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 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); 21 ierr = DMSetFromOptions(da);CHKERRQ(ierr); 22 ierr = DMSetUp(da);CHKERRQ(ierr); 23 ierr = DMSetMatType(da,MATAIJ);CHKERRQ(ierr); 24 ierr = DMCreateMatrix(da,&J);CHKERRQ(ierr); 25 ierr = DMCreateColoring(da,IS_COLORING_LOCAL,&iscoloring);CHKERRQ(ierr); 26 ierr = MatFDColoringCreate(J,iscoloring,&matfdcoloring);CHKERRQ(ierr); 27 ierr = MatFDColoringSetUp(J,iscoloring,matfdcoloring);CHKERRQ(ierr); 28 ierr = ISColoringDestroy(&iscoloring);CHKERRQ(ierr); 29 30 /* free spaces */ 31 ierr = MatDestroy(&J);CHKERRQ(ierr); 32 ierr = MatFDColoringDestroy(&matfdcoloring);CHKERRQ(ierr); 33 ierr = DMDestroy(&da);CHKERRQ(ierr); 34 ierr = PetscFinalize(); 35 return ierr; 36 } 37