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author | Waldemar Brodkorb <wbx@uclibc-ng.org> | 2016-11-03 13:03:55 +0100 |
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committer | Waldemar Brodkorb <wbx@uclibc-ng.org> | 2016-11-03 13:03:55 +0100 |
commit | 3384c45e66ddf18f235654b67ae34ac7dcb07534 (patch) | |
tree | edbd0f03b72acb5961f7919e13da34a34a84fc23 /test/math/test-nearbyint-except-2.c | |
parent | 29d1023614fcfef8520edec8b64e9f8953d9a121 (diff) |
math: sync with GNU libc
The format of the ULPS files have changed, non-glibc architecture
files needs to be updated later.
Add all math tests from latest GNU libc and allow to compile
and run them on uClibc-ng and GNU libc systems.
Diffstat (limited to 'test/math/test-nearbyint-except-2.c')
-rw-r--r-- | test/math/test-nearbyint-except-2.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/test/math/test-nearbyint-except-2.c b/test/math/test-nearbyint-except-2.c new file mode 100644 index 0000000..2fc4ca6 --- /dev/null +++ b/test/math/test-nearbyint-except-2.c @@ -0,0 +1,80 @@ +/* Test nearbyint functions do not disable exception traps (bug 19228). + Copyright (C) 2015-2016 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/>. */ + +#if __UCLIBC_HAS_FENV__ +#include <fenv.h> +#endif +#include <math.h> +#include <stdio.h> + +#if __UCLIBC_HAS_FENV__ +#ifndef FE_INEXACT +# define FE_INEXACT 0 +#endif + +#define TEST_FUNC(NAME, FLOAT, SUFFIX) \ +static int \ +NAME (void) \ +{ \ + int result = 0; \ + volatile FLOAT a, b __attribute__ ((unused)); \ + a = 1.5; \ + /* nearbyint must work when traps on "inexact" are enabled. */ \ + b = nearbyint ## SUFFIX (a); \ + /* And it must have left those traps enabled. */ \ + if (fegetexcept () == FE_INEXACT) \ + puts ("PASS: " #FLOAT); \ + else \ + { \ + puts ("FAIL: " #FLOAT); \ + result = 1; \ + } \ + return result; \ +} + +TEST_FUNC (float_test, float, f) +TEST_FUNC (double_test, double, ) +#ifndef NO_LONG_DOUBLE +TEST_FUNC (ldouble_test, long double, l) +#endif +#endif + +static int +do_test (void) +{ +#if __UCLIBC_HAS_FENV__ + if (feenableexcept (FE_INEXACT) == -1) + { + puts ("enabling FE_INEXACT traps failed, cannot test"); + return 77; + } + int result = float_test (); + feenableexcept (FE_INEXACT); + result |= double_test (); +#ifndef NO_LONG_DOUBLE + feenableexcept (FE_INEXACT); + result |= ldouble_test (); +#endif + return result; +#else + return 23; +#endif +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" |