Mercurial > gnulib
view tests/test-fmod-ieee.h @ 40231:9b3c79fdfe0b
strtod: fix clash with strtold
Problem reported for RHEL 5 by Jesse Caldwell (Bug#34817).
* lib/strtod.c (compute_minus_zero, minus_zero):
Simplify by remving the macro / external variable,
and having just a function. User changed. This avoids
the need for an external variable that might clash.
author | Paul Eggert <eggert@cs.ucla.edu> |
---|---|
date | Mon, 11 Mar 2019 16:40:29 -0700 |
parents | b06060465f09 |
children |
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/* Test of fmod*() function family. Copyright (C) 2012-2019 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>. */ static void test_function (void) { /* [MX] shaded specification in POSIX. */ /* NaN. */ ASSERT (ISNAN (FMOD (NAN, L_(2.0)))); ASSERT (ISNAN (FMOD (NAN, L_(0.0)))); ASSERT (ISNAN (FMOD (L_(2.0), NAN))); ASSERT (ISNAN (FMOD (L_(0.0), NAN))); ASSERT (ISNAN (FMOD (NAN, NAN))); /* y is zero. */ ASSERT (ISNAN (FMOD (L_(2.0), L_(0.0)))); ASSERT (ISNAN (FMOD (L_(2.0), MINUS_ZERO))); ASSERT (ISNAN (FMOD (INFINITY, L_(0.0)))); ASSERT (ISNAN (FMOD (INFINITY, MINUS_ZERO))); /* x is infinite. */ ASSERT (ISNAN (FMOD (INFINITY, L_(2.0)))); ASSERT (ISNAN (FMOD (INFINITY, - L_(2.0)))); /* x is zero. */ { DOUBLE z = FMOD (L_(0.0), L_(2.0)); ASSERT (z == L_(0.0)); ASSERT (!signbit (z)); } { DOUBLE z = FMOD (MINUS_ZERO, L_(2.0)); ASSERT (z == L_(0.0)); ASSERT (!!signbit (z) == !!signbit (MINUS_ZERO)); } { DOUBLE z = FMOD (L_(0.0), - L_(2.0)); ASSERT (z == L_(0.0)); ASSERT (!signbit (z)); } { DOUBLE z = FMOD (MINUS_ZERO, - L_(2.0)); ASSERT (z == L_(0.0)); ASSERT (!!signbit (z) == !!signbit (MINUS_ZERO)); } { DOUBLE z = FMOD (L_(0.0), INFINITY); ASSERT (z == L_(0.0)); ASSERT (!signbit (z)); } { DOUBLE z = FMOD (MINUS_ZERO, INFINITY); ASSERT (z == L_(0.0)); ASSERT (!!signbit (z) == !!signbit (MINUS_ZERO)); } { DOUBLE z = FMOD (L_(0.0), - INFINITY); ASSERT (z == L_(0.0)); ASSERT (!signbit (z)); } { DOUBLE z = FMOD (MINUS_ZERO, - INFINITY); ASSERT (z == L_(0.0)); ASSERT (!!signbit (z) == !!signbit (MINUS_ZERO)); } /* y is infinite. */ { DOUBLE z = FMOD (L_(2.5), INFINITY); ASSERT (z == L_(2.5)); } { DOUBLE z = FMOD (L_(2.5), - INFINITY); ASSERT (z == L_(2.5)); } { DOUBLE z = FMOD (- L_(2.5), INFINITY); ASSERT (z == - L_(2.5)); } { DOUBLE z = FMOD (- L_(2.5), - INFINITY); ASSERT (z == - L_(2.5)); } }