xref: /petsc/src/vec/is/tests/ex3.c (revision 327415f76d85372a4417cf1aaa14db707d4d6c04)
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 
7c4762a1bSJed Brown int main(int argc,char **argv)
8c4762a1bSJed Brown {
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 
14*327415f7SBarry 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