xref: /petsc/src/vec/is/tests/ex3.c (revision c4762a1b19cd2af06abeed90e8f9d34fb975dd94)
1*c4762a1bSJed Brown 
2*c4762a1bSJed Brown static char help[]= "Tests ISSetBlockSize() on ISBlock().\n\n";
3*c4762a1bSJed Brown 
4*c4762a1bSJed Brown #include <petscis.h>
5*c4762a1bSJed Brown #include <petscviewer.h>
6*c4762a1bSJed Brown 
7*c4762a1bSJed Brown int main(int argc,char **argv)
8*c4762a1bSJed Brown {
9*c4762a1bSJed Brown   PetscErrorCode         ierr;
10*c4762a1bSJed Brown   PetscInt               bs = 2,n = 3,ix[3] = {1,7,9};
11*c4762a1bSJed Brown   const PetscInt         *indices;
12*c4762a1bSJed Brown   IS                     is;
13*c4762a1bSJed Brown   PetscBool              broken = PETSC_FALSE;
14*c4762a1bSJed Brown 
15*c4762a1bSJed Brown   ierr = PetscInitialize(&argc,&argv,(char*)0,help);if (ierr) return ierr;
16*c4762a1bSJed Brown   ierr = PetscOptionsGetBool(NULL,NULL,"-broken",&broken,NULL);CHKERRQ(ierr);
17*c4762a1bSJed Brown   ierr = ISCreateBlock(PETSC_COMM_SELF,bs,n,ix,PETSC_COPY_VALUES,&is);CHKERRQ(ierr);
18*c4762a1bSJed Brown   ierr = ISGetIndices(is,&indices);CHKERRQ(ierr);
19*c4762a1bSJed Brown   ierr = PetscIntView(bs*3,indices,NULL);CHKERRQ(ierr);
20*c4762a1bSJed Brown   ierr = ISRestoreIndices(is,&indices);CHKERRQ(ierr);
21*c4762a1bSJed Brown   if (broken) {
22*c4762a1bSJed Brown     ierr = ISSetBlockSize(is,3);CHKERRQ(ierr);
23*c4762a1bSJed Brown     ierr = ISGetIndices(is,&indices);CHKERRQ(ierr);
24*c4762a1bSJed Brown     ierr = PetscIntView(bs*3,indices,NULL);CHKERRQ(ierr);
25*c4762a1bSJed Brown     ierr = ISRestoreIndices(is,&indices);CHKERRQ(ierr);
26*c4762a1bSJed Brown   }
27*c4762a1bSJed Brown   ierr = ISDestroy(&is);CHKERRQ(ierr);
28*c4762a1bSJed Brown 
29*c4762a1bSJed Brown   ierr = PetscFinalize();
30*c4762a1bSJed Brown   return ierr;
31*c4762a1bSJed Brown }
32*c4762a1bSJed Brown 
33*c4762a1bSJed Brown 
34*c4762a1bSJed Brown 
35*c4762a1bSJed Brown /*TEST
36*c4762a1bSJed Brown 
37*c4762a1bSJed Brown    test:
38*c4762a1bSJed Brown 
39*c4762a1bSJed Brown    test:
40*c4762a1bSJed Brown      suffix: 2
41*c4762a1bSJed Brown      args:  -broken
42*c4762a1bSJed Brown      filter: Error: grep -o  "[0]PETSC ERROR: Object is in wrong state"
43*c4762a1bSJed Brown 
44*c4762a1bSJed Brown TEST*/
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