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/* Test lgamma functions set signgam for -ffinite-math-only (bug 19211).
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/>. */
#include <math.h>
#include <stdio.h>
#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 == 1) \
puts ("PASS: " #FUNC " (0.5) setting signgam"); \
else \
{ \
puts ("FAIL: " #FUNC " (0.5) setting signgam"); \
result = 1; \
} \
signgam = 123; \
c = FUNC (b); \
if (signgam == -1) \
puts ("PASS: " #FUNC " (-0.5) setting signgam"); \
else \
{ \
puts ("FAIL: " #FUNC " (-0.5) setting signgam"); \
result = 1; \
} \
} \
while (0)
static int
do_test (void)
{
int result = 0;
RUN_TESTS (lgammaf, float);
RUN_TESTS (gammaf, float);
RUN_TESTS (lgamma, double);
RUN_TESTS (gamma, double);
#ifndef NO_LONG_DOUBLE
RUN_TESTS (lgammal, long double);
RUN_TESTS (gammal, long double);
#endif
return result;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
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