xref: /petsc/src/vec/is/tests/ex3.c (revision d71ae5a4db6382e7f06317b8d368875286fe9008)
1c4762a1bSJed Brown 
2c4762a1bSJed Brown static char help[] = "Tests ISSetBlockSize() on ISBlock().\n\n";
3c4762a1bSJed Brown 
4c4762a1bSJed Brown #include <petscis.h>
5c4762a1bSJed Brown #include <petscviewer.h>
6c4762a1bSJed Brown 
7*d71ae5a4SJacob Faibussowitsch int main(int argc, char **argv)
8*d71ae5a4SJacob Faibussowitsch {
9c4762a1bSJed Brown   PetscInt        bs = 2, n = 3, ix[3] = {1, 7, 9};
10c4762a1bSJed Brown   const PetscInt *indices;
11c4762a1bSJed Brown   IS              is;
12c4762a1bSJed Brown   PetscBool       broken = PETSC_FALSE;
13c4762a1bSJed Brown 
14327415f7SBarry Smith   PetscFunctionBeginUser;
159566063dSJacob Faibussowitsch   PetscCall(PetscInitialize(&argc, &argv, (char *)0, help));
169566063dSJacob Faibussowitsch   PetscCall(PetscOptionsGetBool(NULL, NULL, "-broken", &broken, NULL));
179566063dSJacob Faibussowitsch   PetscCall(ISCreateBlock(PETSC_COMM_SELF, bs, n, ix, PETSC_COPY_VALUES, &is));
189566063dSJacob Faibussowitsch   PetscCall(ISGetIndices(is, &indices));
199566063dSJacob Faibussowitsch   PetscCall(PetscIntView(bs * 3, indices, NULL));
209566063dSJacob Faibussowitsch   PetscCall(ISRestoreIndices(is, &indices));
21c4762a1bSJed Brown   if (broken) {
229566063dSJacob Faibussowitsch     PetscCall(ISSetBlockSize(is, 3));
239566063dSJacob Faibussowitsch     PetscCall(ISGetIndices(is, &indices));
249566063dSJacob Faibussowitsch     PetscCall(PetscIntView(bs * 3, indices, NULL));
259566063dSJacob Faibussowitsch     PetscCall(ISRestoreIndices(is, &indices));
26c4762a1bSJed Brown   }
279566063dSJacob Faibussowitsch   PetscCall(ISDestroy(&is));
28c4762a1bSJed Brown 
299566063dSJacob Faibussowitsch   PetscCall(PetscFinalize());
30b122ec5aSJacob Faibussowitsch   return 0;
31c4762a1bSJed Brown }
32c4762a1bSJed Brown 
33c4762a1bSJed Brown /*TEST
34c4762a1bSJed Brown 
35c4762a1bSJed Brown    test:
36c4762a1bSJed Brown 
37c4762a1bSJed Brown    test:
38c4762a1bSJed Brown      suffix: 2
39c4762a1bSJed Brown      args:  -broken
40c4762a1bSJed Brown      filter: Error: grep -o  "[0]PETSC ERROR: Object is in wrong state"
41c4762a1bSJed Brown 
42c4762a1bSJed Brown TEST*/
43