1,
+      $                              C( IOFFC1 ), 1 )
+ *
+ *                    sub( C ) := sub( C ) - w * v'
+ *
+-                     CALL DGER( MPC2, NQV, -TAULOC, WORK( IPW ), 1,
++                     CALL DGER( MPC2, NQV, -TAULOC( 1 ), WORK( IPW ), 1,
+      $                          WORK, 1, C( IOFFC2 ), LDC )
+                   END IF
+ *
+@@ -808,18 +808,18 @@ SUBROUTINE PDLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+                   WORK( IPW ) = TAU( IIV )
+                   CALL DGEBS2D( ICTXT, 'Columnwise', COLBTOP, IPW, 1,
+      $                          WORK, IPW )
+-                  TAULOC = TAU( IIV )
++                  TAULOC( 1 ) = TAU( IIV )
+ *
+                ELSE
+ *
+                   IPW = NQV+1
+                   CALL DGEBR2D( ICTXT, 'Columnwise', COLBTOP, IPW, 1,
+      $                          WORK, IPW, IVROW, MYCOL )
+-                  TAULOC = WORK( IPW )
++                  TAULOC( 1 ) = WORK( IPW )
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C ) * v
+ *
+@@ -839,13 +839,13 @@ SUBROUTINE PDLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+      $                          WORK( IPW ), MAX( 1, MPC2 ), RDEST,
+      $                          ICCOL2 )
+                   IF( MYCOL.EQ.ICCOL1 )
+-     $               CALL DAXPY( MPC2, -TAULOC, WORK( IPW ), 1,
++     $               CALL DAXPY( MPC2, -TAULOC( 1 ), WORK( IPW ), 1,
+      $                           C( IOFFC1 ), 1 )
+ *
+ *                 sub( C ) := sub( C ) - w * v'
+ *
+-                  CALL DGER( MPC2, NQV, -TAULOC, WORK( IPW ), 1, WORK,
+-     $                       1, C( IOFFC2 ), LDC )
++                  CALL DGER( MPC2, NQV, -TAULOC( 1 ), WORK( IPW ), 1,
++     $                       WORK, 1, C( IOFFC2 ), LDC )
+                END IF
+ *
+             ELSE
+@@ -864,7 +864,7 @@ SUBROUTINE PDLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                   CALL DGEBS2D( ICTXT, 'Rowwise', ' ', 1, 1, TAU( JJV ),
+      $                          1 )
+-                  TAULOC = TAU( JJV )
++                  TAULOC( 1 ) = TAU( JJV )
+ *
+                ELSE
+ *
+@@ -873,7 +873,7 @@ SUBROUTINE PDLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C ) * v
+ *
+@@ -892,13 +892,13 @@ SUBROUTINE PDLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+      $                          WORK( IPW ), MAX( 1, MPC2 ), RDEST,
+      $                          ICCOL2 )
+                   IF( MYCOL.EQ.ICCOL1 )
+-     $               CALL DAXPY( MPC2, -TAULOC, WORK( IPW ), 1,
++     $               CALL DAXPY( MPC2, -TAULOC( 1 ), WORK( IPW ), 1,
+      $                           C( IOFFC1 ), 1 )
+ *
+ *                 sub( C ) := sub( C ) - w * v'
+ *
+-                  CALL DGER( MPC2, NQV, -TAULOC, WORK( IPW ), 1, WORK,
+-     $                       1, C( IOFFC2 ), LDC )
++                  CALL DGER( MPC2, NQV, -TAULOC( 1 ), WORK( IPW ), 1,
++     $                       WORK, 1, C( IOFFC2 ), LDC )
+                END IF
+ *
+             END IF
+diff --git a/SRC/pdlawil.f b/SRC/pdlawil.f
+index 90a4d74..e8bc3a0 100644
+--- SRC/pdlawil.f
++++ SRC/pdlawil.f
+@@ -120,10 +120,10 @@ SUBROUTINE PDLAWIL( II, JJ, M, A, DESCA, H44, H33, H43H34, V )
+       INTEGER            CONTXT, DOWN, HBL, ICOL, IROW, JSRC, LDA, LEFT,
+      $                   MODKM1, MYCOL, MYROW, NPCOL, NPROW, NUM, RIGHT,
+      $                   RSRC, UP
+-      DOUBLE PRECISION   H11, H12, H21, H22, H33S, H44S, S, V1, V2, V3
++      DOUBLE PRECISION   H22, H33S, H44S, S, V1, V2
+ *     ..
+ *     .. Local Arrays ..
+-      DOUBLE PRECISION   BUF( 4 )
++      DOUBLE PRECISION   BUF( 4 ), H11( 1 ), H12( 1 ), H21( 1 ), V3( 1 )
+ *     ..
+ *     .. External Subroutines ..
+       EXTERNAL           BLACS_GRIDINFO, DGERV2D, DGESD2D, INFOG2L
+@@ -170,18 +170,18 @@ SUBROUTINE PDLAWIL( II, JJ, M, A, DESCA, H44, H33, H43H34, V )
+             IF( NPCOL.GT.1 ) THEN
+                CALL DGERV2D( CONTXT, 1, 1, V3, 1, MYROW, LEFT )
+             ELSE
+-               V3 = A( ( ICOL-2 )*LDA+IROW )
++               V3( 1 ) = A( ( ICOL-2 )*LDA+IROW )
+             END IF
+             IF( NUM.GT.1 ) THEN
+                CALL DGERV2D( CONTXT, 4, 1, BUF, 4, UP, LEFT )
+-               H11 = BUF( 1 )
+-               H21 = BUF( 2 )
+-               H12 = BUF( 3 )
++               H11( 1 ) = BUF( 1 )
++               H21( 1 ) = BUF( 2 )
++               H12( 1 ) = BUF( 3 )
+                H22 = BUF( 4 )
+             ELSE
+-               H11 = A( ( ICOL-3 )*LDA+IROW-2 )
+-               H21 = A( ( ICOL-3 )*LDA+IROW-1 )
+-               H12 = A( ( ICOL-2 )*LDA+IROW-2 )
++               H11( 1 ) = A( ( ICOL-3 )*LDA+IROW-2 )
++               H21( 1 ) = A( ( ICOL-3 )*LDA+IROW-1 )
++               H12( 1 ) = A( ( ICOL-2 )*LDA+IROW-2 )
+                H22 = A( ( ICOL-2 )*LDA+IROW-1 )
+             END IF
+          END IF
+@@ -214,20 +214,20 @@ SUBROUTINE PDLAWIL( II, JJ, M, A, DESCA, H44, H33, H43H34, V )
+             IF( NUM.GT.1 ) THEN
+                CALL DGERV2D( CONTXT, 1, 1, H11, 1, UP, LEFT )
+             ELSE
+-               H11 = A( ( ICOL-3 )*LDA+IROW-2 )
++               H11( 1 ) = A( ( ICOL-3 )*LDA+IROW-2 )
+             END IF
+             IF( NPROW.GT.1 ) THEN
+                CALL DGERV2D( CONTXT, 1, 1, H12, 1, UP, MYCOL )
+             ELSE
+-               H12 = A( ( ICOL-2 )*LDA+IROW-2 )
++               H12( 1 ) = A( ( ICOL-2 )*LDA+IROW-2 )
+             END IF
+             IF( NPCOL.GT.1 ) THEN
+                CALL DGERV2D( CONTXT, 1, 1, H21, 1, MYROW, LEFT )
+             ELSE
+-               H21 = A( ( ICOL-3 )*LDA+IROW-1 )
++               H21( 1 ) = A( ( ICOL-3 )*LDA+IROW-1 )
+             END IF
+             H22 = A( ( ICOL-2 )*LDA+IROW-1 )
+-            V3 = A( ( ICOL-2 )*LDA+IROW )
++            V3( 1 ) = A( ( ICOL-2 )*LDA+IROW )
+          END IF
+       END IF
+       IF( ( MYROW.NE.II ) .OR. ( MYCOL.NE.JJ ) )
+@@ -236,24 +236,24 @@ SUBROUTINE PDLAWIL( II, JJ, M, A, DESCA, H44, H33, H43H34, V )
+       IF( MODKM1.GT.1 ) THEN
+          CALL INFOG2L( M+2, M+2, DESCA, NPROW, NPCOL, MYROW, MYCOL,
+      $                 IROW, ICOL, RSRC, JSRC )
+-         H11 = A( ( ICOL-3 )*LDA+IROW-2 )
+-         H21 = A( ( ICOL-3 )*LDA+IROW-1 )
+-         H12 = A( ( ICOL-2 )*LDA+IROW-2 )
++         H11( 1 ) = A( ( ICOL-3 )*LDA+IROW-2 )
++         H21( 1 ) = A( ( ICOL-3 )*LDA+IROW-1 )
++         H12( 1 ) = A( ( ICOL-2 )*LDA+IROW-2 )
+          H22 = A( ( ICOL-2 )*LDA+IROW-1 )
+-         V3 = A( ( ICOL-2 )*LDA+IROW )
++         V3( 1 ) = A( ( ICOL-2 )*LDA+IROW )
+       END IF
+ *
+-      H44S = H44 - H11
+-      H33S = H33 - H11
+-      V1 = ( H33S*H44S-H43H34 ) / H21 + H12
+-      V2 = H22 - H11 - H33S - H44S
+-      S = ABS( V1 ) + ABS( V2 ) + ABS( V3 )
++      H44S = H44 - H11( 1 )
++      H33S = H33 - H11( 1 )
++      V1 = ( H33S*H44S-H43H34 ) / H21( 1 ) + H12( 1 )
++      V2 = H22 - H11( 1 ) - H33S - H44S
++      S = ABS( V1 ) + ABS( V2 ) + ABS( V3( 1 ) )
+       V1 = V1 / S
+       V2 = V2 / S
+-      V3 = V3 / S
++      V3( 1 ) = V3( 1 ) / S
+       V( 1 ) = V1
+       V( 2 ) = V2
+-      V( 3 ) = V3
++      V( 3 ) = V3( 1 )
+ *
+       RETURN
+ *
+diff --git a/SRC/pdstebz.f b/SRC/pdstebz.f
+index e7006f9..bf4dacc 100644
+--- SRC/pdstebz.f
++++ SRC/pdstebz.f
+@@ -246,14 +246,14 @@ SUBROUTINE PDSTEBZ( ICTXT, RANGE, ORDER, N, VL, VU, IL, IU,
+      $                   ITMP2, J, JB, K, LAST, LEXTRA, LREQ, MYCOL,
+      $                   MYROW, NALPHA, NBETA, NCMP, NEIGINT, NEXT, NGL,
+      $                   NGLOB, NGU, NINT, NPCOL, NPROW, OFFSET,
+-     $                   ONEDCONTEXT, P, PREV, REXTRA, RREQ, SELF,
+-     $                   TORECV
++     $                   ONEDCONTEXT, P, PREV, REXTRA, RREQ, SELF
+       DOUBLE PRECISION   ALPHA, ATOLI, BETA, BNORM, DRECV, DSEND, GL,
+      $                   GU, INITVL, INITVU, LSAVE, MID, PIVMIN, RELTOL,
+      $                   SAFEMN, TMP1, TMP2, TNORM, ULP
+ *     ..
+ *     .. Local Arrays ..
+       INTEGER            IDUM( 5, 2 )
++      INTEGER            TORECV( 1, 1 )
+ *     ..
+ *     .. Executable Statements ..
+ *       This is just to keep ftnchek happy
+@@ -784,14 +784,14 @@ SUBROUTINE PDSTEBZ( ICTXT, RANGE, ORDER, N, VL, VU, IL, IU,
+          ELSE
+             CALL IGEBR2D( ONEDCONTEXT, 'ALL', ' ', 1, 1, TORECV, 1, 0,
+      $                    I-1 )
+-            IF( TORECV.NE.0 ) THEN
+-               CALL IGEBR2D( ONEDCONTEXT, 'ALL', ' ', TORECV, 1, IWORK,
+-     $                       TORECV, 0, I-1 )
+-               CALL DGEBR2D( ONEDCONTEXT, 'ALL', ' ', TORECV, 1, WORK,
+-     $                       TORECV, 0, I-1 )
+-               CALL IGEBR2D( ONEDCONTEXT, 'ALL', ' ', TORECV, 1,
+-     $                       IWORK( N+1 ), TORECV, 0, I-1 )
+-               DO 120 J = 1, TORECV
++            IF( TORECV( 1, 1 ).NE.0 ) THEN
++               CALL IGEBR2D( ONEDCONTEXT, 'ALL', ' ', TORECV( 1, 1 ), 1,
++     $                       IWORK, TORECV( 1, 1 ), 0, I-1 )
++               CALL DGEBR2D( ONEDCONTEXT, 'ALL', ' ', TORECV( 1, 1 ), 1,
++     $                       WORK, TORECV( 1, 1 ), 0, I-1 )
++               CALL IGEBR2D( ONEDCONTEXT, 'ALL', ' ', TORECV( 1, 1 ), 1,
++     $                       IWORK( N+1 ), TORECV( 1, 1 ), 0, I-1 )
++               DO 120 J = 1, TORECV( 1, 1 )
+                   W( IWORK( J ) ) = WORK( J )
+                   IBLOCK( IWORK( J ) ) = IWORK( N+J )
+   120          CONTINUE
+diff --git a/SRC/pdtrord.f b/SRC/pdtrord.f
+index 1f37d8e..3870574 100644
+--- SRC/pdtrord.f
++++ SRC/pdtrord.f
+@@ -328,12 +328,13 @@ SUBROUTINE PDTRORD( COMPQ, SELECT, PARA, N, T, IT, JT,
+      $                   EAST, WEST, ILOC4, SOUTH, NORTH, INDXS,
+      $                   ITT, JTT, ILEN, DLEN, INDXE, TRSRC1, TCSRC1,
+      $                   TRSRC2, TCSRC2, ILOS, DIR, TLIHI, TLILO, TLSEL,
+-     $                   ROUND, LAST, WIN0S, WIN0E, WINE, MMAX, MMIN
++     $                   ROUND, LAST, WIN0S, WIN0E, WINE
+       DOUBLE PRECISION   ELEM, ELEM1, ELEM2, ELEM3, ELEM4, SN, CS, TMP,
+      $                   ELEM5
+ *     ..
+ *     .. Local Arrays ..
+-      INTEGER            IBUFF( 8 ), IDUM1( 1 ), IDUM2( 1 )
++      INTEGER            IBUFF( 8 ), IDUM1( 1 ), IDUM2( 1 ), MMAX( 1 ),
++     $                   MMIN( 1 ), INFODUM( 1 )
+ *     ..
+ *     .. External Functions ..
+       LOGICAL            LSAME
+@@ -483,16 +484,16 @@ SUBROUTINE PDTRORD( COMPQ, SELECT, PARA, N, T, IT, JT,
+                END IF
+                IF( SELECT(K).NE.0 ) M = M + 1
+  10         CONTINUE
+-            MMAX = M
+-            MMIN = M
++            MMAX( 1 ) = M
++            MMIN( 1 ) = M
+             IF( NPROCS.GT.1 )
+      $         CALL IGAMX2D( ICTXT, 'All', TOP, 1, 1, MMAX, 1, -1,
+      $              -1, -1, -1, -1 )
+             IF( NPROCS.GT.1 )
+      $         CALL IGAMN2D( ICTXT, 'All', TOP, 1, 1, MMIN, 1, -1,
+      $              -1, -1, -1, -1 )
+-            IF( MMAX.GT.MMIN ) THEN
+-               M = MMAX
++            IF( MMAX( 1 ).GT.MMIN( 1 ) ) THEN
++               M = MMAX( 1 )
+                IF( NPROCS.GT.1 )
+      $            CALL IGAMX2D( ICTXT, 'All', TOP, N, 1, SELECT, N,
+      $                 -1, -1, -1, -1, -1 )
+@@ -520,9 +521,11 @@ SUBROUTINE PDTRORD( COMPQ, SELECT, PARA, N, T, IT, JT,
+ *
+ *     Global maximum on info.
+ *
+-      IF( NPROCS.GT.1 )
+-     $   CALL IGAMX2D( ICTXT, 'All', TOP, 1, 1, INFO, 1, -1, -1, -1,
++      IF( NPROCS.GT.1 ) THEN
++         CALL IGAMX2D( ICTXT, 'All', TOP, 1, 1, INFODUM, 1, -1, -1, -1,
+      $        -1, -1 )
++         INFO = INFODUM( 1 )
++      END IF
+ *
+ *     Return if some argument is incorrect.
+ *
+@@ -1576,9 +1579,11 @@ SUBROUTINE PDTRORD( COMPQ, SELECT, PARA, N, T, IT, JT,
+ *        experienced a failure in the reordering.
+ *
+          MYIERR = IERR
+-         IF( NPROCS.GT.1 )
+-     $      CALL IGAMX2D( ICTXT, 'All', TOP, 1, 1, IERR, 1, -1,
++         IF( NPROCS.GT.1 ) THEN
++            CALL IGAMX2D( ICTXT, 'All', TOP, 1, 1, INFODUM, 1, -1,
+      $           -1, -1, -1, -1 )
++            IERR = INFODUM( 1 )
++         END IF
+ *
+          IF( IERR.NE.0 ) THEN
+ *
+@@ -1586,9 +1591,11 @@ SUBROUTINE PDTRORD( COMPQ, SELECT, PARA, N, T, IT, JT,
+ *           to swap.
+ *
+             IF( MYIERR.NE.0 ) INFO = MAX(1,I+KKS-1)
+-            IF( NPROCS.GT.1 )
+-     $         CALL IGAMX2D( ICTXT, 'All', TOP, 1, 1, INFO, 1, -1,
++            IF( NPROCS.GT.1 ) THEN
++               CALL IGAMX2D( ICTXT, 'All', TOP, 1, 1, INFODUM, 1, -1,
+      $              -1, -1, -1, -1 )
++               INFO = INFODUM( 1 )
++            END IF
+             GO TO 300
+          END IF
+ *
+@@ -3245,9 +3252,11 @@ SUBROUTINE PDTRORD( COMPQ, SELECT, PARA, N, T, IT, JT,
+ *        experienced a failure in the reordering.
+ *
+          MYIERR = IERR
+-         IF( NPROCS.GT.1 )
+-     $      CALL IGAMX2D( ICTXT, 'All', TOP, 1, 1, IERR, 1, -1,
++         IF( NPROCS.GT.1 ) THEN
++            CALL IGAMX2D( ICTXT, 'All', TOP, 1, 1, INFODUM, 1, -1,
+      $           -1, -1, -1, -1 )
++            IERR = INFODUM( 1 )
++         END IF
+ *
+          IF( IERR.NE.0 ) THEN
+ *
+@@ -3255,9 +3264,11 @@ SUBROUTINE PDTRORD( COMPQ, SELECT, PARA, N, T, IT, JT,
+ *           to swap.
+ *
+             IF( MYIERR.NE.0 ) INFO = MAX(1,I+KKS-1)
+-            IF( NPROCS.GT.1 )
+-     $         CALL IGAMX2D( ICTXT, 'All', TOP, 1, 1, INFO, 1, -1,
++            IF( NPROCS.GT.1 ) THEN
++               CALL IGAMX2D( ICTXT, 'All', TOP, 1, 1, INFODUM, 1, -1,
+      $              -1, -1, -1, -1 )
++               IERR = INFODUM( 1 )
++            END IF
+             GO TO 300
+          END IF
+ *
+diff --git a/SRC/pdtrsen.f b/SRC/pdtrsen.f
+index 78c5599..c65ea91 100644
+--- SRC/pdtrsen.f
++++ SRC/pdtrsen.f
+@@ -354,13 +354,15 @@ SUBROUTINE PDTRSEN( JOB, COMPQ, SELECT, PARA, N, T, IT, JT,
+       LOGICAL            LQUERY, WANTBH, WANTQ, WANTS, WANTSP
+       INTEGER            ICOFFT12, ICTXT, IDUM1, IDUM2, IERR, ILOC1,
+      $                   IPW1, ITER, ITT, JLOC1, JTT, K, LIWMIN, LLDT,
+-     $                   LLDQ, LWMIN, MMAX, MMIN, MYROW, MYCOL, N1, N2,
++     $                   LLDQ, LWMIN, MYROW, MYCOL, N1, N2,
+      $                   NB, NOEXSY, NPCOL, NPROCS, NPROW, SPACE,
+      $                   T12ROWS, T12COLS, TCOLS, TCSRC, TROWS, TRSRC,
+      $                   WRK1, IWRK1, WRK2, IWRK2, WRK3, IWRK3
+-      DOUBLE PRECISION   DPDUM1, ELEM, EST, SCALE, RNORM
++      DOUBLE PRECISION   ELEM, EST, SCALE, RNORM
+ *     .. Local Arrays ..
