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 DM da; 9 Mat A; 10 const PetscInt dfill[4] = {0,1,0,1},ofill[4] = {0,1,1,0}; 11 12 CHKERRQ(PetscInitialize(&argc,&argv,(char*)0,help)); 13 CHKERRQ(DMDACreate1d(PETSC_COMM_WORLD,DM_BOUNDARY_PERIODIC,7,2,1,NULL,&da)); 14 CHKERRQ(DMSetFromOptions(da)); 15 CHKERRQ(DMDASetBlockFills(da,dfill,ofill)); 16 CHKERRQ(DMSetUp(da)); 17 CHKERRQ(DMCreateMatrix(da,&A)); 18 CHKERRQ(MatView(A,PETSC_VIEWER_STDOUT_WORLD)); 19 CHKERRQ(PetscViewerPushFormat(PETSC_VIEWER_STDOUT_WORLD,PETSC_VIEWER_ASCII_INFO)); 20 CHKERRQ(MatView(A,PETSC_VIEWER_STDOUT_WORLD)); 21 CHKERRQ(MatDestroy(&A)); 22 CHKERRQ(DMDestroy(&da)); 23 CHKERRQ(PetscFinalize()); 24 return 0; 25 } 26 27 /*TEST 28 29 test: 30 31 test: 32 suffix: 2 33 nsize: 2 34 35 TEST*/ 36