1  /* { dg-do run } */
       2  /* { dg-options "-O2 -ftree-vectorize -msse2" } */
       3  /* { dg-require-effective-target sse2 } */
       4  
       5  #ifndef CHECK_H
       6  #define CHECK_H "sse2-check.h"
       7  #endif
       8  
       9  #ifndef TEST
      10  #define TEST sse2_test
      11  #endif
      12  
      13  #include CHECK_H
      14  
      15  extern double copysign (double, double);
      16  
      17  #define N 16
      18  
      19  double a[N] = {-0.1,-3.2,-6.3,-9.4,-12.5,-15.6,-18.7,-21.8,24.9,27.1,30.2,33.3,36.4,39.5,42.6,45.7};
      20  double b[N] = {-1.2,3.4,-5.6,7.8,-9.0,1.0,-2.0,3.0,-4.0,-5.0,6.0,7.0,-8.0,-9.0,10.0,11.0};
      21  double r[N];
      22  
      23  static void
      24  TEST (void)
      25  {  
      26    int i;
      27  
      28    for (i = 0; i < N; i++)
      29      r[i] = copysign (a[i], b[i]);
      30  
      31    /* check results:  */
      32    for (i = 0; i < N; i++)
      33      if (r[i] != copysign (a[i], b[i]))
      34        abort ();
      35  }
      36