xref: /petsc/src/vec/is/tests/ex3.c (revision 9566063d113dddea24716c546802770db7481bc0)
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*9566063dSJacob Faibussowitsch   PetscCall(PetscInitialize(&argc,&argv,(char*)0,help));
15*9566063dSJacob Faibussowitsch   PetscCall(PetscOptionsGetBool(NULL,NULL,"-broken",&broken,NULL));
16*9566063dSJacob Faibussowitsch   PetscCall(ISCreateBlock(PETSC_COMM_SELF,bs,n,ix,PETSC_COPY_VALUES,&is));
17*9566063dSJacob Faibussowitsch   PetscCall(ISGetIndices(is,&indices));
18*9566063dSJacob Faibussowitsch   PetscCall(PetscIntView(bs*3,indices,NULL));
19*9566063dSJacob Faibussowitsch   PetscCall(ISRestoreIndices(is,&indices));
20c4762a1bSJed Brown   if (broken) {
21*9566063dSJacob Faibussowitsch     PetscCall(ISSetBlockSize(is,3));
22*9566063dSJacob Faibussowitsch     PetscCall(ISGetIndices(is,&indices));
23*9566063dSJacob Faibussowitsch     PetscCall(PetscIntView(bs*3,indices,NULL));
24*9566063dSJacob Faibussowitsch     PetscCall(ISRestoreIndices(is,&indices));
25c4762a1bSJed Brown   }
26*9566063dSJacob Faibussowitsch   PetscCall(ISDestroy(&is));
27c4762a1bSJed Brown 
28*9566063dSJacob 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"
40c4762a1bSJed Brown 
41c4762a1bSJed Brown TEST*/
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