projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 637bfc39 AZ |
1 | /* Test ceil functions do not disable exception traps. |
| 2 | Copyright (C) 2024 Free Software Foundation, Inc. | |
| 3 | This file is part of the GNU C Library. | |
| 4 | ||
| 5 | The GNU C Library is free software; you can redistribute it and/or | |
| 6 | modify it under the terms of the GNU Lesser General Public | |
| 7 | License as published by the Free Software Foundation; either | |
| 8 | version 2.1 of the License, or (at your option) any later version. | |
| 9 | ||
| 10 | The GNU C Library is distributed in the hope that it will be useful, | |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 | Lesser General Public License for more details. | |
| 14 | ||
| 15 | You should have received a copy of the GNU Lesser General Public | |
| 16 | License along with the GNU C Library; if not, see | |
| 17 | <https://www.gnu.org/licenses/>. */ | |
| 18 | ||
| 19 | #include <fenv.h> | |
| 20 | #include <math.h> | |
| 21 | #include <stdio.h> | |
| 22 | ||
| 23 | #ifndef FE_INEXACT | |
| 24 | # define FE_INEXACT 0 | |
| 25 | #endif | |
| 26 | ||
| 27 | #define TEST_FUNC(NAME, FLOAT, SUFFIX) \ | |
| 28 | static int \ | |
| 29 | NAME (void) \ | |
| 30 | { \ | |
| 31 | int result = 0; \ | |
| 32 | volatile FLOAT a, b __attribute__ ((unused)); \ | |
| 33 | a = 1.5; \ | |
| 34 | /* ceil must work when traps on "inexact" are enabled. */ \ | |
| 35 | b = ceil ## SUFFIX (a); \ | |
| 36 | /* And it must have left those traps enabled. */ \ | |
| 37 | if (fegetexcept () == FE_INEXACT) \ | |
| 38 | puts ("PASS: " #FLOAT); \ | |
| 39 | else \ | |
| 40 | { \ | |
| 41 | puts ("FAIL: " #FLOAT); \ | |
| 42 | result = 1; \ | |
| 43 | } \ | |
| 44 | return result; \ | |
| 45 | } | |
| 46 | ||
| 47 | TEST_FUNC (float_test, float, f) | |
| 48 | TEST_FUNC (double_test, double, ) | |
| 49 | TEST_FUNC (ldouble_test, long double, l) | |
| 50 | ||
| 51 | static int | |
| 52 | do_test (void) | |
| 53 | { | |
| 54 | if (feenableexcept (FE_INEXACT) == -1) | |
| 55 | { | |
| 56 | puts ("enabling FE_INEXACT traps failed, cannot test"); | |
| 57 | return 77; | |
| 58 | } | |
| 59 | int result = float_test (); | |
| 60 | feenableexcept (FE_INEXACT); | |
| 61 | result |= double_test (); | |
| 62 | feenableexcept (FE_INEXACT); | |
| 63 | result |= ldouble_test (); | |
| 64 | return result; | |
| 65 | } | |
| 66 | ||
| 67 | #include <support/test-driver.c> |