+-      INTEGER            DESCT12( DLEN_ ), MBNB2( 2 )
++      INTEGER            DESCT12( DLEN_ ), MBNB2( 2 ), MMAX( 1 ),
++     $                   MMIN( 1 )
++      DOUBLE PRECISION   DPDUM1( 1 )
+ *     ..
+ *     .. External Functions ..
+       LOGICAL            LSAME
+@@ -521,16 +523,16 @@ SUBROUTINE PDTRSEN( JOB, COMPQ, SELECT, PARA, N, T, IT, JT,
+                END IF
+                IF( SELECT(K) ) M = M + 1
+  10         CONTINUE
+-            MMAX = M
+-            MMIN = M
++            MMAX( 1 ) = M
++            MMIN( 1 ) = M
+             IF( NPROCS.GT.1 )
+-     $           CALL IGAMX2D( ICTXT, 'All', TOP, 1, 1, MMAX, 1, -1,
+-     $                -1, -1, -1, -1 )
++     $           CALL IGAMX2D( ICTXT, 'All', TOP, 1, 1, MMAX( 1 ), 1,
++     $                -1, -1, -1, -1, -1 )
+             IF( NPROCS.GT.1 )
+-     $           CALL IGAMN2D( ICTXT, 'All', TOP, 1, 1, MMIN, 1, -1,
+-     $                -1, -1, -1, -1 )
+-            IF( MMAX.GT.MMIN ) THEN
+-               M = MMAX
++     $           CALL IGAMN2D( ICTXT, 'All', TOP, 1, 1, MMIN( 1 ), 1,
++     $                -1, -1, -1, -1, -1 )
++            IF( MMAX( 1 ).GT.MMIN( 1 ) ) THEN
++               M = MMAX( 1 )
+                IF( NPROCS.GT.1 )
+      $              CALL IGAMX2D( ICTXT, 'All', TOP, N, 1, IWORK, N,
+      $                   -1, -1, -1, -1, -1 )
+diff --git a/SRC/pshseqr.f b/SRC/pshseqr.f
+index 10eb24a..e8ecea9 100644
+--- SRC/pshseqr.f
++++ SRC/pshseqr.f
+@@ -259,11 +259,12 @@ SUBROUTINE PSHSEQR( JOB, COMPZ, N, ILO, IHI, H, DESCH, WR, WI, Z,
+      $                   HRSRC4, HCSRC4, LIWKOPT
+       LOGICAL            INITZ, LQUERY, WANTT, WANTZ, PAIR, BORDER
+       REAL               TMP1, TMP2, TMP3, TMP4, DUM1, DUM2, DUM3,
+-     $                   DUM4, ELEM1, ELEM2, ELEM3, ELEM4,
++     $                   DUM4, ELEM1, ELEM4,
+      $                   CS, SN, ELEM5, TMP, LWKOPT
+ *     ..
+ *     .. Local Arrays ..
+       INTEGER            DESCH2( DLEN_ )
++      REAL               ELEM2( 1 ), ELEM3( 1 )
+ *     ..
+ *     .. External Functions ..
+       INTEGER            PILAENVX, NUMROC, ICEIL
+@@ -566,28 +567,28 @@ SUBROUTINE PSHSEQR( JOB, COMPZ, N, ILO, IHI, H, DESCH, WR, WI, Z,
+                   IF( MYROW.EQ.HRSRC1 .AND. MYCOL.EQ.HCSRC1 ) THEN
+                      ELEM1 = H((JLOC1-1)*LLDH+ILOC1)
+                      IF( K.LT.N ) THEN
+-                        ELEM3 = H((JLOC1-1)*LLDH+ILOC1+1)
++                        ELEM3( 1 ) = H((JLOC1-1)*LLDH+ILOC1+1)
+                      ELSE
+-                        ELEM3 = ZERO
++                        ELEM3( 1 ) = ZERO
+                      END IF
+-                     IF( ELEM3.NE.ZERO ) THEN
+-                        ELEM2 = H((JLOC1)*LLDH+ILOC1)
++                     IF( ELEM3( 1 ).NE.ZERO ) THEN
++                        ELEM2( 1 ) = H((JLOC1)*LLDH+ILOC1)
+                         ELEM4 = H((JLOC1)*LLDH+ILOC1+1)
+-                        CALL SLANV2( ELEM1, ELEM2, ELEM3, ELEM4,
+-     $                       WR( K ), WI( K ), WR( K+1 ), WI( K+1 ),
+-     $                       SN, CS )
++                        CALL SLANV2( ELEM1, ELEM2( 1 ), ELEM3( 1 ),
++     $                       ELEM4, WR( K ), WI( K ), WR( K+1 ),
++     $                       WI( K+1 ), SN, CS )
+                         PAIR = .TRUE.
+                      ELSE
+                         IF( K.GT.1 ) THEN
+                            TMP = H((JLOC1-2)*LLDH+ILOC1)
+                            IF( TMP.NE.ZERO ) THEN
+                               ELEM1 = H((JLOC1-2)*LLDH+ILOC1-1)
+-                              ELEM2 = H((JLOC1-1)*LLDH+ILOC1-1)
+-                              ELEM3 = H((JLOC1-2)*LLDH+ILOC1)
++                              ELEM2( 1 ) = H((JLOC1-1)*LLDH+ILOC1-1)
++                              ELEM3( 1 ) = H((JLOC1-2)*LLDH+ILOC1)
+                               ELEM4 = H((JLOC1-1)*LLDH+ILOC1)
+-                              CALL SLANV2( ELEM1, ELEM2, ELEM3,
+-     $                             ELEM4, WR( K-1 ), WI( K-1 ),
+-     $                             WR( K ), WI( K ), SN, CS )
++                              CALL SLANV2( ELEM1, ELEM2( 1 ),
++     $                             ELEM3( 1 ), ELEM4, WR( K-1 ),
++     $                             WI( K-1 ), WR( K ), WI( K ), SN, CS )
+                            ELSE
+                               WR( K ) = ELEM1
+                            END IF
+@@ -620,12 +621,12 @@ SUBROUTINE PSHSEQR( JOB, COMPZ, N, ILO, IHI, H, DESCH, WR, WI, Z,
+             CALL INFOG2L( K+1, K+1, DESCH, NPROW, NPCOL, MYROW, MYCOL,
+      $           ILOC4, JLOC4, HRSRC4, HCSRC4 )
+             IF( MYROW.EQ.HRSRC2 .AND. MYCOL.EQ.HCSRC2 ) THEN
+-               ELEM2 = H((JLOC2-1)*LLDH+ILOC2)
++               ELEM2( 1 ) = H((JLOC2-1)*LLDH+ILOC2)
+                IF( HRSRC1.NE.HRSRC2 .OR. HCSRC1.NE.HCSRC2 )
+      $            CALL SGESD2D( ICTXT, 1, 1, ELEM2, 1, HRSRC1, HCSRC1)
+             END IF
+             IF( MYROW.EQ.HRSRC3 .AND. MYCOL.EQ.HCSRC3 ) THEN
+-               ELEM3 = H((JLOC3-1)*LLDH+ILOC3)
++               ELEM3( 1 ) = H((JLOC3-1)*LLDH+ILOC3)
+                IF( HRSRC1.NE.HRSRC3 .OR. HCSRC1.NE.HCSRC3 )
+      $            CALL SGESD2D( ICTXT, 1, 1, ELEM3, 1, HRSRC1, HCSRC1)
+             END IF
+@@ -651,8 +652,9 @@ SUBROUTINE PSHSEQR( JOB, COMPZ, N, ILO, IHI, H, DESCH, WR, WI, Z,
+                ELEM5 = WORK(2)
+                IF( ELEM5.EQ.ZERO ) THEN
+                   IF( WR( K ).EQ.ZERO .AND. WI( K ).EQ.ZERO ) THEN
+-                     CALL SLANV2( ELEM1, ELEM2, ELEM3, ELEM4, WR( K ),
+-     $                    WI( K ), WR( K+1 ), WI( K+1 ), SN, CS )
++                     CALL SLANV2( ELEM1, ELEM2( 1 ), ELEM3( 1 ), ELEM4,
++     $                    WR( K ), WI( K ), WR( K+1 ), WI( K+1 ), SN,
++     $                    CS )
+                   ELSEIF( WR( K+1 ).EQ.ZERO .AND. WI( K+1 ).EQ.ZERO )
+      $                 THEN
+                      WR( K+1 ) = ELEM4
+diff --git a/SRC/pslacon.f b/SRC/pslacon.f
+index 20d27ff..673bf1a 100644
+--- SRC/pslacon.f
++++ SRC/pslacon.f
+@@ -160,10 +160,12 @@ SUBROUTINE PSLACON( N, V, IV, JV, DESCV, X, IX, JX, DESCX, ISGN,
+       INTEGER            I, ICTXT, IFLAG, IIVX, IMAXROW, IOFFVX, IROFF,
+      $                   ITER, IVXCOL, IVXROW, J, JLAST, JJVX, JUMP,
+      $                   K, MYCOL, MYROW, NP, NPCOL, NPROW
+-      REAL               ALTSGN, ESTOLD, JLMAX, TEMP, XMAX
++      REAL               ALTSGN, ESTOLD, JLMAX, XMAX
+ *     ..
+ *     .. Local Arrays ..
+       REAL               WORK( 2 )
++      REAL               ESTWORK( 1 )
++      REAL               TEMP( 1 )
+ *     ..
+ *     .. External Subroutines ..
+       EXTERNAL           BLACS_GRIDINFO, IGSUM2D, INFOG2L, PSAMAX,
+@@ -184,6 +186,7 @@ SUBROUTINE PSLACON( N, V, IV, JV, DESCV, X, IX, JX, DESCX, ISGN,
+ *
+ *     Get grid parameters.
+ *
++      ESTWORK( 1 ) = EST
+       ICTXT = DESCX( CTXT_ )
+       CALL BLACS_GRIDINFO( ICTXT, NPROW, NPCOL, MYROW, MYCOL )
+ *
+@@ -215,21 +218,21 @@ SUBROUTINE PSLACON( N, V, IV, JV, DESCV, X, IX, JX, DESCX, ISGN,
+       IF( N.EQ.1 ) THEN
+          IF( MYROW.EQ.IVXROW ) THEN
+             V( IOFFVX ) = X( IOFFVX )
+-            EST = ABS( V( IOFFVX ) )
+-            CALL SGEBS2D( ICTXT, 'Columnwise', ' ', 1, 1, EST, 1 )
++            ESTWORK( 1 ) = ABS( V( IOFFVX ) )
++            CALL SGEBS2D( ICTXT, 'Columnwise', ' ', 1, 1, ESTWORK, 1 )
+          ELSE
+-            CALL SGEBR2D( ICTXT, 'Columnwise', ' ', 1, 1, EST, 1,
++            CALL SGEBR2D( ICTXT, 'Columnwise', ' ', 1, 1, ESTWORK, 1,
+      $                    IVXROW, MYCOL )
+          END IF
+ *        ... QUIT
+          GO TO 150
+       END IF
+-      CALL PSASUM( N, EST, X, IX, JX, DESCX, 1 )
++      CALL PSASUM( N, ESTWORK( 1 ), X, IX, JX, DESCX, 1 )
+       IF( DESCX( M_ ).EQ.1 .AND. N.EQ.1 ) THEN
+          IF( MYROW.EQ.IVXROW ) THEN
+-            CALL SGEBS2D( ICTXT, 'Columnwise', ' ', 1, 1, EST, 1 )
++            CALL SGEBS2D( ICTXT, 'Columnwise', ' ', 1, 1, ESTWORK, 1 )
+          ELSE
+-            CALL SGEBR2D( ICTXT, 'Columnwise', ' ', 1, 1, EST, 1,
++            CALL SGEBR2D( ICTXT, 'Columnwise', ' ', 1, 1, ESTWORK, 1,
+      $                    IVXROW, MYCOL )
+          END IF
+       END IF
+@@ -281,13 +284,13 @@ SUBROUTINE PSLACON( N, V, IV, JV, DESCV, X, IX, JX, DESCX, ISGN,
+ *
+    70 CONTINUE
+       CALL SCOPY( NP, X( IOFFVX ), 1, V( IOFFVX ), 1 )
+-      ESTOLD = EST
+-      CALL PSASUM( N, EST, V, IV, JV, DESCV, 1 )
++      ESTOLD = ESTWORK( 1 )
++      CALL PSASUM( N, ESTWORK( 1 ), V, IV, JV, DESCV, 1 )
+       IF( DESCV( M_ ).EQ.1 .AND. N.EQ.1 ) THEN
+          IF( MYROW.EQ.IVXROW ) THEN
+-            CALL SGEBS2D( ICTXT, 'Columnwise', ' ', 1, 1, EST, 1 )
++            CALL SGEBS2D( ICTXT, 'Columnwise', ' ', 1, 1, ESTWORK, 1 )
+          ELSE
+-            CALL SGEBR2D( ICTXT, 'Columnwise', ' ', 1, 1, EST, 1,
++            CALL SGEBR2D( ICTXT, 'Columnwise', ' ', 1, 1, ESTWORK, 1,
+      $                    IVXROW, MYCOL )
+          END IF
+       END IF
+@@ -305,7 +308,7 @@ SUBROUTINE PSLACON( N, V, IV, JV, DESCV, X, IX, JX, DESCX, ISGN,
+ *     REPEATED SIGN VECTOR DETECTED, HENCE ALGORITHM HAS CONVERGED.
+ *     ALONG WITH IT, TEST FOR CYCLING.
+ *
+-      IF( IFLAG.EQ.0 .OR. EST.LE.ESTOLD )
++      IF( IFLAG.EQ.0 .OR. ESTWORK( 1 ).LE.ESTOLD )
+      $   GO TO 120
+ *
+       DO 100 I = IOFFVX, IOFFVX+NP-1
+@@ -361,7 +364,7 @@ SUBROUTINE PSLACON( N, V, IV, JV, DESCV, X, IX, JX, DESCX, ISGN,
+ *     X HAS BEEN OVERWRITTEN BY A*X
+ *
+   140 CONTINUE
+-      CALL PSASUM( N, TEMP, X, IX, JX, DESCX, 1 )
++      CALL PSASUM( N, TEMP( 1 ), X, IX, JX, DESCX, 1 )
+       IF( DESCX( M_ ).EQ.1 .AND. N.EQ.1 ) THEN
+          IF( MYROW.EQ.IVXROW ) THEN
+             CALL SGEBS2D( ICTXT, 'Columnwise', ' ', 1, 1, TEMP, 1 )
+@@ -370,15 +373,16 @@ SUBROUTINE PSLACON( N, V, IV, JV, DESCV, X, IX, JX, DESCX, ISGN,
+      $                    IVXROW, MYCOL )
+          END IF
+       END IF
+-      TEMP = TWO*( TEMP / REAL( 3*N ) )
+-      IF( TEMP.GT.EST ) THEN
++      TEMP( 1 ) = TWO*( TEMP( 1 ) / REAL( 3*N ) )
++      IF( TEMP( 1 ).GT.ESTWORK( 1 ) ) THEN
+          CALL SCOPY( NP, X( IOFFVX ), 1, V( IOFFVX ), 1 )
+-         EST = TEMP
++         ESTWORK( 1 ) = TEMP( 1 )
+       END IF
+ *
+   150 CONTINUE
+       KASE = 0
+ *
++      EST = ESTWORK( 1 )
+       RETURN
+ *
+ *     End of PSLACON
+diff --git a/SRC/pslarf.f b/SRC/pslarf.f
+index c1d3a15..39de0ed 100644
+--- SRC/pslarf.f
++++ SRC/pslarf.f
+@@ -241,7 +241,7 @@ SUBROUTINE PSLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+      $                   IOFFV, IPW, IROFF, IVCOL, IVROW, JJC, JJV, LDC,
+      $                   LDV, MYCOL, MYROW, MP, NCC, NCV, NPCOL, NPROW,
+      $                   NQ, RDEST
+-      REAL               TAULOC
++      REAL               TAULOC( 1 )
+ *     ..
+ *     .. External Subroutines ..
