1 2 static char help[] = "Tests periodic boundary conditions for DMDA1d with periodic boundary conditions.\n\n"; 3 4 #include <petscdmda.h> 5 6 int main(int argc,char **argv) 7 { 8 PetscErrorCode ierr; 9 DM da; 10 Mat A; 11 const PetscInt dfill[4] = {0,1,0,1},ofill[4] = {0,1,1,0}; 12 13 ierr = PetscInitialize(&argc,&argv,(char*)0,help);if (ierr) return ierr; 14 CHKERRQ(DMDACreate1d(PETSC_COMM_WORLD,DM_BOUNDARY_PERIODIC,7,2,1,NULL,&da)); 15 CHKERRQ(DMSetFromOptions(da)); 16 CHKERRQ(DMDASetBlockFills(da,dfill,ofill)); 17 CHKERRQ(DMSetUp(da)); 18 CHKERRQ(DMCreateMatrix(da,&A)); 19 CHKERRQ(MatView(A,PETSC_VIEWER_STDOUT_WORLD)); 20 CHKERRQ(PetscViewerPushFormat(PETSC_VIEWER_STDOUT_WORLD,PETSC_VIEWER_ASCII_INFO)); 21 CHKERRQ(MatView(A,PETSC_VIEWER_STDOUT_WORLD)); 22 CHKERRQ(MatDestroy(&A)); 23 CHKERRQ(DMDestroy(&da)); 24 ierr = PetscFinalize(); 25 return ierr; 26 } 27 28 /*TEST 29 30 test: 31 32 test: 33 suffix: 2 34 nsize: 2 35 36 TEST*/ 37