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#include <stdlib.h>
struct S
{
int a, b;
int *ptr;
int c, d;
};
typedef struct S S;
#pragma omp declare target
int *gp;
#pragma omp end declare target
#define N 10
int main (void)
{
/* Test to see if pointer attachment works, for scalar pointers,
and pointer fields in structures. */
int *ptr = (int *) malloc (sizeof (int) * N);
int *orig_ptr = ptr;
#pragma omp target map (ptr, ptr[:N])
{
for (int i = 0; i < N; i++)
ptr[i] = N - i;
}
if (ptr != orig_ptr)
abort ();
for (int i = 0; i < N; i++)
if (ptr[i] != N - i)
abort ();
S s = { 0 };
s.ptr = ptr;
#pragma omp target map (s, s.ptr[:N])
{
for (int i = 0; i < N; i++)
s.ptr[i] = i;
s.a = 1;
s.b = 2;
}
if (s.ptr != ptr)
abort ();
for (int i = 0; i < N; i++)
if (s.ptr[i] != i)
abort ();
if (s.a != 1 || s.b != 2 || s.c != 0 || s.d != 0)
abort ();
gp = (int *) malloc (sizeof (int) * N);
orig_ptr = gp;
for (int i = 0; i < N; i++)
gp[i] = i - 1;
#pragma omp target map (gp[:N])
{
for (int i = 0; i < N; i++)
gp[i] += 1;
}
if (gp != orig_ptr)
abort ();
for (int i = 0; i < N; i++)
if (gp[i] != i)
abort ();
free (ptr);
free (gp);
return 0;
}
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