| /* Test fegetexceptflag and fesetexceptflag: exception traps enabled. |
| Copyright (C) 2016-2018 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> |
| #include <math-tests.h> |
| |
| static int |
| do_test (void) |
| { |
| int result = 0; |
| |
| fedisableexcept (FE_ALL_EXCEPT); |
| int ret = feraiseexcept (FE_ALL_EXCEPT); |
| if (ret != 0) |
| { |
| if (EXCEPTION_TESTS (float)) |
| { |
| puts ("feraiseexcept (FE_ALL_EXCEPT) failed"); |
| result = 1; |
| return result; |
| } |
| else |
| { |
| puts ("feraiseexcept (FE_ALL_EXCEPT) unsupported, cannot test"); |
| return 77; |
| } |
| } |
| fexcept_t saved; |
| ret = fegetexceptflag (&saved, FE_ALL_EXCEPT); |
| if (ret != 0) |
| { |
| puts ("fegetexceptflag failed"); |
| result = 1; |
| return result; |
| } |
| feclearexcept (FE_ALL_EXCEPT); |
| |
| ret = feenableexcept (FE_ALL_EXCEPT); |
| if (!EXCEPTION_ENABLE_SUPPORTED (FE_ALL_EXCEPT) && (ret == -1)) |
| { |
| puts ("feenableexcept (FE_ALL_EXCEPT) not supported, cannot test"); |
| return 77; |
| } |
| else if (ret != 0) |
| { |
| puts ("feenableexcept (FE_ALL_EXCEPT) failed"); |
| result = 1; |
| } |
| |
| if (EXCEPTION_SET_FORCES_TRAP) |
| { |
| puts ("setting exceptions traps, cannot test on this architecture"); |
| return 77; |
| } |
| /* The test is that this does not cause exception traps. */ |
| ret = fesetexceptflag (&saved, FE_ALL_EXCEPT); |
| if (ret != 0) |
| { |
| puts ("fesetexceptflag failed"); |
| result = 1; |
| } |
| feclearexcept (FE_ALL_EXCEPT); |
| |
| return result; |
| } |
| |
| #define TEST_FUNCTION do_test () |
| #include "../test-skeleton.c" |