1 2 static char help[] = "Tests error message in DMCreateColoring() with periodic boundary conditions. \n\n"; 3 4 #include <petscdm.h> 5 #include <petscdmda.h> 6 #include <petscmat.h> 7 8 int main(int argc,char **argv) 9 { 10 Mat J; 11 PetscErrorCode ierr; 12 DM da; 13 MatFDColoring matfdcoloring = 0; 14 ISColoring iscoloring; 15 16 ierr = PetscInitialize(&argc,&argv,(char*)0,help);if (ierr) return ierr; 17 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 18 Create distributed array (DMDA) to manage parallel grid and vectors 19 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ 20 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 CHKERRQ(DMSetFromOptions(da)); 22 CHKERRQ(DMSetUp(da)); 23 CHKERRQ(DMSetMatType(da,MATAIJ)); 24 CHKERRQ(DMCreateMatrix(da,&J)); 25 CHKERRQ(DMCreateColoring(da,IS_COLORING_LOCAL,&iscoloring)); 26 CHKERRQ(MatFDColoringCreate(J,iscoloring,&matfdcoloring)); 27 CHKERRQ(MatFDColoringSetUp(J,iscoloring,matfdcoloring)); 28 CHKERRQ(ISColoringDestroy(&iscoloring)); 29 30 /* free spaces */ 31 CHKERRQ(MatDestroy(&J)); 32 CHKERRQ(MatFDColoringDestroy(&matfdcoloring)); 33 CHKERRQ(DMDestroy(&da)); 34 ierr = PetscFinalize(); 35 return ierr; 36 } 37