xref: /petsc/src/dm/tests/ex52.c (revision d71ae5a4db6382e7f06317b8d368875286fe9008)
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2c4762a1bSJed Brown static char help[] = "Tests periodic boundary conditions for DMDA1d with periodic boundary conditions.\n\n";
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4c4762a1bSJed Brown #include <petscdmda.h>
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6*d71ae5a4SJacob Faibussowitsch int main(int argc, char **argv)
7*d71ae5a4SJacob Faibussowitsch {
8c4762a1bSJed Brown   DM             da;
9c4762a1bSJed Brown   Mat            A;
10c4762a1bSJed Brown   const PetscInt dfill[4] = {0, 1, 0, 1}, ofill[4] = {0, 1, 1, 0};
11c4762a1bSJed Brown 
12327415f7SBarry Smith   PetscFunctionBeginUser;
139566063dSJacob Faibussowitsch   PetscCall(PetscInitialize(&argc, &argv, (char *)0, help));
149566063dSJacob Faibussowitsch   PetscCall(DMDACreate1d(PETSC_COMM_WORLD, DM_BOUNDARY_PERIODIC, 7, 2, 1, NULL, &da));
159566063dSJacob Faibussowitsch   PetscCall(DMSetFromOptions(da));
169566063dSJacob Faibussowitsch   PetscCall(DMDASetBlockFills(da, dfill, ofill));
179566063dSJacob Faibussowitsch   PetscCall(DMSetUp(da));
189566063dSJacob Faibussowitsch   PetscCall(DMCreateMatrix(da, &A));
199566063dSJacob Faibussowitsch   PetscCall(MatView(A, PETSC_VIEWER_STDOUT_WORLD));
209566063dSJacob Faibussowitsch   PetscCall(PetscViewerPushFormat(PETSC_VIEWER_STDOUT_WORLD, PETSC_VIEWER_ASCII_INFO));
219566063dSJacob Faibussowitsch   PetscCall(MatView(A, PETSC_VIEWER_STDOUT_WORLD));
229566063dSJacob Faibussowitsch   PetscCall(MatDestroy(&A));
239566063dSJacob Faibussowitsch   PetscCall(DMDestroy(&da));
249566063dSJacob Faibussowitsch   PetscCall(PetscFinalize());
25b122ec5aSJacob Faibussowitsch   return 0;
26c4762a1bSJed Brown }
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28c4762a1bSJed Brown /*TEST
29c4762a1bSJed Brown 
30c4762a1bSJed Brown    test:
31c4762a1bSJed Brown 
32c4762a1bSJed Brown    test:
33c4762a1bSJed Brown       suffix: 2
34c4762a1bSJed Brown       nsize: 2
35c4762a1bSJed Brown 
36c4762a1bSJed Brown TEST*/
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