[src/trunk]: src/tests/lib/libm print what went wrong.

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

details:   https://anonhg.NetBSD.org/src/rev/3aa040b39040
branches:  trunk
changeset: 347872:3aa040b39040
user:      christos <christos%NetBSD.org@localhost>
date:      Tue Sep 20 17:19:28 2016 +0000

description:
print what went wrong.

diffstat:

 tests/lib/libm/t_casinh.c |  11 +++++++----
 1 files changed, 7 insertions(+), 4 deletions(-)

diffs (32 lines):

diff -r 6fbfd5a00674 -r 3aa040b39040 tests/lib/libm/t_casinh.c
--- a/tests/lib/libm/t_casinh.c Tue Sep 20 15:03:07 2016 +0000
+++ b/tests/lib/libm/t_casinh.c Tue Sep 20 17:19:28 2016 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: t_casinh.c,v 1.1 2016/08/31 14:05:10 maya Exp $ */
+/* $NetBSD: t_casinh.c,v 1.2 2016/09/20 17:19:28 christos Exp $ */
 
 /*
  * Written by Maya Rashish
@@ -44,8 +44,11 @@
 #define crude_equality(a,b) ((a == b) || both_nan(a,b))
 
 #define ATF_COMPLEX_EQUAL(a,b) do { \
-       ATF_CHECK(crude_equality(creal(a),creal(b)) && \
-           crude_equality(cimag(a), cimag(b))); \
+       complex double ci = casinh(a); \
+       ATF_CHECK_MSG(crude_equality(creal(ci),creal(b)) && \
+           crude_equality(cimag(ci), cimag(b)), \
+           "for casinh([%g,%g]) = [%g,%g] != [%g,%g]", \
+           creal(a), cimag(a), creal(ci), cimag(ci), creal(b), cimag(b)); \
 } while (0/*CONSTCOND*/)
 
 
@@ -65,7 +68,7 @@
                IM(input) = values[i].input_im;
                RE(result) = values[i].result_re;
                IM(result) = values[i].result_im;
-               ATF_COMPLEX_EQUAL(casinh(input), result);
+               ATF_COMPLEX_EQUAL(input, result);
        }
 }