+       EXTERNAL           BLACS_GRIDINFO, INFOG2L, PB_TOPGET, PBSTRNV,
+@@ -335,7 +335,7 @@ SUBROUTINE PSLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                      CALL SGEBS2D( ICTXT, 'Columnwise', ' ', 1, 1,
+      $                             TAU( IIV ), 1 )
+-                     TAULOC = TAU( IIV )
++                     TAULOC( 1 ) = TAU( IIV )
+ *
+                   ELSE
+ *
+@@ -344,7 +344,7 @@ SUBROUTINE PSLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                   END IF
+ *
+-                  IF( TAULOC.NE.ZERO ) THEN
++                  IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                    w := sub( C )' * v
+ *
+@@ -362,8 +362,8 @@ SUBROUTINE PSLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+ *                    sub( C ) := sub( C ) - v * w'
+ *
+-                     CALL SGER( MP, NQ, -TAULOC, WORK, 1, WORK( IPW ),
+-     $                          1, C( IOFFC ), LDC )
++                     CALL SGER( MP, NQ, -TAULOC( 1 ), WORK, 1,
++     $                          WORK( IPW ), 1, C( IOFFC ), LDC )
+                   END IF
+ *
+                END IF
+@@ -378,9 +378,9 @@ SUBROUTINE PSLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                   IF( MYCOL.EQ.ICCOL ) THEN
+ *
+-                     TAULOC = TAU( JJV )
++                     TAULOC( 1 ) = TAU( JJV )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C )' * v
+ *
+@@ -397,8 +397,8 @@ SUBROUTINE PSLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+ *                       sub( C ) := sub( C ) - v * w'
+ *
+-                        CALL SGER( MP, NQ, -TAULOC, V( IOFFV ), 1, WORK,
+-     $                             1, C( IOFFC ), LDC )
++                        CALL SGER( MP, NQ, -TAULOC( 1 ), V( IOFFV ), 1,
++     $                             WORK, 1, C( IOFFC ), LDC )
+                      END IF
+ *
+                   END IF
+@@ -420,9 +420,9 @@ SUBROUTINE PSLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+                      IPW = MP+1
+                      CALL SGERV2D( ICTXT, IPW, 1, WORK, IPW, MYROW,
+      $                             IVCOL )
+-                     TAULOC = WORK( IPW )
++                     TAULOC( 1 ) = WORK( IPW )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C )' * v
+ *
+@@ -440,7 +440,7 @@ SUBROUTINE PSLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+ *                       sub( C ) := sub( C ) - v * w'
+ *
+-                        CALL SGER( MP, NQ, -TAULOC, WORK, 1,
++                        CALL SGER( MP, NQ, -TAULOC( 1 ), WORK, 1,
+      $                             WORK( IPW ), 1, C( IOFFC ), LDC )
+                      END IF
+ *
+@@ -470,7 +470,7 @@ SUBROUTINE PSLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                   CALL SGEBS2D( ICTXT, 'Columnwise', ' ', 1, 1,
+      $                          TAU( IIV ), 1 )
+-                  TAULOC = TAU( IIV )
++                  TAULOC( 1 ) = TAU( IIV )
+ *
+                ELSE
+ *
+@@ -479,7 +479,7 @@ SUBROUTINE PSLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C )' * v
+ *
+@@ -499,8 +499,8 @@ SUBROUTINE PSLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *                 sub( C ) := sub( C ) - v * w'
+ *
+                   IF( IOFFC.GT.0 )
+-     $               CALL SGER( MP, NQ, -TAULOC, WORK, 1, WORK( IPW ),
+-     $                          1, C( IOFFC ), LDC )
++     $               CALL SGER( MP, NQ, -TAULOC( 1 ), WORK, 1,
++     $                          WORK( IPW ), 1, C( IOFFC ), LDC )
+                END IF
+ *
+             ELSE
+@@ -515,18 +515,18 @@ SUBROUTINE PSLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+                   WORK(IPW) = TAU( JJV )
+                   CALL SGEBS2D( ICTXT, 'Rowwise', ROWBTOP, IPW, 1,
+      $                          WORK, IPW )
+-                  TAULOC = TAU( JJV )
++                  TAULOC( 1 ) = TAU( JJV )
+ *
+                ELSE
+ *
+                   IPW = MP+1
+                   CALL SGEBR2D( ICTXT, 'Rowwise', ROWBTOP, IPW, 1, WORK,
+      $                          IPW, MYROW, IVCOL )
+-                  TAULOC = WORK( IPW )
++                  TAULOC( 1 ) = WORK( IPW )
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C )' * v
+ *
+@@ -546,8 +546,8 @@ SUBROUTINE PSLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *                 sub( C ) := sub( C ) - v * w'
+ *
+                   IF( IOFFC.GT.0 )
+-     $               CALL SGER( MP, NQ, -TAULOC, WORK, 1, WORK( IPW ),
+-     $                          1, C( IOFFC ), LDC )
++     $               CALL SGER( MP, NQ, -TAULOC( 1 ), WORK, 1,
++     $                          WORK( IPW ), 1, C( IOFFC ), LDC )
+                END IF
+ *
+             END IF
+@@ -576,9 +576,9 @@ SUBROUTINE PSLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                   IF( MYROW.EQ.ICROW ) THEN
+ *
+-                     TAULOC = TAU( IIV )
++                     TAULOC( 1 ) = TAU( IIV )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C ) * v
+ *
+@@ -596,7 +596,7 @@ SUBROUTINE PSLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *                       sub( C ) := sub( C ) - w * v'
+ *
+                         IF( IOFFV.GT.0 .AND. IOFFC.GT.0 )
+-     $                     CALL SGER( MP, NQ, -TAULOC, WORK, 1,
++     $                     CALL SGER( MP, NQ, -TAULOC( 1 ), WORK, 1,
+      $                                V( IOFFV ), LDV, C( IOFFC ), LDC )
+                      END IF
+ *
+@@ -619,9 +619,9 @@ SUBROUTINE PSLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+                      IPW = NQ+1
+                      CALL SGERV2D( ICTXT, IPW, 1, WORK, IPW, IVROW,
+      $                             MYCOL )
+-                     TAULOC = WORK( IPW )
++                     TAULOC( 1 ) = WORK( IPW )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C ) * v
+ *
+@@ -639,7 +639,7 @@ SUBROUTINE PSLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+ *                       sub( C ) := sub( C ) - w * v'
+ *
+-                        CALL SGER( MP, NQ, -TAULOC, WORK( IPW ), 1,
++                        CALL SGER( MP, NQ, -TAULOC( 1 ), WORK( IPW ), 1,
+      $                             WORK, 1, C( IOFFC ), LDC )
+                      END IF
+ *
+@@ -665,7 +665,7 @@ SUBROUTINE PSLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                      CALL SGEBS2D( ICTXT, 'Rowwise', ' ', 1, 1,
+      $                             TAU( JJV ), 1 )
+-                     TAULOC = TAU( JJV )
++                     TAULOC( 1 ) = TAU( JJV )
+ *
+                   ELSE
+ *
+@@ -674,7 +674,7 @@ SUBROUTINE PSLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                   END IF
+ *
+-                  IF( TAULOC.NE.ZERO ) THEN
++                  IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                    w := sub( C ) * v
+ *
+@@ -692,8 +692,8 @@ SUBROUTINE PSLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+ *                    sub( C ) := sub( C ) - w * v'
+ *
+-                     CALL SGER( MP, NQ, -TAULOC, WORK( IPW ), 1, WORK,
+-     $                          1, C( IOFFC ), LDC )
++                     CALL SGER( MP, NQ, -TAULOC( 1 ), WORK( IPW ), 1
++     $                         , WORK, 1, C( IOFFC ), LDC )
+                   END IF
+ *
+                END IF
+@@ -718,18 +718,18 @@ SUBROUTINE PSLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+                   WORK(IPW) = TAU( IIV )
+                   CALL SGEBS2D( ICTXT, 'Columnwise', COLBTOP, IPW, 1,
+      $                          WORK, IPW )
+-                  TAULOC = TAU( IIV )
++                  TAULOC( 1 ) = TAU( IIV )
+ *
+                ELSE
+ *
+                   IPW = NQ+1
+                   CALL SGEBR2D( ICTXT, 'Columnwise', COLBTOP, IPW, 1,
+      $                          WORK, IPW, IVROW, MYCOL )
+-                  TAULOC = WORK( IPW )
++                  TAULOC( 1 ) = WORK( IPW )
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C ) * v
+ *
+@@ -748,8 +748,8 @@ SUBROUTINE PSLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *                 sub( C ) := sub( C ) - w * v'
+ *
+                   IF( IOFFC.GT.0 )
+-     $               CALL SGER( MP, NQ, -TAULOC, WORK( IPW ), 1, WORK,
+-     $                          1, C( IOFFC ), LDC )
++     $               CALL SGER( MP, NQ, -TAULOC( 1 ), WORK( IPW ), 1,
++     $                          WORK, 1, C( IOFFC ), LDC )
+                END IF
+ *
+             ELSE
+@@ -768,7 +768,7 @@ SUBROUTINE PSLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                   CALL SGEBS2D( ICTXT, 'Rowwise', ' ', 1, 1, TAU( JJV ),
+      $                          1 )
+-                  TAULOC = TAU( JJV )
++                  TAULOC( 1 ) = TAU( JJV )
+ *
+                ELSE
+ *
+@@ -777,7 +777,7 @@ SUBROUTINE PSLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C ) * v
+ *
+@@ -795,8 +795,8 @@ SUBROUTINE PSLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+ *                 sub( C ) := sub( C ) - w * v'
+ *
+-                  CALL SGER( MP, NQ, -TAULOC, WORK( IPW ), 1, WORK, 1,
+-     $                       C( IOFFC ), LDC )
++                  CALL SGER( MP, NQ, -TAULOC( 1 ), WORK( IPW ), 1, WORK,
++     $                       1, C( IOFFC ), LDC )
+                END IF
+ *
+             END IF
+diff --git a/SRC/pslarz.f b/SRC/pslarz.f
+index aa70db7..8901530 100644
+--- SRC/pslarz.f
++++ SRC/pslarz.f
+@@ -250,7 +250,7 @@ SUBROUTINE PSLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+      $                   IVCOL, IVROW, JJC1, JJC2, JJV, LDC, LDV, MPC2,
+      $                   MPV, MYCOL, MYROW, NCC, NCV, NPCOL, NPROW,
+      $                   NQC2, NQV, RDEST
+-      REAL               TAULOC
++      REAL               TAULOC( 1 )
+ *     ..
+ *     .. External Subroutines ..
+       EXTERNAL           BLACS_GRIDINFO, INFOG2L, PB_TOPGET, PBSTRNV,
+@@ -369,7 +369,7 @@ SUBROUTINE PSLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                      CALL SGEBS2D( ICTXT, 'Columnwise', ' ', 1, 1,
+      $                             TAU( IIV ), 1 )
+-                     TAULOC = TAU( IIV )
++                     TAULOC( 1 ) = TAU( IIV )
+ *
+                   ELSE
+ *
+@@ -378,7 +378,7 @@ SUBROUTINE PSLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                   END IF
+ *
+-                  IF( TAULOC.NE.ZERO ) THEN
++                  IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                    w := sub( C )' * v
+ *
+@@ -401,9 +401,9 @@ SUBROUTINE PSLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *                    sub( C ) := sub( C ) - v * w'
+ *
+                      IF( MYROW.EQ.ICROW1 )
+-     $                  CALL SAXPY( NQC2, -TAULOC, WORK( IPW ),
++     $                  CALL SAXPY( NQC2, -TAULOC( 1 ), WORK( IPW ),
+      $                              MAX( 1, NQC2 ), C( IOFFC1 ), LDC )
+-                     CALL SGER( MPV, NQC2, -TAULOC, WORK, 1,
++                     CALL SGER( MPV, NQC2, -TAULOC( 1 ), WORK, 1,
+      $                          WORK( IPW ), 1, C( IOFFC2 ), LDC )
+                   END IF
+ *
+@@ -419,9 +419,9 @@ SUBROUTINE PSLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                   IF( MYCOL.EQ.ICCOL2 ) THEN
+ *
+-                     TAULOC = TAU( JJV )
++                     TAULOC( 1 ) = TAU( JJV )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C )' * v
+ *
+@@ -444,11 +444,11 @@ SUBROUTINE PSLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *                       sub( C ) := sub( C ) - v * w'
+ *
+                         IF( MYROW.EQ.ICROW1 )
+-     $                     CALL SAXPY( NQC2, -TAULOC, WORK,
++     $                     CALL SAXPY( NQC2, -TAULOC( 1 ), WORK,
+      $                                 MAX( 1, NQC2 ), C( IOFFC1 ),
+      $                                 LDC )
+-                        CALL SGER( MPV, NQC2, -TAULOC, V( IOFFV ), 1,
+-     $                             WORK, 1, C( IOFFC2 ), LDC )
++                        CALL SGER( MPV, NQC2, -TAULOC( 1 ), V( IOFFV ),
++     $                             1, WORK, 1, C( IOFFC2 ), LDC )
+                      END IF
+ *
+                   END IF
+@@ -470,9 +470,9 @@ SUBROUTINE PSLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+                      IPW = MPV+1
+                      CALL SGERV2D( ICTXT, IPW, 1, WORK, IPW, MYROW,
+      $                             IVCOL )
+-                     TAULOC = WORK( IPW )
++                     TAULOC( 1 ) = WORK( IPW )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C )' * v
+ *
+@@ -495,10 +495,10 @@ SUBROUTINE PSLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *                       sub( C ) := sub( C ) - v * w'
+ *
+                         IF( MYROW.EQ.ICROW1 )
+-     $                     CALL SAXPY( NQC2, -TAULOC, WORK( IPW ),
++     $                     CALL SAXPY( NQC2, -TAULOC( 1 ), WORK( IPW ),
+      $                                 MAX( 1, NQC2 ), C( IOFFC1 ),
+      $                                 LDC )
+-                        CALL SGER( MPV, NQC2, -TAULOC, WORK, 1,
++                        CALL SGER( MPV, NQC2, -TAULOC( 1 ), WORK, 1,
+      $                             WORK( IPW ), 1, C( IOFFC2 ), LDC )
+                      END IF
+ *
+@@ -529,7 +529,7 @@ SUBROUTINE PSLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                   CALL SGEBS2D( ICTXT, 'Columnwise', ' ', 1, 1,
+      $                          TAU( IIV ), 1 )
+-                  TAULOC = TAU( IIV )
++                  TAULOC( 1 ) = TAU( IIV )
+ *
+                ELSE
+ *
+@@ -538,7 +538,7 @@ SUBROUTINE PSLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C )' * v
+ *
+@@ -561,10 +561,10 @@ SUBROUTINE PSLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *                 sub( C ) := sub( C ) - v * w'
+ *
+                   IF( MYROW.EQ.ICROW1 )
+-     $               CALL SAXPY( NQC2, -TAULOC, WORK( IPW ),
++     $               CALL SAXPY( NQC2, -TAULOC( 1 ), WORK( IPW ),
+      $                           MAX( 1, NQC2 ), C( IOFFC1 ), LDC )
+-                  CALL SGER( MPV, NQC2, -TAULOC, WORK, 1, WORK( IPW ),
+-     $                       1, C( IOFFC2 ), LDC )
++                  CALL SGER( MPV, NQC2, -TAULOC( 1 ), WORK, 1,
++     $                       WORK( IPW ), 1, C( IOFFC2 ), LDC )
+                END IF
+ *
+             ELSE
+@@ -579,18 +579,18 @@ SUBROUTINE PSLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+                   WORK( IPW ) = TAU( JJV )
+                   CALL SGEBS2D( ICTXT, 'Rowwise', ROWBTOP, IPW, 1,
+      $                          WORK, IPW )
+-                  TAULOC = TAU( JJV )
++                  TAULOC( 1 ) = TAU( JJV )
+ *
+                ELSE
+ *
+                   IPW = MPV+1
+                   CALL SGEBR2D( ICTXT, 'Rowwise', ROWBTOP, IPW, 1, WORK,
+      $                          IPW, MYROW, IVCOL )
+-                  TAULOC = WORK( IPW )
++                  TAULOC( 1 ) = WORK( IPW )
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C )' * v
+ *
+@@ -613,10 +613,10 @@ SUBROUTINE PSLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *                 sub( C ) := sub( C ) - v * w'
+ *
+                   IF( MYROW.EQ.ICROW1 )
+-     $               CALL SAXPY( NQC2, -TAULOC, WORK( IPW ),
++     $               CALL SAXPY( NQC2, -TAULOC( 1 ), WORK( IPW ),
+      $                           MAX( 1, NQC2 ), C( IOFFC1 ), LDC )
+-                  CALL SGER( MPV, NQC2, -TAULOC, WORK, 1, WORK( IPW ),
+-     $                       1, C( IOFFC2 ), LDC )
++                  CALL SGER( MPV, NQC2, -TAULOC( 1 ), WORK, 1,
++     $                       WORK( IPW ), 1, C( IOFFC2 ), LDC )
+                END IF
+ *
+             END IF
+@@ -645,9 +645,9 @@ SUBROUTINE PSLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                   IF( MYROW.EQ.ICROW2 ) THEN
+ *
+-                     TAULOC = TAU( IIV )
++                     TAULOC( 1 ) = TAU( IIV )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C ) * v
+ *
+@@ -668,13 +668,13 @@ SUBROUTINE PSLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+      $                               ICCOL2 )
+ *
+                         IF( MYCOL.EQ.ICCOL1 )
+-     $                     CALL SAXPY( MPC2, -TAULOC, WORK, 1,
++     $                     CALL SAXPY( MPC2, -TAULOC( 1 ), WORK, 1,
+      $                                 C( IOFFC1 ), 1 )
+ *
+ *                       sub( C ) := sub( C ) - w * v'
+ *
+                         IF( MPC2.GT.0 .AND. NQV.GT.0 )
+-     $                     CALL SGER( MPC2, NQV, -TAULOC, WORK, 1,
++     $                     CALL SGER( MPC2, NQV, -TAULOC( 1 ), WORK, 1,
+      $                                V( IOFFV ), LDV, C( IOFFC2 ),
+      $                                LDC )
+                      END IF
+@@ -698,9 +698,9 @@ SUBROUTINE PSLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+                      IPW = NQV+1
+                      CALL SGERV2D( ICTXT, IPW, 1, WORK, IPW, IVROW,
+      $                             MYCOL )
+-                     TAULOC = WORK( IPW )
++                     TAULOC( 1 ) = WORK( IPW )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C ) * v
+ *
+@@ -719,13 +719,13 @@ SUBROUTINE PSLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+      $                                WORK( IPW ), MAX( 1, MPC2 ),
+      $                                RDEST, ICCOL2 )
+                         IF( MYCOL.EQ.ICCOL1 )
+-     $                     CALL SAXPY( MPC2, -TAULOC, WORK( IPW ), 1,
+-     $                                 C( IOFFC1 ), 1 )
++     $                     CALL SAXPY( MPC2, -TAULOC( 1 ), WORK( IPW ),
++     $                                 1, C( IOFFC1 ), 1 )
+ *
+ *                       sub( C ) := sub( C ) - w * v'
+ *
+-                        CALL SGER( MPC2, NQV, -TAULOC, WORK( IPW ), 1,
+-     $                             WORK, 1, C( IOFFC2 ), LDC )
++                        CALL SGER( MPC2, NQV, -TAULOC( 1 ), WORK( IPW ),
++     $                             1, WORK, 1, C( IOFFC2 ), LDC )
+                      END IF
+ *
+                   END IF
+@@ -750,7 +750,7 @@ SUBROUTINE PSLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                      CALL SGEBS2D( ICTXT, 'Rowwise', ' ', 1, 1,
+      $                             TAU( JJV ), 1 )
+-                     TAULOC = TAU( JJV )
++                     TAULOC( 1 ) = TAU( JJV )
+ *
+                   ELSE
+ *
+@@ -759,7 +759,7 @@ SUBROUTINE PSLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                   END IF
+ *
+-                  IF( TAULOC.NE.ZERO ) THEN
++                  IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                    w := sub( C ) * v
+ *
+@@ -778,12 +778,12 @@ SUBROUTINE PSLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+      $                             WORK( IPW ), MAX( 1, MPC2 ), RDEST,
+      $                             ICCOL2 )
+                      IF( MYCOL.EQ.ICCOL1 )
+-     $                  CALL SAXPY( MPC2, -TAULOC, WORK( IPW ), 1,
++     $                  CALL SAXPY( MPC2, -TAULOC( 1 ), WORK( IPW ), 1,
+      $                              C( IOFFC1 ), 1 )
+ *
+ *                    sub( C ) := sub( C ) - w * v'
+ *
+-                     CALL SGER( MPC2, NQV, -TAULOC, WORK( IPW ), 1,
++                     CALL SGER( MPC2, NQV, -TAULOC( 1 ), WORK( IPW ), 1,
+      $                          WORK, 1, C( IOFFC2 ), LDC )
+                   END IF
+ *
+@@ -808,18 +808,18 @@ SUBROUTINE PSLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+                   WORK( IPW ) = TAU( IIV )
+                   CALL SGEBS2D( ICTXT, 'Columnwise', COLBTOP, IPW, 1,
+      $                          WORK, IPW )
+-                  TAULOC = TAU( IIV )
++                  TAULOC( 1 ) = TAU( IIV )
+ *
+                ELSE
+ *
+                   IPW = NQV+1
+                   CALL SGEBR2D( ICTXT, 'Columnwise', COLBTOP, IPW, 1,
+      $                          WORK, IPW, IVROW, MYCOL )
+-                  TAULOC = WORK( IPW )
++                  TAULOC( 1 ) = WORK( IPW )
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C ) * v
+ *
+@@ -839,13 +839,13 @@ SUBROUTINE PSLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+      $                          WORK( IPW ), MAX( 1, MPC2 ), RDEST,
+      $                          ICCOL2 )
+                   IF( MYCOL.EQ.ICCOL1 )
+-     $               CALL SAXPY( MPC2, -TAULOC, WORK( IPW ), 1,
++     $               CALL SAXPY( MPC2, -TAULOC( 1 ), WORK( IPW ), 1,
+      $                           C( IOFFC1 ), 1 )
+ *
+ *                 sub( C ) := sub( C ) - w * v'
+ *
+-                  CALL SGER( MPC2, NQV, -TAULOC, WORK( IPW ), 1, WORK,
+-     $                       1, C( IOFFC2 ), LDC )
++                  CALL SGER( MPC2, NQV, -TAULOC( 1 ), WORK( IPW ), 1,
++     $                       WORK, 1, C( IOFFC2 ), LDC )
+                END IF
+ *
+             ELSE
+@@ -864,7 +864,7 @@ SUBROUTINE PSLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                   CALL SGEBS2D( ICTXT, 'Rowwise', ' ', 1, 1, TAU( JJV ),
+      $                          1 )
+-                  TAULOC = TAU( JJV )
++                  TAULOC( 1 ) = TAU( JJV )
+ *
+                ELSE
+ *
+@@ -873,7 +873,7 @@ SUBROUTINE PSLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C ) * v
+ *
+@@ -892,13 +892,13 @@ SUBROUTINE PSLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+      $                          WORK( IPW ), MAX( 1, MPC2 ), RDEST,
+      $                          ICCOL2 )
+                   IF( MYCOL.EQ.ICCOL1 )
+-     $               CALL SAXPY( MPC2, -TAULOC, WORK( IPW ), 1,
++     $               CALL SAXPY( MPC2, -TAULOC( 1 ), WORK( IPW ), 1,
+      $                           C( IOFFC1 ), 1 )
+ *
+ *                 sub( C ) := sub( C ) - w * v'
+ *
+-                  CALL SGER( MPC2, NQV, -TAULOC, WORK( IPW ), 1, WORK,
+-     $                       1, C( IOFFC2 ), LDC )
++                  CALL SGER( MPC2, NQV, -TAULOC( 1 ), WORK( IPW ), 1,
++     $                       WORK, 1, C( IOFFC2 ), LDC )
+                END IF
+ *
+             END IF
+diff --git a/SRC/pslawil.f b/SRC/pslawil.f
+index e04c16b..671e08e 100644
+--- SRC/pslawil.f
++++ SRC/pslawil.f
+@@ -120,10 +120,14 @@ SUBROUTINE PSLAWIL( II, JJ, M, A, DESCA, H44, H33, H43H34, V )
+       INTEGER            CONTXT, DOWN, HBL, ICOL, IROW, JSRC, LDA, LEFT,
+      $                   MODKM1, MYCOL, MYROW, NPCOL, NPROW, NUM, RIGHT,
+      $                   RSRC, UP
+-      REAL               H11, H12, H21, H22, H33S, H44S, S, V1, V2, V3
++      REAL               H22, H33S, H44S, S, V1, V2
+ *     ..
+ *     .. Local Arrays ..
+       REAL               BUF( 4 )
++      REAL               H11( 1 )
++      REAL               H12( 1 )
++      REAL               H21( 1 )
++      REAL               V3( 1 )
+ *     ..
+ *     .. External Subroutines ..
