glibc/math/test-signgam-finite-c99.c
Florian Weimer b43e85786f Work around conflicting declarations of math functions
This restores compilation on architectures such as armhfp which
alias acos and acosl because double and long double are the same.
2015-11-16 21:29:14 +01:00

67 lines
1.8 KiB
C

/* Test lgamma functions do not set signgam for -ffinite-math-only for ISO C.
Copyright (C) 2015 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#undef _LIBC
#undef _GNU_SOURCE
#undef _Mlong_double_
#define _ISOMAC
#include <math.h>
#include <stdio.h>
int signgam;
#define RUN_TESTS(FUNC, TYPE) \
do \
{ \
volatile TYPE a, b, c __attribute__ ((unused)); \
a = 0.5; \
b = -0.5; \
signgam = 123; \
c = FUNC (a); \
if (signgam == 123) \
puts ("PASS: " #FUNC " (0.5) setting signgam"); \
else \
{ \
puts ("FAIL: " #FUNC " (0.5) setting signgam"); \
result = 1; \
} \
signgam = 123; \
c = FUNC (b); \
if (signgam == 123) \
puts ("PASS: " #FUNC " (-0.5) setting signgam"); \
else \
{ \
puts ("FAIL: " #FUNC " (-0.5) setting signgam"); \
result = 1; \
} \
} \
while (0)
int
main (void)
{
int result = 0;
RUN_TESTS (lgammaf, float);
RUN_TESTS (lgamma, double);
#ifndef NO_LONG_DOUBLE
RUN_TESTS (lgammal, long double);
#endif
return result;
}