1 static char help[] = "Tests ISLocalToGlobalMappingCreateIS() for bs > 1.\n\n";
2
3 #include <petscis.h>
4 #include <petscviewer.h>
5
main(int argc,char ** argv)6 int main(int argc, char **argv)
7 {
8 PetscInt bs = 2, n = 3, ix[3] = {1, 7, 9}, iy[2] = {0, 2}, mp[2];
9 IS isx;
10 ISLocalToGlobalMapping ltog;
11
12 PetscFunctionBeginUser;
13 PetscCall(PetscInitialize(&argc, &argv, NULL, help));
14
15 PetscCall(ISCreateBlock(PETSC_COMM_SELF, bs, n, ix, PETSC_COPY_VALUES, &isx));
16 PetscCall(ISLocalToGlobalMappingCreateIS(isx, <og));
17
18 PetscCall(PetscIntView(2, iy, PETSC_VIEWER_STDOUT_WORLD));
19 PetscCall(ISLocalToGlobalMappingApply(ltog, 2, iy, mp));
20 PetscCall(PetscIntView(2, mp, PETSC_VIEWER_STDOUT_WORLD));
21
22 PetscCall(PetscIntView(2, iy, PETSC_VIEWER_STDOUT_WORLD));
23 PetscCall(ISLocalToGlobalMappingApplyBlock(ltog, 2, iy, mp));
24 PetscCall(PetscIntView(2, mp, PETSC_VIEWER_STDOUT_WORLD));
25
26 PetscCall(ISLocalToGlobalMappingDestroy(<og));
27 PetscCall(ISDestroy(&isx));
28
29 PetscCall(PetscFinalize());
30 return 0;
31 }
32
33 /*TEST
34
35 test:
36
37 TEST*/
38