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/* { dg-do run } */
#include <stdlib.h>
#define EPS 0.000001
#define N 100000
#pragma omp declare target
float p1[N], p2[N], v1[N], v2[N];
#pragma omp end declare target
void init ()
{
int i, s = -1;
for (i = 0; i < N; i++)
{
v1[i] = s * 0.01;
v2[i] = i;
s = -s;
}
}
void check ()
{
int i;
for (i = 0; i < N; i++)
if (p1[i] - p2[i] > EPS || p2[i] - p1[i] > EPS)
abort ();
}
void vec_mult_ref ()
{
int i;
for (i = 0; i < N; i++)
p1[i] = v1[i] * v2[i];
}
void vec_mult ()
{
int i;
#pragma omp target update to(v1, v2)
#pragma omp target
#pragma omp parallel for
for (i = 0; i < N; i++)
p2[i] = v1[i] * v2[i];
#pragma omp target update from(p2)
}
int main ()
{
init ();
vec_mult_ref ();
vec_mult ();
check ();
return 0;
}
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