+       EXTERNAL           BLACS_GRIDINFO, SGERV2D, SGESD2D, INFOG2L
+@@ -170,18 +174,18 @@ SUBROUTINE PSLAWIL( II, JJ, M, A, DESCA, H44, H33, H43H34, V )
+             IF( NPCOL.GT.1 ) THEN
+                CALL SGERV2D( CONTXT, 1, 1, V3, 1, MYROW, LEFT )
+             ELSE
+-               V3 = A( ( ICOL-2 )*LDA+IROW )
++               V3( 1 ) = A( ( ICOL-2 )*LDA+IROW )
+             END IF
+             IF( NUM.GT.1 ) THEN
+                CALL SGERV2D( CONTXT, 4, 1, BUF, 4, UP, LEFT )
+-               H11 = BUF( 1 )
+-               H21 = BUF( 2 )
+-               H12 = BUF( 3 )
++               H11( 1 ) = BUF( 1 )
++               H21( 1 ) = BUF( 2 )
++               H12( 1 ) = BUF( 3 )
+                H22 = BUF( 4 )
+             ELSE
+-               H11 = A( ( ICOL-3 )*LDA+IROW-2 )
+-               H21 = A( ( ICOL-3 )*LDA+IROW-1 )
+-               H12 = A( ( ICOL-2 )*LDA+IROW-2 )
++               H11( 1 ) = A( ( ICOL-3 )*LDA+IROW-2 )
++               H21( 1 ) = A( ( ICOL-3 )*LDA+IROW-1 )
++               H12( 1 ) = A( ( ICOL-2 )*LDA+IROW-2 )
+                H22 = A( ( ICOL-2 )*LDA+IROW-1 )
+             END IF
+          END IF
+@@ -214,20 +218,20 @@ SUBROUTINE PSLAWIL( II, JJ, M, A, DESCA, H44, H33, H43H34, V )
+             IF( NUM.GT.1 ) THEN
+                CALL SGERV2D( CONTXT, 1, 1, H11, 1, UP, LEFT )
+             ELSE
+-               H11 = A( ( ICOL-3 )*LDA+IROW-2 )
++               H11( 1 ) = A( ( ICOL-3 )*LDA+IROW-2 )
+             END IF
+             IF( NPROW.GT.1 ) THEN
+                CALL SGERV2D( CONTXT, 1, 1, H12, 1, UP, MYCOL )
+             ELSE
+-               H12 = A( ( ICOL-2 )*LDA+IROW-2 )
++               H12( 1 ) = A( ( ICOL-2 )*LDA+IROW-2 )
+             END IF
+             IF( NPCOL.GT.1 ) THEN
+                CALL SGERV2D( CONTXT, 1, 1, H21, 1, MYROW, LEFT )
+             ELSE
+-               H21 = A( ( ICOL-3 )*LDA+IROW-1 )
++               H21( 1 ) = A( ( ICOL-3 )*LDA+IROW-1 )
+             END IF
+             H22 = A( ( ICOL-2 )*LDA+IROW-1 )
+-            V3 = A( ( ICOL-2 )*LDA+IROW )
++            V3( 1 ) = A( ( ICOL-2 )*LDA+IROW )
+          END IF
+       END IF
+       IF( ( MYROW.NE.II ) .OR. ( MYCOL.NE.JJ ) )
+@@ -236,24 +240,24 @@ SUBROUTINE PSLAWIL( II, JJ, M, A, DESCA, H44, H33, H43H34, V )
+       IF( MODKM1.GT.1 ) THEN
+          CALL INFOG2L( M+2, M+2, DESCA, NPROW, NPCOL, MYROW, MYCOL,
+      $                 IROW, ICOL, RSRC, JSRC )
+-         H11 = A( ( ICOL-3 )*LDA+IROW-2 )
+-         H21 = A( ( ICOL-3 )*LDA+IROW-1 )
+-         H12 = A( ( ICOL-2 )*LDA+IROW-2 )
++         H11( 1 ) = A( ( ICOL-3 )*LDA+IROW-2 )
++         H21( 1 ) = A( ( ICOL-3 )*LDA+IROW-1 )
++         H12( 1 ) = A( ( ICOL-2 )*LDA+IROW-2 )
+          H22 = A( ( ICOL-2 )*LDA+IROW-1 )
+-         V3 = A( ( ICOL-2 )*LDA+IROW )
++         V3( 1 ) = A( ( ICOL-2 )*LDA+IROW )
+       END IF
+ *
+-      H44S = H44 - H11
+-      H33S = H33 - H11
+-      V1 = ( H33S*H44S-H43H34 ) / H21 + H12
+-      V2 = H22 - H11 - H33S - H44S
+-      S = ABS( V1 ) + ABS( V2 ) + ABS( V3 )
++      H44S = H44 - H11( 1 )
++      H33S = H33 - H11( 1 )
++      V1 = ( H33S*H44S-H43H34 ) / H21( 1 ) + H12( 1 )
++      V2 = H22 - H11( 1 ) - H33S - H44S
++      S = ABS( V1 ) + ABS( V2 ) + ABS( V3( 1 ) )
+       V1 = V1 / S
+       V2 = V2 / S
+-      V3 = V3 / S
++      V3( 1 ) = V3( 1 ) / S
+       V( 1 ) = V1
+       V( 2 ) = V2
+-      V( 3 ) = V3
++      V( 3 ) = V3( 1 )
+ *
+       RETURN
+ *
+diff --git a/SRC/psstebz.f b/SRC/psstebz.f
+index a8a2496..7e588a9 100644
+--- SRC/psstebz.f
++++ SRC/psstebz.f
+@@ -244,14 +244,14 @@ SUBROUTINE PSSTEBZ( ICTXT, RANGE, ORDER, N, VL, VU, IL, IU,
+      $                   ITMP2, J, JB, K, LAST, LEXTRA, LREQ, MYCOL,
+      $                   MYROW, NALPHA, NBETA, NCMP, NEIGINT, NEXT, NGL,
+      $                   NGLOB, NGU, NINT, NPCOL, NPROW, OFFSET,
+-     $                   ONEDCONTEXT, P, PREV, REXTRA, RREQ, SELF,
+-     $                   TORECV
++     $                   ONEDCONTEXT, P, PREV, REXTRA, RREQ, SELF
+       REAL               ALPHA, ATOLI, BETA, BNORM, DRECV, DSEND, GL,
+      $                   GU, INITVL, INITVU, LSAVE, MID, PIVMIN, RELTOL,
+      $                   SAFEMN, TMP1, TMP2, TNORM, ULP
+ *     ..
+ *     .. Local Arrays ..
+       INTEGER            IDUM( 5, 2 )
++      INTEGER            TORECV( 1, 1 )
+ *     ..
+ *     .. Executable Statements ..
+ *       This is just to keep ftnchek happy
+@@ -774,14 +774,14 @@ SUBROUTINE PSSTEBZ( ICTXT, RANGE, ORDER, N, VL, VU, IL, IU,
+          ELSE
+             CALL IGEBR2D( ONEDCONTEXT, 'ALL', ' ', 1, 1, TORECV, 1, 0,
+      $                    I-1 )
+-            IF( TORECV.NE.0 ) THEN
+-               CALL IGEBR2D( ONEDCONTEXT, 'ALL', ' ', TORECV, 1, IWORK,
+-     $                       TORECV, 0, I-1 )
+-               CALL SGEBR2D( ONEDCONTEXT, 'ALL', ' ', TORECV, 1, WORK,
+-     $                       TORECV, 0, I-1 )
+-               CALL IGEBR2D( ONEDCONTEXT, 'ALL', ' ', TORECV, 1,
+-     $                       IWORK( N+1 ), TORECV, 0, I-1 )
+-               DO 120 J = 1, TORECV
++            IF( TORECV( 1, 1 ).NE.0 ) THEN
++               CALL IGEBR2D( ONEDCONTEXT, 'ALL', ' ', TORECV( 1, 1 ), 1,
++     $                       IWORK, TORECV( 1, 1 ), 0, I-1 )
++               CALL SGEBR2D( ONEDCONTEXT, 'ALL', ' ', TORECV( 1, 1 ), 1,
++     $                       WORK, TORECV( 1, 1 ), 0, I-1 )
++               CALL IGEBR2D( ONEDCONTEXT, 'ALL', ' ', TORECV( 1, 1 ), 1,
++     $                       IWORK( N+1 ), TORECV( 1, 1 ), 0, I-1 )
++               DO 120 J = 1, TORECV( 1, 1 )
+                   W( IWORK( J ) ) = WORK( J )
+                   IBLOCK( IWORK( J ) ) = IWORK( N+J )
+   120          CONTINUE
+diff --git a/SRC/pstrord.f b/SRC/pstrord.f
+index 3562242..5cdb549 100644
+--- SRC/pstrord.f
++++ SRC/pstrord.f
+@@ -328,12 +328,13 @@ SUBROUTINE PSTRORD( COMPQ, SELECT, PARA, N, T, IT, JT,
+      $                   EAST, WEST, ILOC4, SOUTH, NORTH, INDXS,
+      $                   ITT, JTT, ILEN, DLEN, INDXE, TRSRC1, TCSRC1,
+      $                   TRSRC2, TCSRC2, ILOS, DIR, TLIHI, TLILO, TLSEL,
+-     $                   ROUND, LAST, WIN0S, WIN0E, WINE, MMAX, MMIN
++     $                   ROUND, LAST, WIN0S, WIN0E, WINE
+       REAL               ELEM, ELEM1, ELEM2, ELEM3, ELEM4, SN, CS, TMP,
+      $                   ELEM5
+ *     ..
+ *     .. Local Arrays ..
+-      INTEGER            IBUFF( 8 ), IDUM1( 1 ), IDUM2( 1 )
++      INTEGER            IBUFF( 8 ), IDUM1( 1 ), IDUM2( 1 ), MMAX( 1 ),
++     $                    MMIN( 1 ), INFODUM( 1 )
+ *     ..
+ *     .. External Functions ..
+       LOGICAL            LSAME
+@@ -483,16 +484,16 @@ SUBROUTINE PSTRORD( COMPQ, SELECT, PARA, N, T, IT, JT,
+                END IF
+                IF( SELECT(K).NE.0 ) M = M + 1
+  10         CONTINUE
+-            MMAX = M
+-            MMIN = M
++            MMAX( 1 ) = M
++            MMIN( 1 ) = M
+             IF( NPROCS.GT.1 )
+      $         CALL IGAMX2D( ICTXT, 'All', TOP, 1, 1, MMAX, 1, -1,
+      $              -1, -1, -1, -1 )
+             IF( NPROCS.GT.1 )
+      $         CALL IGAMN2D( ICTXT, 'All', TOP, 1, 1, MMIN, 1, -1,
+      $              -1, -1, -1, -1 )
+-            IF( MMAX.GT.MMIN ) THEN
+-               M = MMAX
++            IF( MMAX( 1 ).GT.MMIN( 1 ) ) THEN
++               M = MMAX( 1 )
+                IF( NPROCS.GT.1 )
+      $            CALL IGAMX2D( ICTXT, 'All', TOP, N, 1, SELECT, N,
+      $                 -1, -1, -1, -1, -1 )
+@@ -520,9 +521,11 @@ SUBROUTINE PSTRORD( COMPQ, SELECT, PARA, N, T, IT, JT,
+ *
+ *     Global maximum on info.
+ *
+-      IF( NPROCS.GT.1 )
+-     $   CALL IGAMX2D( ICTXT, 'All', TOP, 1, 1, INFO, 1, -1, -1, -1,
+-     $        -1, -1 )
++      IF( NPROCS.GT.1 ) THEN
++            CALL IGAMX2D( ICTXT, 'All', TOP, 1, 1, INFODUM, 1, -1, -1,
++     $        -1, -1, -1 )
++            INFO = INFODUM( 1 )
++      END IF
+ *
+ *     Return if some argument is incorrect.
+ *
+@@ -1576,9 +1579,11 @@ SUBROUTINE PSTRORD( COMPQ, SELECT, PARA, N, T, IT, JT,
+ *        experienced a failure in the reordering.
+ *
+          MYIERR = IERR
+-         IF( NPROCS.GT.1 )
+-     $      CALL IGAMX2D( ICTXT, 'All', TOP, 1, 1, IERR, 1, -1,
++         IF( NPROCS.GT.1 ) THEN
++            CALL IGAMX2D( ICTXT, 'All', TOP, 1, 1, INFODUM, 1, -1,
+      $           -1, -1, -1, -1 )
++            IERR = INFODUM( 1 )
++         END IF
+ *
+          IF( IERR.NE.0 ) THEN
+ *
+@@ -1586,9 +1591,11 @@ SUBROUTINE PSTRORD( COMPQ, SELECT, PARA, N, T, IT, JT,
+ *           to swap.
+ *
+             IF( MYIERR.NE.0 ) INFO = MAX(1,I+KKS-1)
+-            IF( NPROCS.GT.1 )
+-     $         CALL IGAMX2D( ICTXT, 'All', TOP, 1, 1, INFO, 1, -1,
++            IF( NPROCS.GT.1 ) THEN
++               CALL IGAMX2D( ICTXT, 'All', TOP, 1, 1, INFODUM, 1, -1,
+      $              -1, -1, -1, -1 )
++               INFO = INFODUM( 1 )
++            END IF
+             GO TO 300
+          END IF
+ *
+@@ -3245,9 +3252,11 @@ SUBROUTINE PSTRORD( COMPQ, SELECT, PARA, N, T, IT, JT,
+ *        experienced a failure in the reordering.
+ *
+          MYIERR = IERR
+-         IF( NPROCS.GT.1 )
+-     $      CALL IGAMX2D( ICTXT, 'All', TOP, 1, 1, IERR, 1, -1,
++         IF( NPROCS.GT.1 ) THEN
++            CALL IGAMX2D( ICTXT, 'All', TOP, 1, 1, INFODUM, 1, -1,
+      $           -1, -1, -1, -1 )
++            IERR = INFODUM( 1 )
++         END IF
+ *
+          IF( IERR.NE.0 ) THEN
+ *
+@@ -3255,9 +3264,11 @@ SUBROUTINE PSTRORD( COMPQ, SELECT, PARA, N, T, IT, JT,
+ *           to swap.
+ *
+             IF( MYIERR.NE.0 ) INFO = MAX(1,I+KKS-1)
+-            IF( NPROCS.GT.1 )
+-     $         CALL IGAMX2D( ICTXT, 'All', TOP, 1, 1, INFO, 1, -1,
++            IF( NPROCS.GT.1 ) THEN
++               CALL IGAMX2D( ICTXT, 'All', TOP, 1, 1, INFODUM, 1, -1,
+      $              -1, -1, -1, -1 )
++               INFO = INFODUM( 1 )
++            END IF
+             GO TO 300
+          END IF
+ *
+diff --git a/SRC/pstrsen.f b/SRC/pstrsen.f
+index 6219bdb..1922e8f 100644
+--- SRC/pstrsen.f
++++ SRC/pstrsen.f
+@@ -354,13 +354,15 @@ SUBROUTINE PSTRSEN( JOB, COMPQ, SELECT, PARA, N, T, IT, JT,
+       LOGICAL            LQUERY, WANTBH, WANTQ, WANTS, WANTSP
+       INTEGER            ICOFFT12, ICTXT, IDUM1, IDUM2, IERR, ILOC1,
+      $                   IPW1, ITER, ITT, JLOC1, JTT, K, LIWMIN, LLDT,
+-     $                   LLDQ, LWMIN, MMAX, MMIN, MYROW, MYCOL, N1, N2,
++     $                   LLDQ, LWMIN, MYROW, MYCOL, N1, N2,
+      $                   NB, NOEXSY, NPCOL, NPROCS, NPROW, SPACE,
+      $                   T12ROWS, T12COLS, TCOLS, TCSRC, TROWS, TRSRC,
+      $                   WRK1, IWRK1, WRK2, IWRK2, WRK3, IWRK3
+-      REAL               DPDUM1, ELEM, EST, SCALE, RNORM
++      REAL               ELEM, EST, SCALE, RNORM
+ *     .. Local Arrays ..
+-      INTEGER            DESCT12( DLEN_ ), MBNB2( 2 )
++      INTEGER            DESCT12( DLEN_ ), MBNB2( 2 ), MMAX( 1 ),
++     $                   MMIN( 1 ), INFODUM( 1 )
++      REAL               DPDUM1( 1 )
+ *     ..
+ *     .. External Functions ..
+       LOGICAL            LSAME
+@@ -521,16 +523,16 @@ SUBROUTINE PSTRSEN( JOB, COMPQ, SELECT, PARA, N, T, IT, JT,
+                END IF
+                IF( SELECT(K) ) M = M + 1
+  10         CONTINUE
+-            MMAX = M
+-            MMIN = M
++            MMAX( 1 ) = M
++            MMIN( 1 ) = M
+             IF( NPROCS.GT.1 )
+      $           CALL IGAMX2D( ICTXT, 'All', TOP, 1, 1, MMAX, 1, -1,
+      $                -1, -1, -1, -1 )
+             IF( NPROCS.GT.1 )
+      $           CALL IGAMN2D( ICTXT, 'All', TOP, 1, 1, MMIN, 1, -1,
+      $                -1, -1, -1, -1 )
+-            IF( MMAX.GT.MMIN ) THEN
+-               M = MMAX
++            IF( MMAX( 1 ).GT.MMIN( 1 ) ) THEN
++               M = MMAX( 1 )
+                IF( NPROCS.GT.1 )
+      $              CALL IGAMX2D( ICTXT, 'All', TOP, N, 1, IWORK, N,
+      $                   -1, -1, -1, -1, -1 )
+@@ -602,9 +604,11 @@ SUBROUTINE PSTRSEN( JOB, COMPQ, SELECT, PARA, N, T, IT, JT,
+ *
+ *     Global maximum on info
+ *
+-      IF( NPROCS.GT.1 )
+-     $     CALL IGAMX2D( ICTXT, 'All', TOP, 1, 1, INFO, 1, -1, -1, -1,
++      IF( NPROCS.GT.1 ) THEN
++         CALL IGAMX2D( ICTXT, 'All', TOP, 1, 1, INFODUM, 1, -1, -1, -1,
+      $          -1, -1 )
++         INFO = INFODUM( 1 )
++      END IF
+ *
+ *     Return if some argument is incorrect
+ *
+diff --git a/SRC/pzlarf.f b/SRC/pzlarf.f
+index df65912..7bff287 100644
+--- SRC/pzlarf.f
++++ SRC/pzlarf.f
+@@ -242,7 +242,7 @@ SUBROUTINE PZLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+      $                   IOFFV, IPW, IROFF, IVCOL, IVROW, JJC, JJV, LDC,
+      $                   LDV, MYCOL, MYROW, MP, NCC, NCV, NPCOL, NPROW,
+      $                   NQ, RDEST
+-      COMPLEX*16         TAULOC
++      COMPLEX*16         TAULOC( 1 )
+ *     ..
+ *     .. External Subroutines ..
