Actual source code: ex35.c
2: static char help[] = "Test VecGetArray4d()\n";
4: #include <petscvec.h>
6: int main(int argc, char **argv)
7: {
8: PetscInt cnt, i, j, k, l, m = 2, n = 3, p = 4, q = 5;
9: Vec x;
10: PetscScalar ****xx;
12: PetscFunctionBeginUser;
13: PetscCall(PetscInitialize(&argc, &argv, (char *)0, help));
14: PetscCall(VecCreateSeq(PETSC_COMM_WORLD, m * n * p * q, &x));
15: PetscCall(VecGetArray4d(x, m, n, p, q, 0, 0, 0, 0, &xx));
16: cnt = 0;
17: for (i = 0; i < m; i++)
18: for (j = 0; j < n; j++)
19: for (k = 0; k < p; k++)
20: for (l = 0; l < q; l++) xx[i][j][k][l] = cnt++;
22: PetscCall(VecRestoreArray4d(x, m, n, p, q, 0, 0, 0, 0, &xx));
23: PetscCall(VecView(x, PETSC_VIEWER_STDOUT_WORLD));
24: PetscCall(VecDestroy(&x));
25: PetscCall(PetscFinalize());
26: return 0;
27: }
29: /*TEST
31: test:
33: TEST*/