1 2 static char help[] = "Tests DMLocalToGlobal() for dof > 1\n\n"; 3 4 #include <petscdm.h> 5 #include <petscdmda.h> 6 7 int main(int argc,char **argv) 8 { 9 PetscInt M = 6,N = 5,P = 4, m = PETSC_DECIDE,n = PETSC_DECIDE,p = PETSC_DECIDE,i,j,k,is,js,ks,in,jen,kn; 10 PetscErrorCode ierr; 11 DM da; 12 Vec local,global; 13 PetscScalar ****l; 14 15 ierr = PetscInitialize(&argc,&argv,(char*)0,help);if (ierr) return ierr; 16 /* Create distributed array and get vectors */ 17 CHKERRQ(DMDACreate3d(PETSC_COMM_WORLD,DM_BOUNDARY_NONE,DM_BOUNDARY_NONE,DM_BOUNDARY_NONE,DMDA_STENCIL_BOX,M,N,P,m,n,p,2,1,NULL,NULL,NULL,&da)); 18 CHKERRQ(DMSetFromOptions(da)); 19 CHKERRQ(DMSetUp(da)); 20 CHKERRQ(DMCreateGlobalVector(da,&global)); 21 CHKERRQ(DMCreateLocalVector(da,&local)); 22 23 CHKERRQ(DMDAGetCorners(da,&is,&js,&ks,&in,&jen,&kn)); 24 CHKERRQ(DMDAVecGetArrayDOF(da,local,&l)); 25 for (i=is; i<is+in; i++) { 26 for (j=js; j<js+jen; j++) { 27 for (k=ks; k<ks+kn; k++) { 28 l[k][j][i][0] = 2*(i + j*M + k*M*N); 29 l[k][j][i][1] = 2*(i + j*M + k*M*N) + 1; 30 } 31 } 32 } 33 CHKERRQ(DMDAVecRestoreArrayDOF(da,local,&l)); 34 CHKERRQ(DMLocalToGlobalBegin(da,local,ADD_VALUES,global)); 35 CHKERRQ(DMLocalToGlobalEnd(da,local,ADD_VALUES,global)); 36 37 CHKERRQ(VecView(global,PETSC_VIEWER_STDOUT_WORLD)); 38 39 /* Free memory */ 40 CHKERRQ(VecDestroy(&local)); 41 CHKERRQ(VecDestroy(&global)); 42 CHKERRQ(DMDestroy(&da)); 43 ierr = PetscFinalize(); 44 return ierr; 45 } 46 47 /*TEST 48 49 test: 50 filter: grep -v -i Process 51 output_file: output/ex25_1.out 52 53 test: 54 suffix: 2 55 nsize: 2 56 filter: grep -v -i Process 57 output_file: output/ex25_2.out 58 59 test: 60 suffix: 3 61 nsize: 3 62 filter: grep -v -i Process 63 output_file: output/ex25_2.out 64 65 test: 66 suffix: 4 67 nsize: 4 68 filter: grep -v -i Process 69 output_file: output/ex25_2.out 70 71 test: 72 suffix: 5 73 nsize: 5 74 filter: grep -v -i Process 75 output_file: output/ex25_2.out 76 77 test: 78 suffix: 6 79 nsize: 6 80 filter: grep -v -i Process 81 output_file: output/ex25_2.out 82 83 TEST*/ 84