+       EXTERNAL           BLACS_GRIDINFO, INFOG2L, PB_TOPGET, PBZTRNV,
+@@ -336,7 +336,7 @@ SUBROUTINE PZLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                      CALL ZGEBS2D( ICTXT, 'Columnwise', ' ', 1, 1,
+      $                             TAU( IIV ), 1 )
+-                     TAULOC = TAU( IIV )
++                     TAULOC( 1 ) = TAU( IIV )
+ *
+                   ELSE
+ *
+@@ -345,7 +345,7 @@ SUBROUTINE PZLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                   END IF
+ *
+-                  IF( TAULOC.NE.ZERO ) THEN
++                  IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                    w := sub( C )' * v
+ *
+@@ -363,8 +363,8 @@ SUBROUTINE PZLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+ *                    sub( C ) := sub( C ) - v * w'
+ *
+-                     CALL ZGERC( MP, NQ, -TAULOC, WORK, 1, WORK( IPW ),
+-     $                           1, C( IOFFC ), LDC )
++                     CALL ZGERC( MP, NQ, -TAULOC( 1 ), WORK, 1,
++     $                           WORK( IPW ), 1, C( IOFFC ), LDC )
+                   END IF
+ *
+                END IF
+@@ -379,9 +379,9 @@ SUBROUTINE PZLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                   IF( MYCOL.EQ.ICCOL ) THEN
+ *
+-                     TAULOC = TAU( JJV )
++                     TAULOC( 1 ) = TAU( JJV )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C )' * v
+ *
+@@ -398,7 +398,7 @@ SUBROUTINE PZLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+ *                       sub( C ) := sub( C ) - v * w'
+ *
+-                        CALL ZGERC( MP, NQ, -TAULOC, V( IOFFV ), 1,
++                        CALL ZGERC( MP, NQ, -TAULOC( 1 ), V( IOFFV ), 1,
+      $                              WORK, 1, C( IOFFC ), LDC )
+                      END IF
+ *
+@@ -421,9 +421,9 @@ SUBROUTINE PZLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+                      IPW = MP+1
+                      CALL ZGERV2D( ICTXT, IPW, 1, WORK, IPW, MYROW,
+      $                             IVCOL )
+-                     TAULOC = WORK( IPW )
++                     TAULOC( 1 ) = WORK( IPW )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C )' * v
+ *
+@@ -441,7 +441,7 @@ SUBROUTINE PZLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+ *                       sub( C ) := sub( C ) - v * w'
+ *
+-                        CALL ZGERC( MP, NQ, -TAULOC, WORK, 1,
++                        CALL ZGERC( MP, NQ, -TAULOC( 1 ), WORK, 1,
+      $                              WORK( IPW ), 1, C( IOFFC ), LDC )
+                      END IF
+ *
+@@ -471,7 +471,7 @@ SUBROUTINE PZLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                   CALL ZGEBS2D( ICTXT, 'Columnwise', ' ', 1, 1,
+      $                          TAU( IIV ), 1 )
+-                  TAULOC = TAU( IIV )
++                  TAULOC( 1 ) = TAU( IIV )
+ *
+                ELSE
+ *
+@@ -480,7 +480,7 @@ SUBROUTINE PZLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C )' * v
+ *
+@@ -500,8 +500,8 @@ SUBROUTINE PZLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *                 sub( C ) := sub( C ) - v * w'
+ *
+                   IF( IOFFC.GT.0 )
+-     $               CALL ZGERC( MP, NQ, -TAULOC, WORK, 1, WORK( IPW ),
+-     $                           1, C( IOFFC ), LDC )
++     $               CALL ZGERC( MP, NQ, -TAULOC( 1 ), WORK, 1,
++     $                           WORK( IPW ), 1, C( IOFFC ), LDC )
+                END IF
+ *
+             ELSE
+@@ -516,18 +516,18 @@ SUBROUTINE PZLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+                   WORK(IPW) = TAU( JJV )
+                   CALL ZGEBS2D( ICTXT, 'Rowwise', ROWBTOP, IPW, 1,
+      $                          WORK, IPW )
+-                  TAULOC = TAU( JJV )
++                  TAULOC( 1 ) = TAU( JJV )
+ *
+                ELSE
+ *
+                   IPW = MP+1
+                   CALL ZGEBR2D( ICTXT, 'Rowwise', ROWBTOP, IPW, 1, WORK,
+      $                          IPW, MYROW, IVCOL )
+-                  TAULOC = WORK( IPW )
++                  TAULOC( 1 ) = WORK( IPW )
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C )' * v
+ *
+@@ -547,8 +547,8 @@ SUBROUTINE PZLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *                 sub( C ) := sub( C ) - v * w'
+ *
+                   IF( IOFFC.GT.0 )
+-     $               CALL ZGERC( MP, NQ, -TAULOC, WORK, 1, WORK( IPW ),
+-     $                           1, C( IOFFC ), LDC )
++     $               CALL ZGERC( MP, NQ, -TAULOC( 1 ), WORK, 1,
++     $                           WORK( IPW ), 1, C( IOFFC ), LDC )
+                END IF
+ *
+             END IF
+@@ -577,9 +577,9 @@ SUBROUTINE PZLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                   IF( MYROW.EQ.ICROW ) THEN
+ *
+-                     TAULOC = TAU( IIV )
++                     TAULOC( 1 ) = TAU( IIV )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C ) * v
+ *
+@@ -597,7 +597,7 @@ SUBROUTINE PZLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *                       sub( C ) := sub( C ) - w * v'
+ *
+                         IF( IOFFV.GT.0 .AND. IOFFC.GT.0 )
+-     $                     CALL ZGERC( MP, NQ, -TAULOC, WORK, 1,
++     $                     CALL ZGERC( MP, NQ, -TAULOC( 1 ), WORK, 1,
+      $                                 V( IOFFV ), LDV, C( IOFFC ),
+      $                                 LDC )
+                      END IF
+@@ -621,9 +621,9 @@ SUBROUTINE PZLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+                      IPW = NQ+1
+                      CALL ZGERV2D( ICTXT, IPW, 1, WORK, IPW, IVROW,
+      $                             MYCOL )
+-                     TAULOC = WORK( IPW )
++                     TAULOC( 1 ) = WORK( IPW )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C ) * v
+ *
+@@ -641,8 +641,8 @@ SUBROUTINE PZLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+ *                       sub( C ) := sub( C ) - w * v'
+ *
+-                        CALL ZGERC( MP, NQ, -TAULOC, WORK( IPW ), 1,
+-     $                              WORK, 1, C( IOFFC ), LDC )
++                        CALL ZGERC( MP, NQ, -TAULOC( 1 ), WORK( IPW ),
++     $                              1, WORK, 1, C( IOFFC ), LDC )
+                      END IF
+ *
+                   END IF
+@@ -667,7 +667,7 @@ SUBROUTINE PZLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                      CALL ZGEBS2D( ICTXT, 'Rowwise', ' ', 1, 1,
+      $                             TAU( JJV ), 1 )
+-                     TAULOC = TAU( JJV )
++                     TAULOC( 1 ) = TAU( JJV )
+ *
+                   ELSE
+ *
+@@ -676,7 +676,7 @@ SUBROUTINE PZLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                   END IF
+ *
+-                  IF( TAULOC.NE.ZERO ) THEN
++                  IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                    w := sub( C ) * v
+ *
+@@ -694,8 +694,8 @@ SUBROUTINE PZLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+ *                    sub( C ) := sub( C ) - w * v'
+ *
+-                     CALL ZGERC( MP, NQ, -TAULOC, WORK( IPW ), 1, WORK,
+-     $                           1, C( IOFFC ), LDC )
++                     CALL ZGERC( MP, NQ, -TAULOC( 1 ), WORK( IPW ), 1,
++     $                           WORK, 1, C( IOFFC ), LDC )
+                   END IF
+ *
+                END IF
+@@ -720,18 +720,18 @@ SUBROUTINE PZLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+                   WORK(IPW) = TAU( IIV )
+                   CALL ZGEBS2D( ICTXT, 'Columnwise', COLBTOP, IPW, 1,
+      $                          WORK, IPW )
+-                  TAULOC = TAU( IIV )
++                  TAULOC( 1 ) = TAU( IIV )
+ *
+                ELSE
+ *
+                   IPW = NQ+1
+                   CALL ZGEBR2D( ICTXT, 'Columnwise', COLBTOP, IPW, 1,
+      $                          WORK, IPW, IVROW, MYCOL )
+-                  TAULOC = WORK( IPW )
++                  TAULOC( 1 ) = WORK( IPW )
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C ) * v
+ *
+@@ -750,8 +750,8 @@ SUBROUTINE PZLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *                 sub( C ) := sub( C ) - w * v'
+ *
+                   IF( IOFFC.GT.0 )
+-     $               CALL ZGERC( MP, NQ, -TAULOC, WORK( IPW ), 1, WORK,
+-     $                           1, C( IOFFC ), LDC )
++     $               CALL ZGERC( MP, NQ, -TAULOC( 1 ), WORK( IPW ), 1,
++     $                           WORK, 1, C( IOFFC ), LDC )
+                END IF
+ *
+             ELSE
+@@ -770,7 +770,7 @@ SUBROUTINE PZLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                   CALL ZGEBS2D( ICTXT, 'Rowwise', ' ', 1, 1, TAU( JJV ),
+      $                          1 )
+-                  TAULOC = TAU( JJV )
++                  TAULOC( 1 ) = TAU( JJV )
+ *
+                ELSE
+ *
+@@ -779,7 +779,7 @@ SUBROUTINE PZLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C ) * v
+ *
+@@ -797,8 +797,8 @@ SUBROUTINE PZLARF( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+ *                 sub( C ) := sub( C ) - w * v'
+ *
+-                  CALL ZGERC( MP, NQ, -TAULOC, WORK( IPW ), 1, WORK, 1,
+-     $                        C( IOFFC ), LDC )
++                  CALL ZGERC( MP, NQ, -TAULOC( 1 ), WORK( IPW ), 1,
++     $                        WORK, 1, C( IOFFC ), LDC )
+                END IF
+ *
+             END IF
+diff --git a/SRC/pzlarfc.f b/SRC/pzlarfc.f
+index eb469fc..ddd7ec6 100644
+--- SRC/pzlarfc.f
++++ SRC/pzlarfc.f
+@@ -242,7 +242,7 @@ SUBROUTINE PZLARFC( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+      $                   IOFFV, IPW, IROFF, IVCOL, IVROW, JJC, JJV, LDC,
+      $                   LDV, MYCOL, MYROW, MP, NCC, NCV, NPCOL, NPROW,
+      $                   NQ, RDEST
+-      COMPLEX*16         TAULOC
++      COMPLEX*16         TAULOC( 1 )
+ *     ..
+ *     .. External Subroutines ..
+       EXTERNAL           BLACS_GRIDINFO, INFOG2L, PB_TOPGET, PBZTRNV,
+@@ -336,17 +336,17 @@ SUBROUTINE PZLARFC( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                      CALL ZGEBS2D( ICTXT, 'Columnwise', ' ', 1, 1,
+      $                             TAU( IIV ), 1 )
+-                     TAULOC = DCONJG( TAU( IIV ) )
++                     TAULOC( 1 ) = DCONJG( TAU( IIV ) )
+ *
+                   ELSE
+ *
+                      CALL ZGEBR2D( ICTXT, 'Columnwise', ' ', 1, 1,
+      $                             TAULOC, 1, IVROW, MYCOL )
+-                     TAULOC = DCONJG( TAULOC )
++                     TAULOC( 1 ) = DCONJG( TAULOC( 1 ) )
+ *
+                   END IF
+ *
+-                  IF( TAULOC.NE.ZERO ) THEN
++                  IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                    w := sub( C )' * v
+ *
+@@ -364,8 +364,8 @@ SUBROUTINE PZLARFC( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+ *                    sub( C ) := sub( C ) - v * w'
+ *
+-                     CALL ZGERC( MP, NQ, -TAULOC, WORK, 1, WORK( IPW ),
+-     $                           1, C( IOFFC ), LDC )
++                     CALL ZGERC( MP, NQ, -TAULOC( 1 ), WORK, 1,
++     $                           WORK( IPW ), 1, C( IOFFC ), LDC )
+                   END IF
+ *
+                END IF
+@@ -380,9 +380,9 @@ SUBROUTINE PZLARFC( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                   IF( MYCOL.EQ.ICCOL ) THEN
+ *
+-                     TAULOC = DCONJG( TAU( JJV ) )
++                     TAULOC( 1 ) = DCONJG( TAU( JJV ) )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C )' * v
+ *
+@@ -399,7 +399,7 @@ SUBROUTINE PZLARFC( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+ *                       sub( C ) := sub( C ) - v * w'
+ *
+-                        CALL ZGERC( MP, NQ, -TAULOC, V( IOFFV ), 1,
++                        CALL ZGERC( MP, NQ, -TAULOC( 1 ), V( IOFFV ), 1,
+      $                              WORK, 1, C( IOFFC ), LDC )
+                      END IF
+ *
+@@ -422,9 +422,9 @@ SUBROUTINE PZLARFC( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+                      IPW = MP+1
+                      CALL ZGERV2D( ICTXT, IPW, 1, WORK, IPW, MYROW,
+      $                             IVCOL )
+-                     TAULOC = DCONJG( WORK( IPW ) )
++                     TAULOC( 1 ) = DCONJG( WORK( IPW ) )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C )' * v
+ *
+@@ -442,7 +442,7 @@ SUBROUTINE PZLARFC( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+ *                       sub( C ) := sub( C ) - v * w'
+ *
+-                        CALL ZGERC( MP, NQ, -TAULOC, WORK, 1,
++                        CALL ZGERC( MP, NQ, -TAULOC( 1 ), WORK, 1,
+      $                              WORK( IPW ), 1, C( IOFFC ), LDC )
+                      END IF
+ *
+@@ -472,17 +472,17 @@ SUBROUTINE PZLARFC( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                   CALL ZGEBS2D( ICTXT, 'Columnwise', ' ', 1, 1,
+      $                          TAU( IIV ), 1 )
+-                  TAULOC = DCONJG( TAU( IIV ) )
++                  TAULOC( 1 ) = DCONJG( TAU( IIV ) )
+ *
+                ELSE
+ *
+                   CALL ZGEBR2D( ICTXT, 'Columnwise', ' ', 1, 1, TAULOC,
+      $                          1, IVROW, MYCOL )
+-                  TAULOC = DCONJG( TAULOC )
++                  TAULOC( 1 ) = DCONJG( TAULOC( 1 ) )
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C )' * v
+ *
+@@ -500,8 +500,8 @@ SUBROUTINE PZLARFC( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+ *                 sub( C ) := sub( C ) - v * w'
+ *
+-                  CALL ZGERC( MP, NQ, -TAULOC, WORK, 1, WORK( IPW ), 1,
+-     $                        C( IOFFC ), LDC )
++                  CALL ZGERC( MP, NQ, -TAULOC( 1 ), WORK, 1,
++     $                        WORK( IPW ), 1, C( IOFFC ), LDC )
+                END IF
+ *
+             ELSE
+@@ -516,18 +516,18 @@ SUBROUTINE PZLARFC( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+                   WORK(IPW) = TAU( JJV )
+                   CALL ZGEBS2D( ICTXT, 'Rowwise', ROWBTOP, IPW, 1,
+      $                          WORK, IPW )
+-                  TAULOC = DCONJG( TAU( JJV ) )
++                  TAULOC( 1 ) = DCONJG( TAU( JJV ) )
+ *
+                ELSE
+ *
+                   IPW = MP+1
+                   CALL ZGEBR2D( ICTXT, 'Rowwise', ROWBTOP, IPW, 1, WORK,
+      $                          IPW, MYROW, IVCOL )
+-                  TAULOC = DCONJG( WORK( IPW ) )
++                  TAULOC( 1 ) = DCONJG( WORK( IPW ) )
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C )' * v
+ *
+@@ -545,8 +545,8 @@ SUBROUTINE PZLARFC( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+ *                 sub( C ) := sub( C ) - v * w'
+ *
+-                  CALL ZGERC( MP, NQ, -TAULOC, WORK, 1, WORK( IPW ), 1,
+-     $                        C( IOFFC ), LDC )
++                  CALL ZGERC( MP, NQ, -TAULOC( 1 ), WORK, 1,
++     $                        WORK( IPW ), 1, C( IOFFC ), LDC )
+                END IF
+ *
+             END IF
+@@ -575,9 +575,9 @@ SUBROUTINE PZLARFC( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                   IF( MYROW.EQ.ICROW ) THEN
+ *
+-                     TAULOC = DCONJG( TAU( IIV ) )
++                     TAULOC( 1 ) = DCONJG( TAU( IIV ) )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C ) * v
+ *
+@@ -594,7 +594,7 @@ SUBROUTINE PZLARFC( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+ *                       sub( C ) := sub( C ) - w * v'
+ *
+-                        CALL ZGERC( MP, NQ, -TAULOC, WORK, 1,
++                        CALL ZGERC( MP, NQ, -TAULOC( 1 ), WORK, 1,
+      $                              V( IOFFV ), LDV, C( IOFFC ), LDC )
+                      END IF
+ *
+@@ -617,9 +617,9 @@ SUBROUTINE PZLARFC( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+                      IPW = NQ+1
+                      CALL ZGERV2D( ICTXT, IPW, 1, WORK, IPW, IVROW,
+      $                             MYCOL )
+-                     TAULOC = DCONJG( WORK( IPW ) )
++                     TAULOC( 1 ) = DCONJG( WORK( IPW ) )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C ) * v
+ *
+@@ -637,8 +637,8 @@ SUBROUTINE PZLARFC( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+ *                       sub( C ) := sub( C ) - w * v'
+ *
+-                        CALL ZGERC( MP, NQ, -TAULOC, WORK( IPW ), 1,
+-     $                              WORK, 1, C( IOFFC ), LDC )
++                        CALL ZGERC( MP, NQ, -TAULOC( 1 ), WORK( IPW ),
++     $                              1, WORK, 1, C( IOFFC ), LDC )
+                      END IF
+ *
+                   END IF
+@@ -663,17 +663,17 @@ SUBROUTINE PZLARFC( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                      CALL ZGEBS2D( ICTXT, 'Rowwise', ' ', 1, 1,
+      $                             TAU( JJV ), 1 )
+-                     TAULOC = DCONJG( TAU( JJV ) )
++                     TAULOC( 1 ) = DCONJG( TAU( JJV ) )
+ *
+                   ELSE
+ *
+                      CALL ZGEBR2D( ICTXT, 'Rowwise', ' ', 1, 1, TAULOC,
+      $                             1, MYROW, IVCOL )
+-                     TAULOC = DCONJG( TAULOC )
++                     TAULOC( 1 ) = DCONJG( TAULOC( 1 ) )
+ *
+                   END IF
+ *
+-                  IF( TAULOC.NE.ZERO ) THEN
++                  IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                    w := sub( C ) * v
+ *
+@@ -691,8 +691,8 @@ SUBROUTINE PZLARFC( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+ *                    sub( C ) := sub( C ) - w * v'
+ *
+-                     CALL ZGERC( MP, NQ, -TAULOC, WORK( IPW ), 1, WORK,
+-     $                           1, C( IOFFC ), LDC )
++                     CALL ZGERC( MP, NQ, -TAULOC( 1 ), WORK( IPW ), 1,
++     $                           WORK, 1, C( IOFFC ), LDC )
+                   END IF
+ *
+                END IF
+@@ -716,18 +716,18 @@ SUBROUTINE PZLARFC( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+                   WORK(IPW) = TAU( IIV )
+                   CALL ZGEBS2D( ICTXT, 'Columnwise', COLBTOP, IPW, 1,
+      $                          WORK, IPW )
+-                  TAULOC = DCONJG( TAU( IIV ) )
++                  TAULOC( 1 ) = DCONJG( TAU( IIV ) )
+ *
+                ELSE
+ *
+                   IPW = NQ+1
+                   CALL ZGEBR2D( ICTXT, 'Columnwise', COLBTOP, IPW, 1,
+      $                          WORK, IPW, IVROW, MYCOL )
+-                  TAULOC = DCONJG( WORK( IPW ) )
++                  TAULOC( 1 ) = DCONJG( WORK( IPW ) )
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C ) * v
+ *
+@@ -745,8 +745,8 @@ SUBROUTINE PZLARFC( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+ *                 sub( C ) := sub( C ) - w * v'
+ *
+-                  CALL ZGERC( MP, NQ, -TAULOC, WORK( IPW ), 1, WORK, 1,
+-     $                        C( IOFFC ), LDC )
++                  CALL ZGERC( MP, NQ, -TAULOC( 1 ), WORK( IPW ), 1,
++     $                        WORK, 1, C( IOFFC ), LDC )
+                END IF
+ *
+             ELSE
+@@ -765,17 +765,17 @@ SUBROUTINE PZLARFC( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+                   CALL ZGEBS2D( ICTXT, 'Rowwise', ' ', 1, 1, TAU( JJV ),
+      $                          1 )
+-                  TAULOC = DCONJG( TAU( JJV ) )
++                  TAULOC( 1 ) = DCONJG( TAU( JJV ) )
+ *
+                ELSE
+ *
+                   CALL ZGEBR2D( ICTXT, 'Rowwise', ' ', 1, 1, TAULOC, 1,
+      $                          MYROW, IVCOL )
+-                  TAULOC = DCONJG( TAULOC )
++                  TAULOC( 1 ) = DCONJG( TAULOC( 1 ) )
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C ) * v
+ *
+@@ -793,8 +793,8 @@ SUBROUTINE PZLARFC( SIDE, M, N, V, IV, JV, DESCV, INCV, TAU,
+ *
+ *                 sub( C ) := sub( C ) - w * v'
+ *
+-                  CALL ZGERC( MP, NQ, -TAULOC, WORK( IPW ), 1, WORK, 1,
+-     $                        C( IOFFC ), LDC )
++                  CALL ZGERC( MP, NQ, -TAULOC( 1 ), WORK( IPW ), 1,
++     $                        WORK, 1, C( IOFFC ), LDC )
+                END IF
+ *
+             END IF
+diff --git a/SRC/pzlarz.f b/SRC/pzlarz.f
+index fefc133..abf6288 100644
+--- SRC/pzlarz.f
++++ SRC/pzlarz.f
+@@ -251,7 +251,7 @@ SUBROUTINE PZLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+      $                   IVCOL, IVROW, JJC1, JJC2, JJV, LDC, LDV, MPC2,
+      $                   MPV, MYCOL, MYROW, NCC, NCV, NPCOL, NPROW,
+      $                   NQC2, NQV, RDEST
+-      COMPLEX*16         TAULOC
++      COMPLEX*16         TAULOC( 1 )
+ *     ..
+ *     .. External Subroutines ..
