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#include <stdlib.h>
#include <string.h>
#include <assert.h>
#define N 32
typedef struct {
int arr[N];
int *ptr;
} sc;
typedef struct {
sc *c;
} sb;
typedef struct {
sb *b;
sc *c;
} sa;
int main (int argc, char *argv[])
{
sa *p;
p = (sa *) malloc (sizeof *p);
p->b = (sb *) malloc (sizeof *p->b);
p->b->c = (sc *) malloc (sizeof *p->b->c);
p->c = (sc *) malloc (sizeof *p->c);
p->b->c->ptr = (int *) malloc (N * sizeof (int));
p->c->ptr = (int *) malloc (N * sizeof (int));
for (int i = 0; i < N; i++)
{
p->b->c->ptr[i] = 0;
p->c->ptr[i] = 0;
p->b->c->arr[i] = 0;
p->c->arr[i] = 0;
}
#pragma omp target map(to: p->b, p->b[0], p->c, p->c[0], p->b->c, p->b->c[0]) \
map(to: p->b->c->ptr, p->c->ptr) \
map(tofrom: p->b->c->ptr[:N], p->c->ptr[:N])
{
for (int i = 0; i < N; i++)
{
p->b->c->ptr[i] = i;
p->c->ptr[i] = i * 2;
}
}
#pragma omp target map(to: p->b, p->b[0], p->b->c, p->c) \
map(tofrom: p->c[0], p->b->c[0])
{
for (int i = 0; i < N; i++)
{
p->b->c->arr[i] = i * 3;
p->c->arr[i] = i * 4;
}
}
for (int i = 0; i < N; i++)
{
assert (p->b->c->ptr[i] == i);
assert (p->c->ptr[i] == i * 2);
assert (p->b->c->arr[i] == i * 3);
assert (p->c->arr[i] == i * 4);
}
return 0;
}
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