1c4762a1bSJed Brown 2c4762a1bSJed Brown static char help[] = "Tests DMLocalToGlobal() for dof > 1\n\n"; 3c4762a1bSJed Brown 4c4762a1bSJed Brown #include <petscdm.h> 5c4762a1bSJed Brown #include <petscdmda.h> 6c4762a1bSJed Brown 7c4762a1bSJed Brown int main(int argc,char **argv) 8c4762a1bSJed Brown { 9c4762a1bSJed Brown PetscInt M = 6,N = 5,m = PETSC_DECIDE,n = PETSC_DECIDE,i,j,is,js,in,jen; 10c4762a1bSJed Brown DM da; 11c4762a1bSJed Brown Vec local,global; 12c4762a1bSJed Brown PetscScalar ***l; 13c4762a1bSJed Brown 14*9566063dSJacob Faibussowitsch PetscCall(PetscInitialize(&argc,&argv,(char*)0,help)); 15c4762a1bSJed Brown /* Create distributed array and get vectors */ 16*9566063dSJacob Faibussowitsch PetscCall(DMDACreate2d(PETSC_COMM_WORLD, DM_BOUNDARY_NONE, DM_BOUNDARY_NONE,DMDA_STENCIL_BOX,M,N,m,n,3,1,NULL,NULL,&da)); 17*9566063dSJacob Faibussowitsch PetscCall(DMSetFromOptions(da)); 18*9566063dSJacob Faibussowitsch PetscCall(DMSetUp(da)); 19*9566063dSJacob Faibussowitsch PetscCall(DMCreateGlobalVector(da,&global)); 20*9566063dSJacob Faibussowitsch PetscCall(DMCreateLocalVector(da,&local)); 21c4762a1bSJed Brown 22*9566063dSJacob Faibussowitsch PetscCall(DMDAGetCorners(da,&is,&js,0,&in,&jen,0)); 23*9566063dSJacob Faibussowitsch PetscCall(DMDAVecGetArrayDOF(da,local,&l)); 24c4762a1bSJed Brown for (i=is; i<is+in; i++) { 25c4762a1bSJed Brown for (j=js; j<js+jen; j++) { 26c4762a1bSJed Brown l[j][i][0] = 3*(i + j*M); 27c4762a1bSJed Brown l[j][i][1] = 3*(i + j*M) + 1; 28c4762a1bSJed Brown l[j][i][2] = 3*(i + j*M) + 2; 29c4762a1bSJed Brown } 30c4762a1bSJed Brown } 31*9566063dSJacob Faibussowitsch PetscCall(DMDAVecRestoreArrayDOF(da,local,&l)); 32*9566063dSJacob Faibussowitsch PetscCall(DMLocalToGlobalBegin(da,local,ADD_VALUES,global)); 33*9566063dSJacob Faibussowitsch PetscCall(DMLocalToGlobalEnd(da,local,ADD_VALUES,global)); 34c4762a1bSJed Brown 35*9566063dSJacob Faibussowitsch PetscCall(VecView(global,PETSC_VIEWER_STDOUT_WORLD)); 36c4762a1bSJed Brown 37c4762a1bSJed Brown /* Free memory */ 38*9566063dSJacob Faibussowitsch PetscCall(VecDestroy(&local)); 39*9566063dSJacob Faibussowitsch PetscCall(VecDestroy(&global)); 40*9566063dSJacob Faibussowitsch PetscCall(DMDestroy(&da)); 41*9566063dSJacob Faibussowitsch PetscCall(PetscFinalize()); 42b122ec5aSJacob Faibussowitsch return 0; 43c4762a1bSJed Brown } 44c4762a1bSJed Brown 45c4762a1bSJed Brown /*TEST 46c4762a1bSJed Brown 47c4762a1bSJed Brown test: 48c4762a1bSJed Brown filter: grep -v -i Process 49c4762a1bSJed Brown output_file: output/ex24_1.out 50c4762a1bSJed Brown 51c4762a1bSJed Brown test: 52c4762a1bSJed Brown suffix: 2 53c4762a1bSJed Brown nsize: 2 54c4762a1bSJed Brown filter: grep -v -i Process 55c4762a1bSJed Brown output_file: output/ex24_2.out 56c4762a1bSJed Brown 57c4762a1bSJed Brown test: 58c4762a1bSJed Brown suffix: 3 59c4762a1bSJed Brown nsize: 3 60c4762a1bSJed Brown filter: grep -v -i Process 61c4762a1bSJed Brown output_file: output/ex24_2.out 62c4762a1bSJed Brown 63c4762a1bSJed Brown test: 64c4762a1bSJed Brown suffix: 4 65c4762a1bSJed Brown nsize: 4 66c4762a1bSJed Brown filter: grep -v -i Process 67c4762a1bSJed Brown output_file: output/ex24_2.out 68c4762a1bSJed Brown 69c4762a1bSJed Brown test: 70c4762a1bSJed Brown suffix: 5 71c4762a1bSJed Brown nsize: 5 72c4762a1bSJed Brown filter: grep -v -i Process 73c4762a1bSJed Brown output_file: output/ex24_2.out 74c4762a1bSJed Brown 75c4762a1bSJed Brown test: 76c4762a1bSJed Brown suffix: 6 77c4762a1bSJed Brown nsize: 6 78c4762a1bSJed Brown filter: grep -v -i Process 79c4762a1bSJed Brown output_file: output/ex24_2.out 80c4762a1bSJed Brown 81c4762a1bSJed Brown TEST*/ 82