| /* Test fetestexceptflag. |
| 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_one (int exc_test, int exc_set, int exc_save) |
| { |
| int result = 0; |
| |
| printf ("Individual test: %x %x %x\n", (unsigned int) exc_test, |
| (unsigned int) exc_set, (unsigned int) exc_save); |
| |
| feclearexcept (FE_ALL_EXCEPT); |
| int ret = fesetexcept (exc_set); |
| if (ret != 0) |
| { |
| puts ("fesetexcept failed"); |
| if (exc_set == 0 || EXCEPTION_TESTS (float)) |
| { |
| puts ("failure of fesetexcept was unexpected"); |
| result = 1; |
| } |
| else |
| puts ("failure of fesetexcept OK, skipping further tests"); |
| return result; |
| } |
| fexcept_t saved; |
| ret = fegetexceptflag (&saved, exc_save); |
| if (ret == 0) |
| puts ("fegetexceptflag succeeded"); |
| else |
| { |
| puts ("fegetexceptflag failed"); |
| result = 1; |
| return result; |
| } |
| ret = fetestexceptflag (&saved, exc_test); |
| if (ret == (exc_set & exc_test)) |
| puts ("fetestexceptflag result correct"); |
| else |
| { |
| printf ("fetestexceptflag returned %x, expected %x\n", ret, |
| exc_set & exc_test); |
| result = 1; |
| } |
| if (exc_save == FE_ALL_EXCEPT) |
| { |
| /* Also test fetestexceptflag testing all exceptions but |
| possibly with only some set. */ |
| ret = fetestexceptflag (&saved, FE_ALL_EXCEPT); |
| if (ret == exc_set) |
| puts ("fetestexceptflag (FE_ALL_EXCEPT) result correct"); |
| else |
| { |
| printf ("fetestexceptflag (FE_ALL_EXCEPT) returned %x, expected %x\n", |
| ret, exc_set); |
| result = 1; |
| } |
| } |
| return result; |
| } |
| |
| static int |
| test_fetestexceptflag (int exc, const char *exc_name) |
| { |
| int result = 0; |
| |
| printf ("Testing %s\n", exc_name); |
| |
| /* Test each case of: whether this exception is set or clear; |
| whether other exceptions are set or clear; whether the whole |
| state is saved or just the state for this exception. */ |
| result |= test_one (exc, 0, exc); |
| result |= test_one (exc, 0, FE_ALL_EXCEPT); |
| result |= test_one (exc, exc, exc); |
| result |= test_one (exc, exc, FE_ALL_EXCEPT); |
| result |= test_one (exc, FE_ALL_EXCEPT & ~exc, exc); |
| result |= test_one (exc, FE_ALL_EXCEPT & ~exc, FE_ALL_EXCEPT); |
| result |= test_one (exc, FE_ALL_EXCEPT, exc); |
| result |= test_one (exc, FE_ALL_EXCEPT, FE_ALL_EXCEPT); |
| |
| return result; |
| } |
| |
| static int |
| do_test (void) |
| { |
| int result = 0; |
| |
| result |= test_fetestexceptflag (0, "0"); |
| result |= test_fetestexceptflag (FE_ALL_EXCEPT, "FE_ALL_EXCEPT"); |
| #ifdef FE_DIVBYZERO |
| result |= test_fetestexceptflag (FE_DIVBYZERO, "FE_DIVBYZERO"); |
| #endif |
| #ifdef FE_INEXACT |
| result |= test_fetestexceptflag (FE_INEXACT, "FE_INEXACT"); |
| #endif |
| #ifdef FE_INVALID |
| result |= test_fetestexceptflag (FE_INVALID, "FE_INVALID"); |
| #endif |
| #ifdef FE_OVERFLOW |
| result |= test_fetestexceptflag (FE_OVERFLOW, "FE_OVERFLOW"); |
| #endif |
| #ifdef FE_UNDERFLOW |
| result |= test_fetestexceptflag (FE_UNDERFLOW, "FE_UNDERFLOW"); |
| #endif |
| |
| return result; |
| } |
| |
| #define TEST_FUNCTION do_test () |
| #include "../test-skeleton.c" |