1c4762a1bSJed Brown static char help[] = "Tests DMLocalToGlobal() for dof > 1\n\n";
2c4762a1bSJed Brown
3c4762a1bSJed Brown #include <petscdm.h>
4c4762a1bSJed Brown #include <petscdmda.h>
5c4762a1bSJed Brown
main(int argc,char ** argv)6d71ae5a4SJacob Faibussowitsch int main(int argc, char **argv)
7d71ae5a4SJacob Faibussowitsch {
8c4762a1bSJed Brown PetscInt M = 6, N = 5, m = PETSC_DECIDE, n = PETSC_DECIDE, i, j, is, js, in, jen;
9c4762a1bSJed Brown DM da;
10c4762a1bSJed Brown Vec local, global;
11c4762a1bSJed Brown PetscScalar ***l;
12c4762a1bSJed Brown
13327415f7SBarry Smith PetscFunctionBeginUser;
14*c8025a54SPierre Jolivet PetscCall(PetscInitialize(&argc, &argv, NULL, help));
15c4762a1bSJed Brown /* Create distributed array and get vectors */
169566063dSJacob Faibussowitsch PetscCall(DMDACreate2d(PETSC_COMM_WORLD, DM_BOUNDARY_NONE, DM_BOUNDARY_NONE, DMDA_STENCIL_BOX, M, N, m, n, 3, 1, NULL, NULL, &da));
179566063dSJacob Faibussowitsch PetscCall(DMSetFromOptions(da));
189566063dSJacob Faibussowitsch PetscCall(DMSetUp(da));
199566063dSJacob Faibussowitsch PetscCall(DMCreateGlobalVector(da, &global));
209566063dSJacob Faibussowitsch PetscCall(DMCreateLocalVector(da, &local));
21c4762a1bSJed Brown
229566063dSJacob Faibussowitsch PetscCall(DMDAGetCorners(da, &is, &js, 0, &in, &jen, 0));
239566063dSJacob Faibussowitsch PetscCall(DMDAVecGetArrayDOF(da, local, &l));
24c4762a1bSJed Brown for (i = is; i < is + in; i++) {
25c4762a1bSJed Brown for (j = js; j < js + jen; j++) {
26c4762a1bSJed Brown l[j][i][0] = 3 * (i + j * M);
27c4762a1bSJed Brown l[j][i][1] = 3 * (i + j * M) + 1;
28c4762a1bSJed Brown l[j][i][2] = 3 * (i + j * M) + 2;
29c4762a1bSJed Brown }
30c4762a1bSJed Brown }
319566063dSJacob Faibussowitsch PetscCall(DMDAVecRestoreArrayDOF(da, local, &l));
329566063dSJacob Faibussowitsch PetscCall(DMLocalToGlobalBegin(da, local, ADD_VALUES, global));
339566063dSJacob Faibussowitsch PetscCall(DMLocalToGlobalEnd(da, local, ADD_VALUES, global));
34c4762a1bSJed Brown
359566063dSJacob Faibussowitsch PetscCall(VecView(global, PETSC_VIEWER_STDOUT_WORLD));
36c4762a1bSJed Brown
37c4762a1bSJed Brown /* Free memory */
389566063dSJacob Faibussowitsch PetscCall(VecDestroy(&local));
399566063dSJacob Faibussowitsch PetscCall(VecDestroy(&global));
409566063dSJacob Faibussowitsch PetscCall(DMDestroy(&da));
419566063dSJacob Faibussowitsch PetscCall(PetscFinalize());
42b122ec5aSJacob Faibussowitsch return 0;
43c4762a1bSJed Brown }
44c4762a1bSJed Brown
45c4762a1bSJed Brown /*TEST
46c4762a1bSJed Brown
47c4762a1bSJed Brown test:
48c4762a1bSJed Brown filter: grep -v -i Process
49c4762a1bSJed Brown output_file: output/ex24_1.out
50c4762a1bSJed Brown
51c4762a1bSJed Brown test:
52c4762a1bSJed Brown suffix: 2
53c4762a1bSJed Brown nsize: 2
54c4762a1bSJed Brown filter: grep -v -i Process
55c4762a1bSJed Brown output_file: output/ex24_2.out
56c4762a1bSJed Brown
57c4762a1bSJed Brown test:
58c4762a1bSJed Brown suffix: 3
59c4762a1bSJed Brown nsize: 3
60c4762a1bSJed Brown filter: grep -v -i Process
61c4762a1bSJed Brown output_file: output/ex24_2.out
62c4762a1bSJed Brown
63c4762a1bSJed Brown test:
64c4762a1bSJed Brown suffix: 4
65c4762a1bSJed Brown nsize: 4
66c4762a1bSJed Brown filter: grep -v -i Process
67c4762a1bSJed Brown output_file: output/ex24_2.out
68c4762a1bSJed Brown
69c4762a1bSJed Brown test:
70c4762a1bSJed Brown suffix: 5
71c4762a1bSJed Brown nsize: 5
72c4762a1bSJed Brown filter: grep -v -i Process
73c4762a1bSJed Brown output_file: output/ex24_2.out
74c4762a1bSJed Brown
75c4762a1bSJed Brown test:
76c4762a1bSJed Brown suffix: 6
77c4762a1bSJed Brown nsize: 6
78c4762a1bSJed Brown filter: grep -v -i Process
79c4762a1bSJed Brown output_file: output/ex24_2.out
80c4762a1bSJed Brown
81c4762a1bSJed Brown TEST*/
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