+       EXTERNAL           BLACS_GRIDINFO, INFOG2L, PB_TOPGET, PBZTRNV,
+@@ -370,7 +370,7 @@ SUBROUTINE PZLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                      CALL ZGEBS2D( ICTXT, 'Columnwise', ' ', 1, 1,
+      $                             TAU( IIV ), 1 )
+-                     TAULOC = TAU( IIV )
++                     TAULOC( 1 ) = TAU( IIV )
+ *
+                   ELSE
+ *
+@@ -379,7 +379,7 @@ SUBROUTINE PZLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                   END IF
+ *
+-                  IF( TAULOC.NE.ZERO ) THEN
++                  IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                    w := sub( C )' * v
+ *
+@@ -402,9 +402,9 @@ SUBROUTINE PZLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *                    sub( C ) := sub( C ) - v * w'
+ *
+                      IF( MYROW.EQ.ICROW1 )
+-     $                  CALL ZAXPY( NQC2, -TAULOC, WORK( IPW ),
++     $                  CALL ZAXPY( NQC2, -TAULOC( 1 ), WORK( IPW ),
+      $                              MAX( 1, NQC2 ), C( IOFFC1 ), LDC )
+-                     CALL ZGERC( MPV, NQC2, -TAULOC, WORK, 1,
++                     CALL ZGERC( MPV, NQC2, -TAULOC( 1 ), WORK, 1,
+      $                           WORK( IPW ), 1, C( IOFFC2 ), LDC )
+                   END IF
+ *
+@@ -420,9 +420,9 @@ SUBROUTINE PZLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                   IF( MYCOL.EQ.ICCOL2 ) THEN
+ *
+-                     TAULOC = TAU( JJV )
++                     TAULOC( 1 ) = TAU( JJV )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C )' * v
+ *
+@@ -445,11 +445,11 @@ SUBROUTINE PZLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *                       sub( C ) := sub( C ) - v * w'
+ *
+                         IF( MYROW.EQ.ICROW1 )
+-     $                     CALL ZAXPY( NQC2, -TAULOC, WORK,
++     $                     CALL ZAXPY( NQC2, -TAULOC( 1 ), WORK,
+      $                                 MAX( 1, NQC2 ), C( IOFFC1 ),
+      $                                 LDC )
+-                        CALL ZGERC( MPV, NQC2, -TAULOC, V( IOFFV ), 1,
+-     $                              WORK, 1, C( IOFFC2 ), LDC )
++                        CALL ZGERC( MPV, NQC2, -TAULOC( 1 ), V( IOFFV ),
++     $                              1, WORK, 1, C( IOFFC2 ), LDC )
+                      END IF
+ *
+                   END IF
+@@ -471,9 +471,9 @@ SUBROUTINE PZLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+                      IPW = MPV+1
+                      CALL ZGERV2D( ICTXT, IPW, 1, WORK, IPW, MYROW,
+      $                             IVCOL )
+-                     TAULOC = WORK( IPW )
++                     TAULOC( 1 ) = WORK( IPW )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C )' * v
+ *
+@@ -496,10 +496,10 @@ SUBROUTINE PZLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *                       sub( C ) := sub( C ) - v * w'
+ *
+                         IF( MYROW.EQ.ICROW1 )
+-     $                     CALL ZAXPY( NQC2, -TAULOC, WORK( IPW ),
++     $                     CALL ZAXPY( NQC2, -TAULOC( 1 ), WORK( IPW ),
+      $                                 MAX( 1, NQC2 ), C( IOFFC1 ),
+      $                                 LDC )
+-                        CALL ZGERC( MPV, NQC2, -TAULOC, WORK, 1,
++                        CALL ZGERC( MPV, NQC2, -TAULOC( 1 ), WORK, 1,
+      $                              WORK( IPW ), 1, C( IOFFC2 ), LDC )
+                      END IF
+ *
+@@ -530,7 +530,7 @@ SUBROUTINE PZLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                   CALL ZGEBS2D( ICTXT, 'Columnwise', ' ', 1, 1,
+      $                          TAU( IIV ), 1 )
+-                  TAULOC = TAU( IIV )
++                  TAULOC( 1 ) = TAU( IIV )
+ *
+                ELSE
+ *
+@@ -539,7 +539,7 @@ SUBROUTINE PZLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C )' * v
+ *
+@@ -562,10 +562,10 @@ SUBROUTINE PZLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *                 sub( C ) := sub( C ) - v * w'
+ *
+                   IF( MYROW.EQ.ICROW1 )
+-     $               CALL ZAXPY( NQC2, -TAULOC, WORK( IPW ),
++     $               CALL ZAXPY( NQC2, -TAULOC( 1 ), WORK( IPW ),
+      $                           MAX( 1, NQC2 ), C( IOFFC1 ), LDC )
+-                  CALL ZGERC( MPV, NQC2, -TAULOC, WORK, 1, WORK( IPW ),
+-     $                        1, C( IOFFC2 ), LDC )
++                  CALL ZGERC( MPV, NQC2, -TAULOC( 1 ), WORK, 1,
++     $                        WORK( IPW ), 1, C( IOFFC2 ), LDC )
+                END IF
+ *
+             ELSE
+@@ -580,18 +580,18 @@ SUBROUTINE PZLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+                   WORK( IPW ) = TAU( JJV )
+                   CALL ZGEBS2D( ICTXT, 'Rowwise', ROWBTOP, IPW, 1,
+      $                          WORK, IPW )
+-                  TAULOC = TAU( JJV )
++                  TAULOC( 1 ) = TAU( JJV )
+ *
+                ELSE
+ *
+                   IPW = MPV+1
+                   CALL ZGEBR2D( ICTXT, 'Rowwise', ROWBTOP, IPW, 1, WORK,
+      $                          IPW, MYROW, IVCOL )
+-                  TAULOC = WORK( IPW )
++                  TAULOC( 1 ) = WORK( IPW )
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C )' * v
+ *
+@@ -614,10 +614,10 @@ SUBROUTINE PZLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *                 sub( C ) := sub( C ) - v * w'
+ *
+                   IF( MYROW.EQ.ICROW1 )
+-     $               CALL ZAXPY( NQC2, -TAULOC, WORK( IPW ),
++     $               CALL ZAXPY( NQC2, -TAULOC( 1 ), WORK( IPW ),
+      $                           MAX( 1, NQC2 ), C( IOFFC1 ), LDC )
+-                  CALL ZGERC( MPV, NQC2, -TAULOC, WORK, 1, WORK( IPW ),
+-     $                        1, C( IOFFC2 ), LDC )
++                  CALL ZGERC( MPV, NQC2, -TAULOC( 1 ), WORK, 1,
++     $                        WORK( IPW ), 1, C( IOFFC2 ), LDC )
+                END IF
+ *
+             END IF
+@@ -646,9 +646,9 @@ SUBROUTINE PZLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                   IF( MYROW.EQ.ICROW2 ) THEN
+ *
+-                     TAULOC = TAU( IIV )
++                     TAULOC( 1 ) = TAU( IIV )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C ) * v
+ *
+@@ -669,13 +669,13 @@ SUBROUTINE PZLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+      $                               ICCOL2 )
+ *
+                         IF( MYCOL.EQ.ICCOL1 )
+-     $                     CALL ZAXPY( MPC2, -TAULOC, WORK, 1,
++     $                     CALL ZAXPY( MPC2, -TAULOC( 1 ), WORK, 1,
+      $                                 C( IOFFC1 ), 1 )
+ *
+ *                       sub( C ) := sub( C ) - w * v'
+ *
+                         IF( MPC2.GT.0 .AND. NQV.GT.0 )
+-     $                     CALL ZGERC( MPC2, NQV, -TAULOC, WORK, 1,
++     $                     CALL ZGERC( MPC2, NQV, -TAULOC( 1 ), WORK, 1,
+      $                                 V( IOFFV ), LDV, C( IOFFC2 ),
+      $                                 LDC )
+                      END IF
+@@ -699,9 +699,9 @@ SUBROUTINE PZLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+                      IPW = NQV+1
+                      CALL ZGERV2D( ICTXT, IPW, 1, WORK, IPW, IVROW,
+      $                             MYCOL )
+-                     TAULOC = WORK( IPW )
++                     TAULOC( 1 ) = WORK( IPW )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C ) * v
+ *
+@@ -720,13 +720,14 @@ SUBROUTINE PZLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+      $                                WORK( IPW ), MAX( 1, MPC2 ),
+      $                                RDEST, ICCOL2 )
+                         IF( MYCOL.EQ.ICCOL1 )
+-     $                     CALL ZAXPY( MPC2, -TAULOC, WORK( IPW ), 1,
+-     $                                 C( IOFFC1 ), 1 )
++     $                     CALL ZAXPY( MPC2, -TAULOC( 1 ), WORK( IPW ),
++     $                                 1, C( IOFFC1 ), 1 )
+ *
+ *                       sub( C ) := sub( C ) - w * v'
+ *
+-                        CALL ZGERC( MPC2, NQV, -TAULOC, WORK( IPW ), 1,
+-     $                              WORK, 1, C( IOFFC2 ), LDC )
++                        CALL ZGERC( MPC2, NQV, -TAULOC( 1 ),
++     $                              WORK( IPW ), 1, WORK, 1,
++     $                              C( IOFFC2 ), LDC )
+                      END IF
+ *
+                   END IF
+@@ -751,7 +752,7 @@ SUBROUTINE PZLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                      CALL ZGEBS2D( ICTXT, 'Rowwise', ' ', 1, 1,
+      $                             TAU( JJV ), 1 )
+-                     TAULOC = TAU( JJV )
++                     TAULOC( 1 ) = TAU( JJV )
+ *
+                   ELSE
+ *
+@@ -760,7 +761,7 @@ SUBROUTINE PZLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                   END IF
+ *
+-                  IF( TAULOC.NE.ZERO ) THEN
++                  IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                    w := sub( C ) * v
+ *
+@@ -779,13 +780,13 @@ SUBROUTINE PZLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+      $                             WORK( IPW ), MAX( 1, MPC2 ), RDEST,
+      $                             ICCOL2 )
+                      IF( MYCOL.EQ.ICCOL1 )
+-     $                  CALL ZAXPY( MPC2, -TAULOC, WORK( IPW ), 1,
++     $                  CALL ZAXPY( MPC2, -TAULOC( 1 ), WORK( IPW ), 1,
+      $                              C( IOFFC1 ), 1 )
+ *
+ *                    sub( C ) := sub( C ) - w * v'
+ *
+-                     CALL ZGERC( MPC2, NQV, -TAULOC, WORK( IPW ), 1,
+-     $                           WORK, 1, C( IOFFC2 ), LDC )
++                     CALL ZGERC( MPC2, NQV, -TAULOC( 1 ), WORK( IPW ),
++     $                           1, WORK, 1, C( IOFFC2 ), LDC )
+                   END IF
+ *
+                END IF
+@@ -809,18 +810,18 @@ SUBROUTINE PZLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+                   WORK( IPW ) = TAU( IIV )
+                   CALL ZGEBS2D( ICTXT, 'Columnwise', COLBTOP, IPW, 1,
+      $                          WORK, IPW )
+-                  TAULOC = TAU( IIV )
++                  TAULOC( 1 ) = TAU( IIV )
+ *
+                ELSE
+ *
+                   IPW = NQV+1
+                   CALL ZGEBR2D( ICTXT, 'Columnwise', COLBTOP, IPW, 1,
+      $                          WORK, IPW, IVROW, MYCOL )
+-                  TAULOC = WORK( IPW )
++                  TAULOC( 1 ) = WORK( IPW )
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C ) * v
+ *
+@@ -840,13 +841,13 @@ SUBROUTINE PZLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+      $                          WORK( IPW ), MAX( 1, MPC2 ), RDEST,
+      $                          ICCOL2 )
+                   IF( MYCOL.EQ.ICCOL1 )
+-     $               CALL ZAXPY( MPC2, -TAULOC, WORK( IPW ), 1,
++     $               CALL ZAXPY( MPC2, -TAULOC( 1 ), WORK( IPW ), 1,
+      $                           C( IOFFC1 ), 1 )
+ *
+ *                 sub( C ) := sub( C ) - w * v'
+ *
+-                  CALL ZGERC( MPC2, NQV, -TAULOC, WORK( IPW ), 1, WORK,
+-     $                        1, C( IOFFC2 ), LDC )
++                  CALL ZGERC( MPC2, NQV, -TAULOC( 1 ), WORK( IPW ), 1,
++     $                        WORK, 1, C( IOFFC2 ), LDC )
+                END IF
+ *
+             ELSE
+@@ -865,7 +866,7 @@ SUBROUTINE PZLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                   CALL ZGEBS2D( ICTXT, 'Rowwise', ' ', 1, 1, TAU( JJV ),
+      $                          1 )
+-                  TAULOC = TAU( JJV )
++                  TAULOC( 1 ) = TAU( JJV )
+ *
+                ELSE
+ *
+@@ -874,7 +875,7 @@ SUBROUTINE PZLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C ) * v
+ *
+@@ -893,13 +894,13 @@ SUBROUTINE PZLARZ( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+      $                          WORK( IPW ), MAX( 1, MPC2 ), RDEST,
+      $                          ICCOL2 )
+                   IF( MYCOL.EQ.ICCOL1 )
+-     $               CALL ZAXPY( MPC2, -TAULOC, WORK( IPW ), 1,
++     $               CALL ZAXPY( MPC2, -TAULOC( 1 ), WORK( IPW ), 1,
+      $                           C( IOFFC1 ), 1 )
+ *
+ *                 sub( C ) := sub( C ) - w * v'
+ *
+-                  CALL ZGERC( MPC2, NQV, -TAULOC, WORK( IPW ), 1, WORK,
+-     $                        1, C( IOFFC2 ), LDC )
++                  CALL ZGERC( MPC2, NQV, -TAULOC( 1 ), WORK( IPW ), 1,
++     $                        WORK, 1, C( IOFFC2 ), LDC )
+                END IF
+ *
+             END IF
+diff --git a/SRC/pzlarzc.f b/SRC/pzlarzc.f
+index 936caec..2c574ff 100644
+--- SRC/pzlarzc.f
++++ SRC/pzlarzc.f
+@@ -251,7 +251,7 @@ SUBROUTINE PZLARZC( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+      $                   IVCOL, IVROW, JJC1, JJC2, JJV, LDC, LDV, MPC2,
+      $                   MPV, MYCOL, MYROW, NCC, NCV, NPCOL, NPROW,
+      $                   NQC2, NQV, RDEST
+-      COMPLEX*16         TAULOC
++      COMPLEX*16         TAULOC( 1 )
+ *     ..
+ *     .. External Subroutines ..
+       EXTERNAL           BLACS_GRIDINFO, INFOG2L, PB_TOPGET, PBZTRNV,
+@@ -370,17 +370,17 @@ SUBROUTINE PZLARZC( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                      CALL ZGEBS2D( ICTXT, 'Columnwise', ' ', 1, 1,
+      $                             TAU( IIV ), 1 )
+-                     TAULOC = DCONJG( TAU( IIV ) )
++                     TAULOC( 1 ) = DCONJG( TAU( IIV ) )
+ *
+                   ELSE
+ *
+                      CALL ZGEBR2D( ICTXT, 'Columnwise', ' ', 1, 1,
+      $                             TAULOC, 1, IVROW, MYCOL )
+-                     TAULOC = DCONJG( TAULOC )
++                     TAULOC( 1 ) = DCONJG( TAULOC( 1 ) )
+ *
+                   END IF
+ *
+-                  IF( TAULOC.NE.ZERO ) THEN
++                  IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                    w := sub( C )' * v
+ *
+@@ -403,9 +403,9 @@ SUBROUTINE PZLARZC( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *                    sub( C ) := sub( C ) - v * w'
+ *
+                      IF( MYROW.EQ.ICROW1 )
+-     $                  CALL ZAXPY( NQC2, -TAULOC, WORK( IPW ),
++     $                  CALL ZAXPY( NQC2, -TAULOC( 1 ), WORK( IPW ),
+      $                              MAX( 1, NQC2 ), C( IOFFC1 ), LDC )
+-                     CALL ZGERC( MPV, NQC2, -TAULOC, WORK, 1,
++                     CALL ZGERC( MPV, NQC2, -TAULOC( 1 ), WORK, 1,
+      $                           WORK( IPW ), 1, C( IOFFC2 ), LDC )
+                   END IF
+ *
+@@ -421,9 +421,9 @@ SUBROUTINE PZLARZC( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                   IF( MYCOL.EQ.ICCOL2 ) THEN
+ *
+-                     TAULOC = DCONJG( TAU( JJV ) )
++                     TAULOC( 1 ) = DCONJG( TAU( JJV ) )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C )' * v
+ *
+@@ -446,11 +446,11 @@ SUBROUTINE PZLARZC( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *                       sub( C ) := sub( C ) - v * w'
+ *
+                         IF( MYROW.EQ.ICROW1 )
+-     $                     CALL ZAXPY( NQC2, -TAULOC, WORK,
++     $                     CALL ZAXPY( NQC2, -TAULOC( 1 ), WORK,
+      $                                 MAX( 1, NQC2 ), C( IOFFC1 ),
+      $                                 LDC )
+-                        CALL ZGERC( MPV, NQC2, -TAULOC, V( IOFFV ), 1,
+-     $                              WORK, 1, C( IOFFC2 ), LDC )
++                        CALL ZGERC( MPV, NQC2, -TAULOC( 1 ), V( IOFFV ),
++     $                              1, WORK, 1, C( IOFFC2 ), LDC )
+                      END IF
+ *
+                   END IF
+@@ -472,9 +472,9 @@ SUBROUTINE PZLARZC( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+                      IPW = MPV+1
+                      CALL ZGERV2D( ICTXT, IPW, 1, WORK, IPW, MYROW,
+      $                             IVCOL )
+-                     TAULOC = DCONJG( WORK( IPW ) )
++                     TAULOC( 1 ) = DCONJG( WORK( IPW ) )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C )' * v
+ *
+@@ -497,10 +497,10 @@ SUBROUTINE PZLARZC( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *                       sub( C ) := sub( C ) - v * w'
+ *
+                         IF( MYROW.EQ.ICROW1 )
+-     $                     CALL ZAXPY( NQC2, -TAULOC, WORK( IPW ),
++     $                     CALL ZAXPY( NQC2, -TAULOC( 1 ), WORK( IPW ),
+      $                                 MAX( 1, NQC2 ), C( IOFFC1 ),
+      $                                 LDC )
+-                        CALL ZGERC( MPV, NQC2, -TAULOC, WORK, 1,
++                        CALL ZGERC( MPV, NQC2, -TAULOC( 1 ), WORK, 1,
+      $                              WORK( IPW ), 1, C( IOFFC2 ), LDC )
+                      END IF
+ *
+@@ -531,17 +531,17 @@ SUBROUTINE PZLARZC( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                   CALL ZGEBS2D( ICTXT, 'Columnwise', ' ', 1, 1,
+      $                          TAU( IIV ), 1 )
+-                  TAULOC = DCONJG( TAU( IIV ) )
++                  TAULOC( 1 ) = DCONJG( TAU( IIV ) )
+ *
+                ELSE
+ *
+                   CALL ZGEBR2D( ICTXT, 'Columnwise', ' ', 1, 1, TAULOC,
