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- #include <stdlib.h>
- #define N 10
- struct S
- {
- int a, b;
- int *ptr;
- int c, d;
- };
- int
- main (void)
- {
- struct S a;
- a.ptr = (int *) malloc (sizeof (int) * N);
- for (int i = 0; i < N; i++)
- a.ptr[i] = 0;
- #pragma omp target enter data map(to: a.ptr, a.ptr[:N])
- #pragma omp target
- for (int i = 0; i < N; i++)
- a.ptr[i] += 1;
- #pragma omp target update from(a.ptr[:N])
- for (int i = 0; i < N; i++)
- if (a.ptr[i] != 1)
- abort ();
- #pragma omp target map(a.ptr[:N])
- for (int i = 0; i < N; i++)
- a.ptr[i] += 1;
- #pragma omp target update from(a.ptr[:N])
- for (int i = 0; i < N; i++)
- if (a.ptr[i] != 2)
- abort ();
- #pragma omp target exit data map(from:a.ptr, a.ptr[:N])
- return 0;
- }
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