| /* Test nearbyint functions do not disable exception traps (bug 19228). |
| Copyright (C) 2015-2018 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 <math.h> |
| #include <stdio.h> |
| |
| #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, ) |
| TEST_FUNC (ldouble_test, long double, l) |
| |
| static int |
| do_test (void) |
| { |
| 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 (); |
| feenableexcept (FE_INEXACT); |
| result |= ldouble_test (); |
| return result; |
| } |
| |
| #define TEST_FUNCTION do_test () |
| #include "../test-skeleton.c" |