From ecab4471c7da5d367a62c8db75ee54ed6d948e40 Mon Sep 17 00:00:00 2001 From: Eric Blake Date: Thu, 26 Feb 2009 20:18:42 -0700 Subject: avoid gcc 3.4.3 bug on long double NaN on Irix 6.5 * tests/nan.h (NaNl): Rewrite as function on Irix, to avoid compilation bug by using runtime conversion. * m4/isfinite.m4 (gl_ISFINITE): Likewise. * m4/isnanl.m4 (gl_FUNC_ISNANL): Likewise. * modules/ceill-tests (Files): Use nan.h. * modules/floorl-tests (Files): Likewise. * modules/frexpl-tests (Files): Likewise. * modules/isnanl-tests (Files): Likewise. * modules/ldexpl-tests (Files): Likewise. * modules/roundl-tests (Files): Likewise. * modules/truncl-tests (Files): Likewise. * tests/test-ceill.c (main): Use a working NaN. * tests/test-floorl.c (main): Likewise. * tests/test-frexpl.c (main): Likewise. * tests/test-isnan.c (test_long_double): Likewise. * tests/test-isnanl.h (main): Likewise. * tests/test-ldexpl.h (main): Likewise. * tests/test-roundl.h (main): Likewise. * tests/test-truncl.h (main): Likewise. See http://lists.gnu.org/archive/html/bug-gnulib/2009-02/msg00190.html. Signed-off-by: Eric Blake --- tests/test-isnan.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'tests/test-isnan.c') diff --git a/tests/test-isnan.c b/tests/test-isnan.c index 61490176c2..9a0856a0e7 100644 --- a/tests/test-isnan.c +++ b/tests/test-isnan.c @@ -163,14 +163,14 @@ test_long_double (void) ASSERT (!isnan (1.0L / 0.0L)); ASSERT (!isnan (-1.0L / 0.0L)); /* Quiet NaN. */ - ASSERT (isnan (0.0L / 0.0L)); + ASSERT (isnan (NaNl ())); #if defined LDBL_EXPBIT0_WORD && defined LDBL_EXPBIT0_BIT /* A bit pattern that is different from a Quiet NaN. With a bit of luck, it's a Signalling NaN. */ { memory_long_double m; - m.value = 0.0L / 0.0L; + m.value = NaNl (); # if LDBL_EXPBIT0_BIT > 0 m.word[LDBL_EXPBIT0_WORD] ^= (unsigned int) 1 << (LDBL_EXPBIT0_BIT - 1); # else -- cgit v1.2.1