sysdeps/x86_64/fpu/test-double-libmvec-sincos-main.c

   1 /* Test for vector sincos ABI.
   2    Copyright (C) 2016-2017 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    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <math.h>
  20
  21 #define N 1000
  22 double x[N], s[N], c[N];
  23 double* s_ptrs[N];
  24 double* c_ptrs[N];
  25
  26 int
  27 test_sincos_abi (void)
  28 {
  29   int i;
  30
  31   for(i = 0; i < N; i++)
  32   {
  33     x[i] = i / 3;
  34     s_ptrs[i] = &s[i];
  35     c_ptrs[i] = &c[i];
  36   }
  37
  38 #pragma omp simd
  39   for(i = 0; i < N; i++)
  40     sincos (x[i], s_ptrs[i], c_ptrs[i]);
  41
  42   return 0;
  43 }