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path: root/gcc/testsuite/gcc.target/i386/sse-recip-vec.c
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/* { dg-do run } */
/* { dg-options "-O2 -ffast-math -ftree-vectorize -msse -mfpmath=sse -mrecip" } */
/* { dg-require-effective-target sse } */

#include "sse-check.h"

extern float sqrtf (float);
extern float fabsf (float);

#define N 8

float a[N] = { 0.f, 18.f, 108.f, 324.f, 720.f, 1944.f, 3087.f, 5832.f };
float b[N] = { 1.f, 2.f, 3.f, 4.f, 5.f, 6.f, 7.f, 8.f };
float r[N];

float rc[N] = { 0.f, 3.f, 6.f, 9.f, 12.f, 18.f, 21.f, 27.f };

static void
sse_test (void)
{
  int i;

  for (i = 0; i < N; i++)
    {
      r[i] = sqrtf (a[i] / b[i]);
    }

  /* check results:  */
  for (i = 0; i < N; i++)
    {
      if (fabsf (r[i] - rc[i]) > 0.0001)
	abort();
    }   
}