+      $                          1, IVROW, MYCOL )
+-                  TAULOC = DCONJG( TAULOC )
++                  TAULOC( 1 ) = DCONJG( TAULOC( 1 ) )
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C )' * v
+ *
+@@ -564,10 +564,10 @@ SUBROUTINE PZLARZC( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *                 sub( C ) := sub( C ) - v * w'
+ *
+                   IF( MYROW.EQ.ICROW1 )
+-     $               CALL ZAXPY( NQC2, -TAULOC, WORK( IPW ),
++     $               CALL ZAXPY( NQC2, -TAULOC( 1 ), WORK( IPW ),
+      $                           MAX( 1, NQC2 ), C( IOFFC1 ), LDC )
+-                  CALL ZGERC( MPV, NQC2, -TAULOC, WORK, 1, WORK( IPW ),
+-     $                        1, C( IOFFC2 ), LDC )
++                  CALL ZGERC( MPV, NQC2, -TAULOC( 1 ), WORK, 1,
++     $                        WORK( IPW ), 1, C( IOFFC2 ), LDC )
+                END IF
+ *
+             ELSE
+@@ -582,18 +582,18 @@ SUBROUTINE PZLARZC( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+                   WORK( IPW ) = TAU( JJV )
+                   CALL ZGEBS2D( ICTXT, 'Rowwise', ROWBTOP, IPW, 1,
+      $                          WORK, IPW )
+-                  TAULOC = DCONJG( TAU( JJV ) )
++                  TAULOC( 1 ) = DCONJG( TAU( JJV ) )
+ *
+                ELSE
+ *
+                   IPW = MPV+1
+                   CALL ZGEBR2D( ICTXT, 'Rowwise', ROWBTOP, IPW, 1, WORK,
+      $                          IPW, MYROW, IVCOL )
+-                  TAULOC = DCONJG( WORK( IPW ) )
++                  TAULOC( 1 ) = DCONJG( WORK( IPW ) )
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C )' * v
+ *
+@@ -616,10 +616,10 @@ SUBROUTINE PZLARZC( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *                 sub( C ) := sub( C ) - v * w'
+ *
+                   IF( MYROW.EQ.ICROW1 )
+-     $               CALL ZAXPY( NQC2, -TAULOC, WORK( IPW ),
++     $               CALL ZAXPY( NQC2, -TAULOC( 1 ), WORK( IPW ),
+      $                           MAX( 1, NQC2 ), C( IOFFC1 ), LDC )
+-                  CALL ZGERC( MPV, NQC2, -TAULOC, WORK, 1, WORK( IPW ),
+-     $                        1, C( IOFFC2 ), LDC )
++                  CALL ZGERC( MPV, NQC2, -TAULOC( 1 ), WORK, 1,
++     $                        WORK( IPW ), 1, C( IOFFC2 ), LDC )
+                END IF
+ *
+             END IF
+@@ -648,9 +648,9 @@ SUBROUTINE PZLARZC( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                   IF( MYROW.EQ.ICROW2 ) THEN
+ *
+-                     TAULOC = DCONJG( TAU( IIV ) )
++                     TAULOC( 1 ) = DCONJG( TAU( IIV ) )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C ) * v
+ *
+@@ -671,12 +671,12 @@ SUBROUTINE PZLARZC( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+      $                               ICCOL2 )
+ *
+                         IF( MYCOL.EQ.ICCOL1 )
+-     $                     CALL ZAXPY( MPC2, -TAULOC, WORK, 1,
++     $                     CALL ZAXPY( MPC2, -TAULOC( 1 ), WORK, 1,
+      $                                 C( IOFFC1 ), 1 )
+ *
+ *                       sub( C ) := sub( C ) - w * v'
+ *
+-                        CALL ZGERC( MPC2, NQV, -TAULOC, WORK, 1,
++                        CALL ZGERC( MPC2, NQV, -TAULOC( 1 ), WORK, 1,
+      $                              V( IOFFV ), LDV, C( IOFFC2 ), LDC )
+                      END IF
+ *
+@@ -699,9 +699,9 @@ SUBROUTINE PZLARZC( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+                      IPW = NQV+1
+                      CALL ZGERV2D( ICTXT, IPW, 1, WORK, IPW, IVROW,
+      $                             MYCOL )
+-                     TAULOC = DCONJG( WORK( IPW ) )
++                     TAULOC( 1 ) = DCONJG( WORK( IPW ) )
+ *
+-                     IF( TAULOC.NE.ZERO ) THEN
++                     IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                       w := sub( C ) * v
+ *
+@@ -720,13 +720,14 @@ SUBROUTINE PZLARZC( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+      $                                WORK( IPW ), MAX( 1, MPC2 ),
+      $                                RDEST, ICCOL2 )
+                         IF( MYCOL.EQ.ICCOL1 )
+-     $                     CALL ZAXPY( MPC2, -TAULOC, WORK( IPW ), 1,
+-     $                                 C( IOFFC1 ), 1 )
++     $                     CALL ZAXPY( MPC2, -TAULOC( 1 ), WORK( IPW ),
++     $                                 1, C( IOFFC1 ), 1 )
+ *
+ *                       sub( C ) := sub( C ) - w * v'
+ *
+-                        CALL ZGERC( MPC2, NQV, -TAULOC, WORK( IPW ), 1,
+-     $                              WORK, 1, C( IOFFC2 ), LDC )
++                        CALL ZGERC( MPC2, NQV, -TAULOC( 1 ),
++     $                              WORK( IPW ), 1, WORK, 1,
++     $                              C( IOFFC2 ), LDC )
+                      END IF
+ *
+                   END IF
+@@ -751,17 +752,17 @@ SUBROUTINE PZLARZC( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                      CALL ZGEBS2D( ICTXT, 'Rowwise', ' ', 1, 1,
+      $                             TAU( JJV ), 1 )
+-                     TAULOC = DCONJG( TAU( JJV ) )
++                     TAULOC( 1 ) = DCONJG( TAU( JJV ) )
+ *
+                   ELSE
+ *
+                      CALL ZGEBR2D( ICTXT, 'Rowwise', ' ', 1, 1, TAULOC,
+      $                             1, MYROW, IVCOL )
+-                     TAULOC = DCONJG( TAULOC )
++                     TAULOC( 1 ) = DCONJG( TAULOC( 1 ) )
+ *
+                   END IF
+ *
+-                  IF( TAULOC.NE.ZERO ) THEN
++                  IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                    w := sub( C ) * v
+ *
+@@ -780,13 +781,13 @@ SUBROUTINE PZLARZC( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+      $                             WORK( IPW ), MAX( 1, MPC2 ), RDEST,
+      $                             ICCOL2 )
+                      IF( MYCOL.EQ.ICCOL1 )
+-     $                  CALL ZAXPY( MPC2, -TAULOC, WORK( IPW ), 1,
++     $                  CALL ZAXPY( MPC2, -TAULOC( 1 ), WORK( IPW ), 1,
+      $                              C( IOFFC1 ), 1 )
+ *
+ *                    sub( C ) := sub( C ) - w * v'
+ *
+-                     CALL ZGERC( MPC2, NQV, -TAULOC, WORK( IPW ), 1,
+-     $                           WORK, 1, C( IOFFC2 ), LDC )
++                     CALL ZGERC( MPC2, NQV, -TAULOC( 1 ), WORK( IPW ),
++     $                           1, WORK, 1, C( IOFFC2 ), LDC )
+                   END IF
+ *
+                END IF
+@@ -810,18 +811,18 @@ SUBROUTINE PZLARZC( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+                   WORK( IPW ) = TAU( IIV )
+                   CALL ZGEBS2D( ICTXT, 'Columnwise', COLBTOP, IPW, 1,
+      $                          WORK, IPW )
+-                  TAULOC = DCONJG( TAU( IIV ) )
++                  TAULOC( 1 ) = DCONJG( TAU( IIV ) )
+ *
+                ELSE
+ *
+                   IPW = NQV+1
+                   CALL ZGEBR2D( ICTXT, 'Columnwise', COLBTOP, IPW, 1,
+      $                          WORK, IPW, IVROW, MYCOL )
+-                  TAULOC = DCONJG( WORK( IPW ) )
++                  TAULOC( 1 ) = DCONJG( WORK( IPW ) )
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C ) * v
+ *
+@@ -841,13 +842,13 @@ SUBROUTINE PZLARZC( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+      $                          WORK( IPW ), MAX( 1, MPC2 ), RDEST,
+      $                          ICCOL2 )
+                   IF( MYCOL.EQ.ICCOL1 )
+-     $               CALL ZAXPY( MPC2, -TAULOC, WORK( IPW ), 1,
++     $               CALL ZAXPY( MPC2, -TAULOC( 1 ), WORK( IPW ), 1,
+      $                           C( IOFFC1 ), 1 )
+ *
+ *                 sub( C ) := sub( C ) - w * v'
+ *
+-                  CALL ZGERC( MPC2, NQV, -TAULOC, WORK( IPW ), 1, WORK,
+-     $                        1, C( IOFFC2 ), LDC )
++                  CALL ZGERC( MPC2, NQV, -TAULOC( 1 ), WORK( IPW ), 1,
++     $                        WORK, 1, C( IOFFC2 ), LDC )
+                END IF
+ *
+             ELSE
+@@ -866,17 +867,17 @@ SUBROUTINE PZLARZC( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+ *
+                   CALL ZGEBS2D( ICTXT, 'Rowwise', ' ', 1, 1, TAU( JJV ),
+      $                          1 )
+-                  TAULOC = DCONJG( TAU( JJV ) )
++                  TAULOC( 1 ) = DCONJG( TAU( JJV ) )
+ *
+                ELSE
+ *
+                   CALL ZGEBR2D( ICTXT, 'Rowwise', ' ', 1, 1, TAULOC, 1,
+      $                          MYROW, IVCOL )
+-                  TAULOC = DCONJG( TAULOC )
++                  TAULOC( 1 ) = DCONJG( TAULOC( 1 ) )
+ *
+                END IF
+ *
+-               IF( TAULOC.NE.ZERO ) THEN
++               IF( TAULOC( 1 ).NE.ZERO ) THEN
+ *
+ *                 w := sub( C ) * v
+ *
+@@ -895,13 +896,13 @@ SUBROUTINE PZLARZC( SIDE, M, N, L, V, IV, JV, DESCV, INCV, TAU, C,
+      $                          WORK( IPW ), MAX( 1, MPC2 ), RDEST,
+      $                          ICCOL2 )
+                   IF( MYCOL.EQ.ICCOL1 )
+-     $               CALL ZAXPY( MPC2, -TAULOC, WORK( IPW ), 1,
++     $               CALL ZAXPY( MPC2, -TAULOC( 1 ), WORK( IPW ), 1,
+      $                           C( IOFFC1 ), 1 )
+ *
+ *                 sub( C ) := sub( C ) - w * v'
+ *
+-                  CALL ZGERC( MPC2, NQV, -TAULOC, WORK( IPW ), 1, WORK,
+-     $                        1, C( IOFFC2 ), LDC )
++                  CALL ZGERC( MPC2, NQV, -TAULOC( 1 ), WORK( IPW ), 1,
++     $                        WORK, 1, C( IOFFC2 ), LDC )
+                END IF
+ *
+             END IF
+diff --git a/SRC/pzlattrs.f b/SRC/pzlattrs.f
+index 819e476..5a54209 100644
+--- SRC/pzlattrs.f
++++ SRC/pzlattrs.f
+@@ -271,8 +271,9 @@ SUBROUTINE PZLATTRS( UPLO, TRANS, DIAG, NORMIN, N, A, IA, JA,
+      $                   JINC, JLAST, LDA, LDX, MB, MYCOL, MYROW, NB,
+      $                   NPCOL, NPROW, RSRC
+       DOUBLE PRECISION   BIGNUM, GROW, REC, SMLNUM, TJJ, TMAX, TSCAL,
+-     $                   XBND, XJ, XMAX
++     $                   XBND, XJ
+       COMPLEX*16         CSUMJ, TJJS, USCAL, XJTMP, ZDUM
++      DOUBLE PRECISION   XMAX( 1 )
+ *     ..
+ *     .. External Functions ..
+       LOGICAL            LSAME
+@@ -391,11 +392,11 @@ SUBROUTINE PZLATTRS( UPLO, TRANS, DIAG, NORMIN, N, A, IA, JA,
+ *     Compute a bound on the computed solution vector to see if the
+ *     Level 2 PBLAS routine PZTRSV can be used.
+ *
+-      XMAX = ZERO
++      XMAX( 1 ) = ZERO
+       CALL PZAMAX( N, ZDUM, IMAX, X, IX, JX, DESCX, 1 )
+-      XMAX = CABS2( ZDUM )
++      XMAX( 1 ) = CABS2( ZDUM )
+       CALL DGSUM2D( CONTXT, 'Row', ' ', 1, 1, XMAX, 1, -1, -1 )
+-      XBND = XMAX
++      XBND = XMAX( 1 )
+ *
+       IF( NOTRAN ) THEN
+ *
+@@ -590,16 +591,16 @@ SUBROUTINE PZLATTRS( UPLO, TRANS, DIAG, NORMIN, N, A, IA, JA,
+ *
+ *        Use a Level 1 PBLAS solve, scaling intermediate results.
+ *
+-         IF( XMAX.GT.BIGNUM*HALF ) THEN
++         IF( XMAX( 1 ).GT.BIGNUM*HALF ) THEN
+ *
+ *           Scale X so that its components are less than or equal to
+ *           BIGNUM in absolute value.
+ *
+-            SCALE = ( BIGNUM*HALF ) / XMAX
++            SCALE = ( BIGNUM*HALF ) / XMAX( 1 )
+             CALL PZDSCAL( N, SCALE, X, IX, JX, DESCX, 1 )
+-            XMAX = BIGNUM
++            XMAX( 1 ) = BIGNUM
+          ELSE
+-            XMAX = XMAX*TWO
++            XMAX( 1 ) = XMAX( 1 )*TWO
+          END IF
+ *
+          IF( NOTRAN ) THEN
+@@ -651,7 +652,7 @@ SUBROUTINE PZLATTRS( UPLO, TRANS, DIAG, NORMIN, N, A, IA, JA,
+                         CALL PZDSCAL( N, REC, X, IX, JX, DESCX, 1 )
+                         XJTMP = XJTMP*REC
+                         SCALE = SCALE*REC
+-                        XMAX = XMAX*REC
++                        XMAX( 1 ) = XMAX( 1 )*REC
+                      END IF
+                   END IF
+ *                 X( J ) = ZLADIV( X( J ), TJJS )
+@@ -682,7 +683,7 @@ SUBROUTINE PZLATTRS( UPLO, TRANS, DIAG, NORMIN, N, A, IA, JA,
+                      CALL PZDSCAL( N, REC, X, IX, JX, DESCX, 1 )
+                      XJTMP = XJTMP*REC
+                      SCALE = SCALE*REC
+-                     XMAX = XMAX*REC
++                     XMAX( 1 ) = XMAX( 1 )*REC
+                   END IF
+ *                 X( J ) = ZLADIV( X( J ), TJJS )
+ *                 XJ = CABS1( X( J ) )
+@@ -706,7 +707,7 @@ SUBROUTINE PZLATTRS( UPLO, TRANS, DIAG, NORMIN, N, A, IA, JA,
+                   XJTMP = CONE
+                   XJ = ONE
+                   SCALE = ZERO
+-                  XMAX = ZERO
++                  XMAX( 1 ) = ZERO
+                END IF
+    90          CONTINUE
+ *
+@@ -715,7 +716,7 @@ SUBROUTINE PZLATTRS( UPLO, TRANS, DIAG, NORMIN, N, A, IA, JA,
+ *
+                IF( XJ.GT.ONE ) THEN
+                   REC = ONE / XJ
+-                  IF( CNORM( J ).GT.( BIGNUM-XMAX )*REC ) THEN
++                  IF( CNORM( J ).GT.( BIGNUM-XMAX( 1 ) )*REC ) THEN
+ *
+ *                    Scale x by 1/(2*abs(x(j))).
+ *
+@@ -724,7 +725,7 @@ SUBROUTINE PZLATTRS( UPLO, TRANS, DIAG, NORMIN, N, A, IA, JA,
+                      XJTMP = XJTMP*REC
+                      SCALE = SCALE*REC
+                   END IF
+-               ELSE IF( XJ*CNORM( J ).GT.( BIGNUM-XMAX ) ) THEN
++               ELSE IF( XJ*CNORM( J ).GT.( BIGNUM-XMAX( 1 ) ) ) THEN
+ *
+ *                 Scale x by 1/2.
+ *
+@@ -743,7 +744,7 @@ SUBROUTINE PZLATTRS( UPLO, TRANS, DIAG, NORMIN, N, A, IA, JA,
+                      CALL PZAXPY( J-1, ZDUM, A, IA, JA+J-1, DESCA, 1, X,
+      $                            IX, JX, DESCX, 1 )
+                      CALL PZAMAX( J-1, ZDUM, IMAX, X, IX, JX, DESCX, 1 )
+-                     XMAX = CABS1( ZDUM )
++                     XMAX( 1 ) = CABS1( ZDUM )
+                      CALL DGSUM2D( CONTXT, 'Row', ' ', 1, 1, XMAX, 1,
+      $                             -1, -1 )
+                   END IF
+@@ -757,7 +758,7 @@ SUBROUTINE PZLATTRS( UPLO, TRANS, DIAG, NORMIN, N, A, IA, JA,
+                      CALL PZAXPY( N-J, ZDUM, A, IA+J, JA+J-1, DESCA, 1,
+      $                            X, IX+J, JX, DESCX, 1 )
+                      CALL PZAMAX( N-J, ZDUM, I, X, IX+J, JX, DESCX, 1 )
+-                     XMAX = CABS1( ZDUM )
++                     XMAX( 1 ) = CABS1( ZDUM )
+                      CALL DGSUM2D( CONTXT, 'Row', ' ', 1, 1, XMAX, 1,
+      $                             -1, -1 )
+                   END IF
+@@ -785,7 +786,7 @@ SUBROUTINE PZLATTRS( UPLO, TRANS, DIAG, NORMIN, N, A, IA, JA,
+                END IF
+                XJ = CABS1( XJTMP )
+                USCAL = DCMPLX( TSCAL )
+-               REC = ONE / MAX( XMAX, ONE )
++               REC = ONE / MAX( XMAX( 1 ), ONE )
+                IF( CNORM( J ).GT.( BIGNUM-XJ )*REC ) THEN
+ *
+ *                 If x(j) could overflow, scale x by 1/(2*XMAX).
+@@ -820,7 +821,7 @@ SUBROUTINE PZLATTRS( UPLO, TRANS, DIAG, NORMIN, N, A, IA, JA,
+                      CALL PZDSCAL( N, REC, X, IX, JX, DESCX, 1 )
+                      XJTMP = XJTMP*REC
+                      SCALE = SCALE*REC
+-                     XMAX = XMAX*REC
++                     XMAX( 1 ) = XMAX( 1 )*REC
+                   END IF
+                END IF
+ *
+@@ -924,7 +925,7 @@ SUBROUTINE PZLATTRS( UPLO, TRANS, DIAG, NORMIN, N, A, IA, JA,
+                            CALL PZDSCAL( N, REC, X, IX, JX, DESCX, 1 )
+                            XJTMP = XJTMP*REC
+                            SCALE = SCALE*REC
+-                           XMAX = XMAX*REC
++                           XMAX( 1 ) = XMAX( 1 )*REC
+                         END IF
+                      END IF
+ *                    X( J ) = ZLADIV( X( J ), TJJS )
+@@ -945,7 +946,7 @@ SUBROUTINE PZLATTRS( UPLO, TRANS, DIAG, NORMIN, N, A, IA, JA,
+                         CALL PZDSCAL( N, REC, X, IX, JX, DESCX, 1 )
+                         XJTMP = XJTMP*REC
+                         SCALE = SCALE*REC
+-                        XMAX = XMAX*REC
++                        XMAX( 1 ) = XMAX( 1 )*REC
+                      END IF
+ *                    X( J ) = ZLADIV( X( J ), TJJS )
+                      XJTMP = ZLADIV( XJTMP, TJJS )
+@@ -966,7 +967,7 @@ SUBROUTINE PZLATTRS( UPLO, TRANS, DIAG, NORMIN, N, A, IA, JA,
+                      END IF
+                      XJTMP = CONE
+                      SCALE = ZERO
+-                     XMAX = ZERO
++                     XMAX( 1 ) = ZERO
+                   END IF
+   110             CONTINUE
+                ELSE
+@@ -981,7 +982,7 @@ SUBROUTINE PZLATTRS( UPLO, TRANS, DIAG, NORMIN, N, A, IA, JA,
+                      X( IROWX ) = XJTMP
+                   END IF
+                END IF
+-               XMAX = MAX( XMAX, CABS1( XJTMP ) )
++               XMAX( 1 ) = MAX( XMAX( 1 ), CABS1( XJTMP ) )
+   120       CONTINUE
+ *
+          ELSE
+@@ -1004,7 +1005,7 @@ SUBROUTINE PZLATTRS( UPLO, TRANS, DIAG, NORMIN, N, A, IA, JA,
+                END IF
+                XJ = CABS1( XJTMP )
+                USCAL = TSCAL
+-               REC = ONE / MAX( XMAX, ONE )
++               REC = ONE / MAX( XMAX( 1 ), ONE )
+                IF( CNORM( J ).GT.( BIGNUM-XJ )*REC ) THEN
+ *
+ *                 If x(j) could overflow, scale x by 1/(2*XMAX).
