[src/trunk]: src/tests/lib/libm Fix build for platforms w/o fenv.h.

[martin <martin%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/07dc90e76221
branches:  trunk
changeset: 794003:07dc90e76221
user:      martin <martin%NetBSD.org@localhost>
date:      Mon Mar 03 10:38:36 2014 +0000

description:
Fix build for platforms w/o fenv.h.
Remove some bogus #ifdef __vax__ (and add a few, hopefully non-bogus,
new ones).

diffstat:

 tests/lib/libm/t_acos.c |  22 +++++++++++++++++-----
 1 files changed, 17 insertions(+), 5 deletions(-)

diffs (78 lines):

diff -r 3a65f7bb9d7f -r 07dc90e76221 tests/lib/libm/t_acos.c
--- a/tests/lib/libm/t_acos.c   Mon Mar 03 09:10:46 2014 +0000
+++ b/tests/lib/libm/t_acos.c   Mon Mar 03 10:38:36 2014 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: t_acos.c,v 1.6 2014/03/02 22:40:45 dsl Exp $ */
+/* $NetBSD: t_acos.c,v 1.7 2014/03/03 10:38:36 martin Exp $ */
 
 /*-
  * Copyright (c) 2011 The NetBSD Foundation, Inc.
@@ -31,12 +31,16 @@
 
 #include <atf-c.h>
 #include <math.h>
+
+#ifdef HAVE_FENV_H
 #include <fenv.h>
+#endif
 
 /*
  * Check result of fn(arg) is correct within the bounds.
  * Should be ok to do the checks using 'double' for 'float' functions.
  */
+#ifdef HAVE_FENV_H
 #define T_LIBM_CHECK(subtest, fn, arg, expect, epsilon) do { \
        double r = fn(arg); \
        double e = fabs(r - expect); \
@@ -45,6 +49,16 @@
                    "subtest %zu: " #fn "(%g) is %g not %g (error %g > %g), roundmode %x", \
                    subtest, arg, r, expect, e, epsilon, fegetround()); \
     } while (0)
+#else
+#define T_LIBM_CHECK(subtest, fn, arg, expect, epsilon) do { \
+       double r = fn(arg); \
+       double e = fabs(r - expect); \
+       if (e > epsilon) \
+               atf_tc_fail_nonfatal( \
+                   "subtest %zu: " #fn "(%g) is %g not %g (error %g > %g)", \
+                   subtest, arg, r, expect, e, epsilon); \
+    } while (0)
+#endif
 
 /* Check that the result of fn(arg) is NaN */
 #ifndef __vax__
@@ -74,9 +88,11 @@
            -1.000000001, 1.000000001,
            -1.0000001, 1.0000001,
            -1.1, 1.1,
+#ifndef __vax__
            0.0L / 0.0L,  /* NAN */
            -1.0L / 0.0L, /* -Inf */
            +1.0L / 0.0L, /* +Inf */
+#endif
        };
        size_t i;
 
@@ -120,22 +136,18 @@
 
 AFT_LIBM_TEST(acos_one_pos, "Test acos(1.0) == +0.0")
 {
-#ifndef __vax__
        const double y = acos(1.0);
 
        if (fabs(y) > 0.0 || signbit(y) != 0)
                atf_tc_fail_nonfatal("acos(1.0) != +0.0");
-#endif
 }
 
 AFT_LIBM_TEST(acosf_one_pos, "Test acosf(1.0) == +0.0")
 {
-#ifndef __vax__
        const float y = acosf(1.0);
 
        if (fabsf(y) > 0.0 || signbit(y) != 0)
                atf_tc_fail_nonfatal("acosf(1.0) != +0.0");
-#endif
 }
 
 ATF_TP_ADD_TCS(tp)