66 lines
1.9 KiB
C
66 lines
1.9 KiB
C
/* Test lgamma functions set signgam for -ffinite-math-only (bug 19211).
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Copyright (C) 2015-2017 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <math.h>
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#include <stdio.h>
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#define RUN_TESTS(FUNC, TYPE) \
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do \
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{ \
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volatile TYPE a, b, c __attribute__ ((unused)); \
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a = 0.5; \
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b = -0.5; \
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signgam = 123; \
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c = FUNC (a); \
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if (signgam == 1) \
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puts ("PASS: " #FUNC " (0.5) setting signgam"); \
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else \
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{ \
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puts ("FAIL: " #FUNC " (0.5) setting signgam"); \
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result = 1; \
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} \
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signgam = 123; \
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c = FUNC (b); \
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if (signgam == -1) \
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puts ("PASS: " #FUNC " (-0.5) setting signgam"); \
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else \
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{ \
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puts ("FAIL: " #FUNC " (-0.5) setting signgam"); \
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result = 1; \
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} \
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} \
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while (0)
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static int
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do_test (void)
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{
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int result = 0;
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RUN_TESTS (lgammaf, float);
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RUN_TESTS (gammaf, float);
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RUN_TESTS (lgamma, double);
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RUN_TESTS (gamma, double);
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#ifndef NO_LONG_DOUBLE
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RUN_TESTS (lgammal, long double);
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RUN_TESTS (gammal, long double);
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#endif
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return result;
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}
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"
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