xref: /petsc/src/dm/tests/ex26.c (revision 5f80ce2ab25dff0f4601e710601cbbcecf323266)
1c4762a1bSJed Brown 
2c4762a1bSJed Brown static char help[] = "Tests error message in DMCreateColoring() with periodic boundary conditions. \n\n";
3c4762a1bSJed Brown 
4c4762a1bSJed Brown #include <petscdm.h>
5c4762a1bSJed Brown #include <petscdmda.h>
6c4762a1bSJed Brown #include <petscmat.h>
7c4762a1bSJed Brown 
8c4762a1bSJed Brown int main(int argc,char **argv)
9c4762a1bSJed Brown {
10c4762a1bSJed Brown   Mat            J;
11c4762a1bSJed Brown   PetscErrorCode ierr;
12c4762a1bSJed Brown   DM             da;
13c4762a1bSJed Brown   MatFDColoring  matfdcoloring = 0;
14c4762a1bSJed Brown   ISColoring     iscoloring;
15c4762a1bSJed Brown 
16c4762a1bSJed Brown   ierr = PetscInitialize(&argc,&argv,(char*)0,help);if (ierr) return ierr;
17c4762a1bSJed Brown   /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
18c4762a1bSJed Brown      Create distributed array (DMDA) to manage parallel grid and vectors
19c4762a1bSJed Brown   - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
20*5f80ce2aSJacob Faibussowitsch   CHKERRQ(DMDACreate2d(PETSC_COMM_WORLD,DM_BOUNDARY_PERIODIC, DM_BOUNDARY_NONE,DMDA_STENCIL_BOX,-5,-5,PETSC_DECIDE,PETSC_DECIDE,1,2,0,0,&da));
21*5f80ce2aSJacob Faibussowitsch   CHKERRQ(DMSetFromOptions(da));
22*5f80ce2aSJacob Faibussowitsch   CHKERRQ(DMSetUp(da));
23*5f80ce2aSJacob Faibussowitsch   CHKERRQ(DMSetMatType(da,MATAIJ));
24*5f80ce2aSJacob Faibussowitsch   CHKERRQ(DMCreateMatrix(da,&J));
25*5f80ce2aSJacob Faibussowitsch   CHKERRQ(DMCreateColoring(da,IS_COLORING_LOCAL,&iscoloring));
26*5f80ce2aSJacob Faibussowitsch   CHKERRQ(MatFDColoringCreate(J,iscoloring,&matfdcoloring));
27*5f80ce2aSJacob Faibussowitsch   CHKERRQ(MatFDColoringSetUp(J,iscoloring,matfdcoloring));
28*5f80ce2aSJacob Faibussowitsch   CHKERRQ(ISColoringDestroy(&iscoloring));
29c4762a1bSJed Brown 
30c4762a1bSJed Brown   /* free spaces */
31*5f80ce2aSJacob Faibussowitsch   CHKERRQ(MatDestroy(&J));
32*5f80ce2aSJacob Faibussowitsch   CHKERRQ(MatFDColoringDestroy(&matfdcoloring));
33*5f80ce2aSJacob Faibussowitsch   CHKERRQ(DMDestroy(&da));
34c4762a1bSJed Brown   ierr = PetscFinalize();
35c4762a1bSJed Brown   return ierr;
36c4762a1bSJed Brown }
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