diff options
Diffstat (limited to 'math')
| -rw-r--r-- | math/Makefile | 2 | ||||
| -rw-r--r-- | math/test-fenv-preserve.c | 53 |
2 files changed, 54 insertions, 1 deletions
diff --git a/math/Makefile b/math/Makefile index 09d14a0dcd..c13ca80cf8 100644 --- a/math/Makefile +++ b/math/Makefile @@ -90,7 +90,7 @@ tests = test-matherr test-fenv atest-exp atest-sincos atest-exp2 basic-test \ test-misc test-fpucw test-fpucw-ieee tst-definitions test-tgmath \ test-tgmath-ret bug-nextafter bug-nexttoward bug-tgmath1 \ test-tgmath-int test-tgmath2 test-powl tst-CMPLX tst-CMPLX2 test-snan \ - test-fenv-tls $(tests-static) + test-fenv-tls test-fenv-preserve $(tests-static) tests-static = test-fpucw-static test-fpucw-ieee-static # We do the `long double' tests only if this data type is available and # distinct from `double'. diff --git a/math/test-fenv-preserve.c b/math/test-fenv-preserve.c new file mode 100644 index 0000000000..8288b2c971 --- /dev/null +++ b/math/test-fenv-preserve.c @@ -0,0 +1,53 @@ +/* Test fegetenv preserves exception mask (bug 16198). + Copyright (C) 2014 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 <fenv.h> +#include <stdio.h> + +static int +do_test (void) +{ + fenv_t env; + + if (feenableexcept (FE_INVALID) != 0) + { + puts ("feenableexcept (FE_INVALID) failed, cannot test"); + return 0; + } + + if (fegetenv (&env) != 0) + { + puts ("fegetenv failed, cannot test"); + return 0; + } + + int ret = fegetexcept (); + if (ret == FE_INVALID) + { + puts ("fegetenv preserved exception mask, OK"); + return 0; + } + else + { + printf ("fegetexcept returned %d, expected %d\n", ret, FE_INVALID); + return 1; + } +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" |