mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-23 09:43:32 +08:00
42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
/* Test sinl for pseudo-zeros and unnormals for ldbl-96 (bug 25487).
|
|
Copyright (C) 2020-2024 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>
|