diff options
Diffstat (limited to 'REORG.TODO/math/test-signgam-finite-c99.c')
-rw-r--r-- | REORG.TODO/math/test-signgam-finite-c99.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/REORG.TODO/math/test-signgam-finite-c99.c b/REORG.TODO/math/test-signgam-finite-c99.c new file mode 100644 index 0000000000..3dacef5147 --- /dev/null +++ b/REORG.TODO/math/test-signgam-finite-c99.c @@ -0,0 +1,66 @@ +/* Test lgamma functions do not set signgam for -ffinite-math-only for ISO C. + Copyright (C) 2015-2017 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 __LIBC_INTERNAL_MATH_INLINES +#undef _GNU_SOURCE +#undef _Mlong_double_ + +#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; +} |