xref: /petsc/src/vec/is/tests/ex3.c (revision 609caa7c8c030312b00807b4f015fd827bb80932)
1c4762a1bSJed Brown static char help[] = "Tests ISSetBlockSize() on ISBlock().\n\n";
2c4762a1bSJed Brown 
3c4762a1bSJed Brown #include <petscis.h>
4c4762a1bSJed Brown #include <petscviewer.h>
5c4762a1bSJed Brown 
6d71ae5a4SJacob Faibussowitsch int main(int argc, char **argv)
7d71ae5a4SJacob Faibussowitsch {
8c4762a1bSJed Brown   PetscInt        bs = 2, n = 3, ix[3] = {1, 7, 9};
9c4762a1bSJed Brown   const PetscInt *indices;
10c4762a1bSJed Brown   IS              is;
11c4762a1bSJed Brown   PetscBool       broken = PETSC_FALSE;
12c4762a1bSJed Brown 
13327415f7SBarry Smith   PetscFunctionBeginUser;
14c8025a54SPierre Jolivet   PetscCall(PetscInitialize(&argc, &argv, NULL, help));
159566063dSJacob Faibussowitsch   PetscCall(PetscOptionsGetBool(NULL, NULL, "-broken", &broken, NULL));
169566063dSJacob Faibussowitsch   PetscCall(ISCreateBlock(PETSC_COMM_SELF, bs, n, ix, PETSC_COPY_VALUES, &is));
179566063dSJacob Faibussowitsch   PetscCall(ISGetIndices(is, &indices));
189566063dSJacob Faibussowitsch   PetscCall(PetscIntView(bs * 3, indices, NULL));
199566063dSJacob Faibussowitsch   PetscCall(ISRestoreIndices(is, &indices));
20c4762a1bSJed Brown   if (broken) {
219566063dSJacob Faibussowitsch     PetscCall(ISSetBlockSize(is, 3));
229566063dSJacob Faibussowitsch     PetscCall(ISGetIndices(is, &indices));
239566063dSJacob Faibussowitsch     PetscCall(PetscIntView(bs * 3, indices, NULL));
249566063dSJacob Faibussowitsch     PetscCall(ISRestoreIndices(is, &indices));
25c4762a1bSJed Brown   }
269566063dSJacob Faibussowitsch   PetscCall(ISDestroy(&is));
27c4762a1bSJed Brown 
289566063dSJacob Faibussowitsch   PetscCall(PetscFinalize());
29b122ec5aSJacob Faibussowitsch   return 0;
30c4762a1bSJed Brown }
31c4762a1bSJed Brown 
32c4762a1bSJed Brown /*TEST
33c4762a1bSJed Brown 
34c4762a1bSJed Brown    test:
35c4762a1bSJed Brown 
36c4762a1bSJed Brown    test:
37c4762a1bSJed Brown      suffix: 2
38c4762a1bSJed Brown      args: -broken
39c4762a1bSJed Brown      filter: Error: grep -o "[0]PETSC ERROR: Object is in wrong state"
40*3886731fSPierre Jolivet      output_file: output/empty.out
41c4762a1bSJed Brown 
42c4762a1bSJed Brown TEST*/
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