glibc/sysdeps/x86_64/fpu/test-libmvec-alias-mod.c

67 lines
1.6 KiB
C

/* Part of test to build shared library to ensure link against
*_finite aliases from libmvec.
Copyright (C) 2016-2017 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/>. */
#define N 4000
FLOAT log_arg[N];
FLOAT exp_arg[N];
FLOAT log_res[N];
FLOAT exp_res[N];
FLOAT pow_res[N];
int arch_check = 1;
static void
init_arg (void)
{
int i;
CHECK_ARCH_EXT;
arch_check = 0;
for (i = 0; i < N; i += 1)
{
log_arg[i] = 1.0;
exp_arg[i] = 0.0;
}
}
int
test_finite_alias (void)
{
int i;
init_arg ();
if (arch_check) return 77;
#pragma omp simd
for (i = 0; i < N; i += 1)
{
log_res[i] = FUNC (log) (log_arg[i]);
exp_res[i] = FUNC (exp) (exp_arg[i]);
pow_res[i] = FUNC (pow) (log_arg[i], log_arg[i]);
}
if (log_res[0] != 0.0) return 1;
if (exp_res[0] != 1.0) return 1;
if (pow_res[0] != 1.0) return 1;
return 0;
}