| /* Test fesetexcept. |
| 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 |
| test_fesetexcept (int exc, const char *exc_name) |
| { |
| int result = 0; |
| |
| printf ("Testing %s\n", exc_name); |
| feclearexcept (FE_ALL_EXCEPT); |
| int ret = fesetexcept (exc); |
| if (ret == 0) |
| printf ("fesetexcept (%s) succeeded\n", exc_name); |
| else |
| { |
| printf ("fesetexcept (%s) failed\n", exc_name); |
| if (exc == 0 || EXCEPTION_TESTS (float)) |
| { |
| puts ("failure of fesetexcept was unexpected"); |
| result = 1; |
| } |
| else |
| puts ("failure of fesetexcept OK, skipping further tests"); |
| return result; |
| } |
| ret = fetestexcept (FE_ALL_EXCEPT); |
| if (ret != exc) |
| { |
| printf ("raised exceptions %x, expected %x\n", |
| (unsigned int) ret, (unsigned int) exc); |
| result = 1; |
| } |
| |
| ret = feraiseexcept (FE_ALL_EXCEPT); |
| if (ret != 0) |
| { |
| if (exc == 0 && !EXCEPTION_TESTS (float)) |
| { |
| puts ("feraiseexcept (FE_ALL_EXCEPT) failed, skipping further tests"); |
| return result; |
| } |
| puts ("feraiseexcept (FE_ALL_EXCEPT) unexpectedly failed"); |
| result = 1; |
| } |
| ret = fesetexcept (exc); |
| if (ret != 0) |
| { |
| puts ("fesetexcept (second test) unexpectedly failed"); |
| result = 1; |
| } |
| ret = fetestexcept (FE_ALL_EXCEPT); |
| if (ret != FE_ALL_EXCEPT) |
| { |
| printf ("raised exceptions (second test) %x, expected %x\n", |
| (unsigned int) ret, (unsigned int) FE_ALL_EXCEPT); |
| result = 1; |
| } |
| |
| feclearexcept (FE_ALL_EXCEPT); |
| ret = feraiseexcept (FE_ALL_EXCEPT & ~exc); |
| if (ret != 0) |
| { |
| puts ("feraiseexcept (third test) unexpectedly failed"); |
| result = 1; |
| } |
| ret = fesetexcept (exc); |
| if (ret != 0) |
| { |
| puts ("fesetexcept (third test) unexpectedly failed"); |
| result = 1; |
| } |
| ret = fetestexcept (FE_ALL_EXCEPT); |
| if (ret != FE_ALL_EXCEPT) |
| { |
| printf ("raised exceptions (third test) %x, expected %x\n", |
| (unsigned int) ret, (unsigned int) FE_ALL_EXCEPT); |
| result = 1; |
| } |
| |
| return result; |
| } |
| |
| static int |
| do_test (void) |
| { |
| int result = 0; |
| |
| result |= test_fesetexcept (0, "0"); |
| result |= test_fesetexcept (FE_ALL_EXCEPT, "FE_ALL_EXCEPT"); |
| #ifdef FE_DIVBYZERO |
| result |= test_fesetexcept (FE_DIVBYZERO, "FE_DIVBYZERO"); |
| #endif |
| #ifdef FE_INEXACT |
| result |= test_fesetexcept (FE_INEXACT, "FE_INEXACT"); |
| #endif |
| #ifdef FE_INVALID |
| result |= test_fesetexcept (FE_INVALID, "FE_INVALID"); |
| #endif |
| #ifdef FE_OVERFLOW |
| result |= test_fesetexcept (FE_OVERFLOW, "FE_OVERFLOW"); |
| #endif |
| #ifdef FE_UNDERFLOW |
| result |= test_fesetexcept (FE_UNDERFLOW, "FE_UNDERFLOW"); |
| #endif |
| |
| return result; |
| } |
| |
| #define TEST_FUNCTION do_test () |
| #include "../test-skeleton.c" |