+@@ -1039,7 +1040,7 @@ SUBROUTINE PZLATTRS( UPLO, TRANS, DIAG, NORMIN, N, A, IA, JA,
+                      CALL PZDSCAL( N, REC, X, IX, JX, DESCX, 1 )
+                      XJTMP = XJTMP*REC
+                      SCALE = SCALE*REC
+-                     XMAX = XMAX*REC
++                     XMAX( 1 ) = XMAX( 1 )*REC
+                   END IF
+                END IF
+ *
+@@ -1145,7 +1146,7 @@ SUBROUTINE PZLATTRS( UPLO, TRANS, DIAG, NORMIN, N, A, IA, JA,
+                            CALL PZDSCAL( N, REC, X, IX, JX, DESCX, 1 )
+                            XJTMP = XJTMP*REC
+                            SCALE = SCALE*REC
+-                           XMAX = XMAX*REC
++                           XMAX( 1 ) = XMAX( 1 )*REC
+                         END IF
+                      END IF
+ *                    X( J ) = ZLADIV( X( J ), TJJS )
+@@ -1164,7 +1165,7 @@ SUBROUTINE PZLATTRS( UPLO, TRANS, DIAG, NORMIN, N, A, IA, JA,
+                         CALL PZDSCAL( N, REC, X, IX, JX, DESCX, 1 )
+                         XJTMP = XJTMP*REC
+                         SCALE = SCALE*REC
+-                        XMAX = XMAX*REC
++                        XMAX( 1 ) = XMAX( 1 )*REC
+                      END IF
+ *                    X( J ) = ZLADIV( X( J ), TJJS )
+                      XJTMP = ZLADIV( XJTMP, TJJS )
+@@ -1181,7 +1182,7 @@ SUBROUTINE PZLATTRS( UPLO, TRANS, DIAG, NORMIN, N, A, IA, JA,
+      $                  X( IROWX ) = CONE
+                      XJTMP = CONE
+                      SCALE = ZERO
+-                     XMAX = ZERO
++                     XMAX( 1 ) = ZERO
+                   END IF
+   130             CONTINUE
+                ELSE
+@@ -1194,7 +1195,7 @@ SUBROUTINE PZLATTRS( UPLO, TRANS, DIAG, NORMIN, N, A, IA, JA,
+                   IF( ( MYROW.EQ.ITMP1X ) .AND. ( MYCOL.EQ.ITMP2X ) )
+      $               X( IROWX ) = XJTMP
+                END IF
+-               XMAX = MAX( XMAX, CABS1( XJTMP ) )
++               XMAX( 1 ) = MAX( XMAX( 1 ), CABS1( XJTMP ) )
+   140       CONTINUE
+          END IF
+          SCALE = SCALE / TSCAL
+diff --git a/SRC/pzlawil.f b/SRC/pzlawil.f
+index e89a9a3..7e502ef 100644
+--- SRC/pzlawil.f
++++ SRC/pzlawil.f
+@@ -124,11 +124,10 @@ SUBROUTINE PZLAWIL( II, JJ, M, A, DESCA, H44, H33, H43H34, V )
+      $                   MODKM1, MYCOL, MYROW, NPCOL, NPROW, NUM, RIGHT,
+      $                   RSRC, UP
+       DOUBLE PRECISION   S
+-      COMPLEX*16         CDUM, H11, H12, H21, H22, H33S, H44S, V1, V2,
+-     $                   V3
++      COMPLEX*16         CDUM, H22, H33S, H44S, V1, V2
+ *     ..
+ *     .. Local Arrays ..
+-      COMPLEX*16         BUF( 4 )
++      COMPLEX*16         BUF( 4 ), H11( 1 ), H12( 1 ), H21( 1 ), V3( 1 )
+ *     ..
+ *     .. External Subroutines ..
+       EXTERNAL           BLACS_GRIDINFO, INFOG2L, ZGERV2D, ZGESD2D
+@@ -181,18 +180,18 @@ SUBROUTINE PZLAWIL( II, JJ, M, A, DESCA, H44, H33, H43H34, V )
+             IF( NPCOL.GT.1 ) THEN
+                CALL ZGERV2D( CONTXT, 1, 1, V3, 1, MYROW, LEFT )
+             ELSE
+-               V3 = A( ( ICOL-2 )*LDA+IROW )
++               V3( 1 ) = A( ( ICOL-2 )*LDA+IROW )
+             END IF
+             IF( NUM.GT.1 ) THEN
+                CALL ZGERV2D( CONTXT, 4, 1, BUF, 4, UP, LEFT )
+-               H11 = BUF( 1 )
+-               H21 = BUF( 2 )
+-               H12 = BUF( 3 )
++               H11( 1 ) = BUF( 1 )
++               H21( 1 ) = BUF( 2 )
++               H12( 1 ) = BUF( 3 )
+                H22 = BUF( 4 )
+             ELSE
+-               H11 = A( ( ICOL-3 )*LDA+IROW-2 )
+-               H21 = A( ( ICOL-3 )*LDA+IROW-1 )
+-               H12 = A( ( ICOL-2 )*LDA+IROW-2 )
++               H11( 1 ) = A( ( ICOL-3 )*LDA+IROW-2 )
++               H21( 1 ) = A( ( ICOL-3 )*LDA+IROW-1 )
++               H12( 1 ) = A( ( ICOL-2 )*LDA+IROW-2 )
+                H22 = A( ( ICOL-2 )*LDA+IROW-1 )
+             END IF
+          END IF
+@@ -225,20 +224,20 @@ SUBROUTINE PZLAWIL( II, JJ, M, A, DESCA, H44, H33, H43H34, V )
+             IF( NUM.GT.1 ) THEN
+                CALL ZGERV2D( CONTXT, 1, 1, H11, 1, UP, LEFT )
+             ELSE
+-               H11 = A( ( ICOL-3 )*LDA+IROW-2 )
++               H11( 1 ) = A( ( ICOL-3 )*LDA+IROW-2 )
+             END IF
+             IF( NPROW.GT.1 ) THEN
+                CALL ZGERV2D( CONTXT, 1, 1, H12, 1, UP, MYCOL )
+             ELSE
+-               H12 = A( ( ICOL-2 )*LDA+IROW-2 )
++               H12( 1 ) = A( ( ICOL-2 )*LDA+IROW-2 )
+             END IF
+             IF( NPCOL.GT.1 ) THEN
+                CALL ZGERV2D( CONTXT, 1, 1, H21, 1, MYROW, LEFT )
+             ELSE
+-               H21 = A( ( ICOL-3 )*LDA+IROW-1 )
++               H21( 1 ) = A( ( ICOL-3 )*LDA+IROW-1 )
+             END IF
+             H22 = A( ( ICOL-2 )*LDA+IROW-1 )
+-            V3 = A( ( ICOL-2 )*LDA+IROW )
++            V3( 1 ) = A( ( ICOL-2 )*LDA+IROW )
+          END IF
+       END IF
+       IF( ( MYROW.NE.II ) .OR. ( MYCOL.NE.JJ ) )
+@@ -247,24 +246,24 @@ SUBROUTINE PZLAWIL( II, JJ, M, A, DESCA, H44, H33, H43H34, V )
+       IF( MODKM1.GT.1 ) THEN
+          CALL INFOG2L( M+2, M+2, DESCA, NPROW, NPCOL, MYROW, MYCOL,
+      $                 IROW, ICOL, RSRC, JSRC )
+-         H11 = A( ( ICOL-3 )*LDA+IROW-2 )
+-         H21 = A( ( ICOL-3 )*LDA+IROW-1 )
+-         H12 = A( ( ICOL-2 )*LDA+IROW-2 )
++         H11( 1 ) = A( ( ICOL-3 )*LDA+IROW-2 )
++         H21( 1 ) = A( ( ICOL-3 )*LDA+IROW-1 )
++         H12( 1 ) = A( ( ICOL-2 )*LDA+IROW-2 )
+          H22 = A( ( ICOL-2 )*LDA+IROW-1 )
+-         V3 = A( ( ICOL-2 )*LDA+IROW )
++         V3( 1 ) = A( ( ICOL-2 )*LDA+IROW )
+       END IF
+ *
+-      H44S = H44 - H11
+-      H33S = H33 - H11
+-      V1 = ( H33S*H44S-H43H34 ) / H21 + H12
+-      V2 = H22 - H11 - H33S - H44S
+-      S = CABS1( V1 ) + CABS1( V2 ) + CABS1( V3 )
++      H44S = H44 - H11( 1 )
++      H33S = H33 - H11( 1 )
++      V1 = ( H33S*H44S-H43H34 ) / H21( 1 ) + H12( 1 )
++      V2 = H22 - H11( 1 ) - H33S - H44S
++      S = CABS1( V1 ) + CABS1( V2 ) + CABS1( V3( 1 ) )
+       V1 = V1 / S
+       V2 = V2 / S
+-      V3 = V3 / S
++      V3( 1 ) = V3( 1 ) / S
+       V( 1 ) = V1
+       V( 2 ) = V2
+-      V( 3 ) = V3
++      V( 3 ) = V3( 1 )
+ *
+       RETURN
+ *
+diff --git a/SRC/pztrevc.f b/SRC/pztrevc.f
+index 0536475..3b27286 100644
+--- SRC/pztrevc.f
++++ SRC/pztrevc.f
+@@ -218,11 +218,12 @@ SUBROUTINE PZTREVC( SIDE, HOWMNY, SELECT, N, T, DESCT, VL, DESCVL,
+      $                   ITMP2, J, K, KI, LDT, LDVL, LDVR, LDW, MB,
+      $                   MYCOL, MYROW, NB, NPCOL, NPROW, RSRC
+       REAL               SELF
+-      DOUBLE PRECISION   OVFL, REMAXD, SCALE, SMIN, SMLNUM, ULP, UNFL
++      DOUBLE PRECISION   OVFL, REMAXD, SCALE, SMLNUM, ULP, UNFL
+       COMPLEX*16         CDUM, REMAXC, SHIFT
+ *     ..
+ *     .. Local Arrays ..
+       INTEGER            DESCW( DLEN_ )
++      DOUBLE PRECISION   SMIN( 1 )
+ *     ..
+ *     .. External Functions ..
+       LOGICAL            LSAME
+@@ -355,13 +356,13 @@ SUBROUTINE PZTREVC( SIDE, HOWMNY, SELECT, N, T, DESCT, VL, DESCVL,
+      $            GO TO 70
+             END IF
+ *
+-            SMIN = ZERO
++            SMIN( 1 ) = ZERO
+             SHIFT = CZERO
+             CALL INFOG2L( KI, KI, DESCT, NPROW, NPCOL, MYROW, MYCOL,
+      $                    IROW, ICOL, ITMP1, ITMP2 )
+             IF( ( MYROW.EQ.ITMP1 ) .AND. ( MYCOL.EQ.ITMP2 ) ) THEN
+                SHIFT = T( ( ICOL-1 )*LDT+IROW )
+-               SMIN = MAX( ULP*( CABS1( SHIFT ) ), SMLNUM )
++               SMIN( 1 ) = MAX( ULP*( CABS1( SHIFT ) ), SMLNUM )
+             END IF
+             CALL DGSUM2D( CONTXT, 'ALL', ' ', 1, 1, SMIN, 1, -1, -1 )
+             CALL ZGSUM2D( CONTXT, 'ALL', ' ', 1, 1, SHIFT, 1, -1, -1 )
+@@ -396,8 +397,9 @@ SUBROUTINE PZTREVC( SIDE, HOWMNY, SELECT, N, T, DESCT, VL, DESCVL,
+                IF( ( MYROW.EQ.ITMP1 ) .AND. ( MYCOL.EQ.ITMP2 ) ) THEN
+                   T( ( ICOL-1 )*LDT+IROW ) = T( ( ICOL-1 )*LDT+IROW ) -
+      $               SHIFT
+-                  IF( CABS1( T( ( ICOL-1 )*LDT+IROW ) ).LT.SMIN ) THEN
+-                     T( ( ICOL-1 )*LDT+IROW ) = DCMPLX( SMIN )
++                  IF( CABS1( T( ( ICOL-1 )*LDT+IROW ) ).LT.SMIN( 1 ) )
++     $            THEN
++                     T( ( ICOL-1 )*LDT+IROW ) = DCMPLX( SMIN( 1 ) )
+                   END IF
+                END IF
+    50       CONTINUE
+@@ -467,13 +469,13 @@ SUBROUTINE PZTREVC( SIDE, HOWMNY, SELECT, N, T, DESCT, VL, DESCVL,
+      $            GO TO 110
+             END IF
+ *
+-            SMIN = ZERO
++            SMIN( 1 ) = ZERO
+             SHIFT = CZERO
+             CALL INFOG2L( KI, KI, DESCT, NPROW, NPCOL, MYROW, MYCOL,
+      $                    IROW, ICOL, ITMP1, ITMP2 )
+             IF( ( MYROW.EQ.ITMP1 ) .AND. ( MYCOL.EQ.ITMP2 ) ) THEN
+                SHIFT = T( ( ICOL-1 )*LDT+IROW )
+-               SMIN = MAX( ULP*( CABS1( SHIFT ) ), SMLNUM )
++               SMIN( 1 ) = MAX( ULP*( CABS1( SHIFT ) ), SMLNUM )
+             END IF
+             CALL DGSUM2D( CONTXT, 'ALL', ' ', 1, 1, SMIN, 1, -1, -1 )
+             CALL ZGSUM2D( CONTXT, 'ALL', ' ', 1, 1, SHIFT, 1, -1, -1 )
+@@ -507,8 +509,8 @@ SUBROUTINE PZTREVC( SIDE, HOWMNY, SELECT, N, T, DESCT, VL, DESCVL,
+                IF( ( MYROW.EQ.ITMP1 ) .AND. ( MYCOL.EQ.ITMP2 ) ) THEN
+                   T( ( ICOL-1 )*LDT+IROW ) = T( ( ICOL-1 )*LDT+IROW ) -
+      $               SHIFT
+-                  IF( CABS1( T( ( ICOL-1 )*LDT+IROW ) ).LT.SMIN )
+-     $               T( ( ICOL-1 )*LDT+IROW ) = DCMPLX( SMIN )
++                  IF( CABS1( T( ( ICOL-1 )*LDT+IROW ) ).LT.SMIN( 1 ) )
++     $               T( ( ICOL-1 )*LDT+IROW ) = DCMPLX( SMIN( 1 ) )
+                END IF
+    90       CONTINUE
+ *
+
+From 189c84001bcd564296a475c5c757afc9f337e828 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Tiziano=20M=C3=BCller?= <tiziano.mueller%chem.uzh.ch@localhost>
+Date: Thu, 25 Jun 2020 18:37:34 +0200
+Subject: [PATCH 2/2] use -std=legacy for tests with GCC-10+
+
+---
+ BLACS/TESTING/CMakeLists.txt | 10 +++++++---
+ PBLAS/TESTING/CMakeLists.txt |  7 ++++---
+ PBLAS/TIMING/CMakeLists.txt  |  5 +++--
+ TESTING/EIG/CMakeLists.txt   |  3 +++
+ TESTING/LIN/CMakeLists.txt   |  4 ++++
+ 5 files changed, 21 insertions(+), 8 deletions(-)
+
+diff --git a/BLACS/TESTING/CMakeLists.txt b/BLACS/TESTING/CMakeLists.txt
+index d8846b5..4e91ac2 100644
+--- BLACS/TESTING/CMakeLists.txt
++++ BLACS/TESTING/CMakeLists.txt
+@@ -1,10 +1,14 @@
+-set(FTestObj  
++set(FTestObj
+    blacstest.f btprim.f tools.f)
+ 
++if ("${CMAKE_Fortran_COMPILER_ID}" STREQUAL "GNU" AND CMAKE_Fortran_COMPILER_VERSION VERSION_GREATER_EQUAL 10)
++    set_source_files_properties(blacstest.f PROPERTIES COMPILE_FLAGS "-std=legacy")
++endif()
++
+ add_executable(xFbtest ${FTestObj})
+ target_link_libraries(xFbtest scalapack)
+ 
+-set(CTestObj  
++set(CTestObj
+    Cbt.c)
+ 
+ set_property(
+@@ -46,4 +50,4 @@ add_test(xFbtest
+     -DRUNTIMEDIR=${CMAKE_RUNTIME_OUTPUT_DIRECTORY}
+     -DSOURCEDIR=${CMAKE_CURRENT_SOURCE_DIR}
+     -P ${CMAKE_CURRENT_SOURCE_DIR}/runtest.cmake
+-    )
+\ No newline at end of file
++    )
+diff --git a/PBLAS/TESTING/CMakeLists.txt b/PBLAS/TESTING/CMakeLists.txt
+index e60f5e4..ee77091 100644
+--- PBLAS/TESTING/CMakeLists.txt
++++ PBLAS/TESTING/CMakeLists.txt
+@@ -10,7 +10,7 @@ set (zpbtcom pzblastst.f dlamch.f ${pbtcom})
+ 
+ set_property(
+    SOURCE ${PblasErrorHandler}
+-   APPEND PROPERTY COMPILE_DEFINITIONS TestingPblas 
++   APPEND PROPERTY COMPILE_DEFINITIONS TestingPblas
+    )
+ 
+ set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${SCALAPACK_BINARY_DIR}/PBLAS/TESTING)
+@@ -74,5 +74,6 @@ add_test(dpb3tst ${MPIEXEC} ${MPIEXEC_NUMPROC_FLAG} 4 ./dpb3tst)
+ add_test(cpb3tst ${MPIEXEC} ${MPIEXEC_NUMPROC_FLAG} 4 ./cpb3tst)
+ add_test(zpb3tst ${MPIEXEC} ${MPIEXEC_NUMPROC_FLAG} 4 ./zpb3tst)
+ 
+-
+-
++if ("${CMAKE_Fortran_COMPILER_ID}" STREQUAL "GNU" AND CMAKE_Fortran_COMPILER_VERSION VERSION_GREATER_EQUAL 10)
++    set( CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -std=legacy" )  # local to this directory
++endif()
+diff --git a/PBLAS/TIMING/CMakeLists.txt b/PBLAS/TIMING/CMakeLists.txt
+index 763330f..208bbc3 100644
+--- PBLAS/TIMING/CMakeLists.txt
++++ PBLAS/TIMING/CMakeLists.txt
+@@ -74,5 +74,6 @@ add_test(dpb3tim ${MPIEXEC} ${MPIEXEC_NUMPROC_FLAG} 4 ./dpb3tim)
+ add_test(cpb3tim ${MPIEXEC} ${MPIEXEC_NUMPROC_FLAG} 4 ./cpb3tim)
+ add_test(zpb3tim ${MPIEXEC} ${MPIEXEC_NUMPROC_FLAG} 4 ./zpb3tim)
+ 
+-
+-
++if ("${CMAKE_Fortran_COMPILER_ID}" STREQUAL "GNU" AND CMAKE_Fortran_COMPILER_VERSION VERSION_GREATER_EQUAL 10)
++    set( CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -std=legacy" )  # local to this directory
++endif()
+diff --git a/TESTING/EIG/CMakeLists.txt b/TESTING/EIG/CMakeLists.txt
+index 97c7036..19a1f34 100644
+--- TESTING/EIG/CMakeLists.txt
++++ TESTING/EIG/CMakeLists.txt
+@@ -97,3 +97,6 @@ target_link_libraries(xzheevr scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
+ target_link_libraries(xshseqr scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
+ target_link_libraries(xdhseqr scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
+ 
++if ("${CMAKE_Fortran_COMPILER_ID}" STREQUAL "GNU" AND CMAKE_Fortran_COMPILER_VERSION VERSION_GREATER_EQUAL 10)
++    set( CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -std=legacy" )  # local to this directory
++endif()
+diff --git a/TESTING/LIN/CMakeLists.txt b/TESTING/LIN/CMakeLists.txt
+index 55a53e9..65f169b 100644
+--- TESTING/LIN/CMakeLists.txt
++++ TESTING/LIN/CMakeLists.txt
+@@ -110,3 +110,7 @@ target_link_libraries(xsls scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
+ target_link_libraries(xdls scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
+ target_link_libraries(xcls scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
+ target_link_libraries(xzls scalapack ${LAPACK_LIBRARIES} ${BLAS_LIBRARIES})
++
++if ("${CMAKE_Fortran_COMPILER_ID}" STREQUAL "GNU" AND CMAKE_Fortran_COMPILER_VERSION VERSION_GREATER_EQUAL 10)
++    set( CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -std=legacy" )  # local to this directory
++endif()
diff --git a/scalapack/patches/patch-scalapack.pc.in b/scalapack/patches/patch-scalapack.pc.in
new file mode 100644
index 0000000000..ca321a2010
--- /dev/null
+++ b/scalapack/patches/patch-scalapack.pc.in
@@ -0,0 +1,13 @@
+$NetBSD$
+
+Do not assume fixed names for MPI and BLAS dependency pkg-config
+packages. They can vary. Rather use provided libraries directly.
+
+--- scalapack.pc.in.orig	2020-06-09 07:23:53.989672521 +0200
++++ scalapack.pc.in	2020-06-09 07:24:47.789286720 +0200
+@@ -6,4 +6,4 @@
+ Version: @SCALAPACK_VERSION@
+ URL: http://www.netlib.org/scalapack/
+ Libs: -L${libdir} -lscalapack
+-Requires: mpi lapack blas
++Libs.private: @MPI_LIBRARIES@ @BLAS_LIBRARIES@ @LAPACK_LIBRARIES@



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