xref: /petsc/src/dm/impls/composite/tests/ex1.c (revision 40badf4fbc550ac1f60bd080eaff6de6d55b946d)
1 static char help[] = "Tests DMClone() with DMComposite\n\n";
2 
3 #include <petscdmcomposite.h>
4 #include <petscdmda.h>
5 
6 int main(int argc,char **argv)
7 {
8   DM             newdm, dm, dm1,dm2;
9   PetscErrorCode ierr;
10 
11   PetscFunctionBeginUser;
12   ierr = PetscInitialize(&argc, &argv, 0, help); if (ierr) return ierr;
13   CHKERRQ(DMCompositeCreate(PETSC_COMM_WORLD, &dm));
14   CHKERRQ(DMDACreate1d(PETSC_COMM_WORLD, DM_BOUNDARY_NONE, 100, 1, 1, NULL, &dm1));
15   CHKERRQ(DMDACreate1d(PETSC_COMM_WORLD, DM_BOUNDARY_NONE, 100, 1, 1, NULL, &dm2));
16   CHKERRQ(DMSetUp(dm1));
17   CHKERRQ(DMSetUp(dm2));
18   CHKERRQ(DMCompositeAddDM(dm, dm1));
19   CHKERRQ(DMCompositeAddDM(dm, dm2));
20   CHKERRQ(DMDestroy(&dm1));
21   CHKERRQ(DMDestroy(&dm2));
22   CHKERRQ(DMSetFromOptions(dm));
23   CHKERRQ(DMSetUp(dm));
24   CHKERRQ(DMClone(dm, &newdm));
25   CHKERRQ(DMDestroy(&dm));
26   CHKERRQ(DMDestroy(&newdm));
27   ierr = PetscFinalize();
28   return ierr;
29 }
30 
31 /*TEST
32 
33   test:
34     suffix: 0
35 
36 TEST*/
37