| /* Test sinl for pseudo-zeros and unnormals for ldbl-96 (bug 25487). |
| Copyright (C) 2020 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 |
| <https://www.gnu.org/licenses/>. */ |
| |
| #include <math.h> |
| #include <math_ldbl.h> |
| #include <stdint.h> |
| |
| static int |
| do_test (void) |
| { |
| for (int i = 0; i < 64; i++) |
| { |
| uint64_t sig = i == 63 ? 0 : 1ULL << i; |
| long double ld; |
| SET_LDOUBLE_WORDS (ld, 0x4141, |
| sig >> 32, sig & 0xffffffffULL); |
| /* The requirement is that no stack overflow occurs when the |
| pseudo-zero or unnormal goes through range reduction. */ |
| volatile long double ldr; |
| ldr = sinl (ld); |
| (void) ldr; |
| } |
| return 0; |
| } |
| |
| #include <support/test-driver.c> |