1 2 static char help[] = "Tests error message in DMCreateColoring() with periodic boundary conditions. \n\n"; 3 4 5 #include <petscdm.h> 6 #include <petscdmda.h> 7 #include <petscmat.h> 8 9 int main(int argc,char **argv) 10 { 11 Mat J; 12 PetscErrorCode ierr; 13 DM da; 14 MatFDColoring matfdcoloring = 0; 15 ISColoring iscoloring; 16 17 ierr = PetscInitialize(&argc,&argv,(char*)0,help);if (ierr) return ierr; 18 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 19 Create distributed array (DMDA) to manage parallel grid and vectors 20 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ 21 ierr = DMDACreate2d(PETSC_COMM_WORLD,DM_BOUNDARY_PERIODIC, DM_BOUNDARY_NONE,DMDA_STENCIL_BOX,-5,-5,PETSC_DECIDE,PETSC_DECIDE,1,2,0,0,&da);CHKERRQ(ierr); 22 ierr = DMSetFromOptions(da);CHKERRQ(ierr); 23 ierr = DMSetUp(da);CHKERRQ(ierr); 24 ierr = DMSetMatType(da,MATAIJ);CHKERRQ(ierr); 25 ierr = DMCreateMatrix(da,&J);CHKERRQ(ierr); 26 ierr = DMCreateColoring(da,IS_COLORING_LOCAL,&iscoloring);CHKERRQ(ierr); 27 ierr = MatFDColoringCreate(J,iscoloring,&matfdcoloring);CHKERRQ(ierr); 28 ierr = MatFDColoringSetUp(J,iscoloring,matfdcoloring);CHKERRQ(ierr); 29 ierr = ISColoringDestroy(&iscoloring);CHKERRQ(ierr); 30 31 /* free spaces */ 32 ierr = MatDestroy(&J);CHKERRQ(ierr); 33 ierr = MatFDColoringDestroy(&matfdcoloring);CHKERRQ(ierr); 34 ierr = DMDestroy(&da);CHKERRQ(ierr); 35 ierr = PetscFinalize(); 36 return ierr; 37 } 38