1c4762a1bSJed Brown static const char help[] = "Test DMDAGetOwnershipRanges()\n"; 2c4762a1bSJed Brown 3c4762a1bSJed Brown #include <petscdm.h> 4c4762a1bSJed Brown #include <petscdmda.h> 5c4762a1bSJed Brown 6c4762a1bSJed Brown int main(int argc,char *argv[]) 7c4762a1bSJed Brown { 8c4762a1bSJed Brown PetscErrorCode ierr; 9c4762a1bSJed Brown DM da; 10c4762a1bSJed Brown PetscViewer vw; 11c4762a1bSJed Brown PetscInt dim = 2,m,n,p; 12c4762a1bSJed Brown const PetscInt *lx,*ly,*lz; 13c4762a1bSJed Brown PetscMPIInt rank; 14c4762a1bSJed Brown 15c4762a1bSJed Brown ierr = PetscInitialize(&argc,&argv,0,help);if (ierr) return ierr; 16c4762a1bSJed Brown ierr = PetscOptionsGetInt(NULL,0,"-dim",&dim,0);CHKERRQ(ierr); 17c4762a1bSJed Brown switch (dim) { 18c4762a1bSJed Brown case 2: 19c4762a1bSJed Brown ierr = DMDACreate2d(PETSC_COMM_WORLD,DM_BOUNDARY_NONE, DM_BOUNDARY_NONE,DMDA_STENCIL_STAR, 3,5,PETSC_DECIDE,PETSC_DECIDE,2,1,NULL,NULL,&da);CHKERRQ(ierr); 20c4762a1bSJed Brown break; 21c4762a1bSJed Brown case 3: 22c4762a1bSJed Brown ierr = DMDACreate3d(PETSC_COMM_WORLD,DM_BOUNDARY_NONE,DM_BOUNDARY_NONE,DM_BOUNDARY_NONE,DMDA_STENCIL_STAR, 3,5,7,PETSC_DECIDE,PETSC_DECIDE,PETSC_DECIDE,2,1,NULL,NULL,NULL,&da);CHKERRQ(ierr); 23c4762a1bSJed Brown break; 24*98921bdaSJacob Faibussowitsch default: SETERRQ(PETSC_COMM_WORLD,PETSC_ERR_SUP,"No support for %D dimensions",dim); 25c4762a1bSJed Brown } 26c4762a1bSJed Brown ierr = DMSetFromOptions(da);CHKERRQ(ierr); 27c4762a1bSJed Brown ierr = DMSetUp(da);CHKERRQ(ierr); 28c4762a1bSJed Brown ierr = DMDAGetInfo(da, 0, 0,0,0, &m,&n,&p, 0,0, 0,0,0,0);CHKERRQ(ierr); 29c4762a1bSJed Brown ierr = DMDAGetOwnershipRanges(da,&lx,&ly,&lz);CHKERRQ(ierr); 30ffc4695bSBarry Smith ierr = MPI_Comm_rank(PETSC_COMM_WORLD,&rank);CHKERRMPI(ierr); 31c4762a1bSJed Brown 32c4762a1bSJed Brown ierr = PetscViewerGetSubViewer(PETSC_VIEWER_STDOUT_WORLD,PETSC_COMM_SELF,&vw);CHKERRQ(ierr); 33c4762a1bSJed Brown ierr = PetscViewerASCIIPrintf(vw,"[%d] lx ly%s\n",rank,dim>2 ? " lz" : "");CHKERRQ(ierr); 34c4762a1bSJed Brown ierr = PetscIntView(m,lx,vw);CHKERRQ(ierr); 35c4762a1bSJed Brown ierr = PetscIntView(n,ly,vw);CHKERRQ(ierr); 36c4762a1bSJed Brown if (dim > 2) {ierr = PetscIntView(n,lz,vw);CHKERRQ(ierr);} 37c4762a1bSJed Brown ierr = PetscViewerRestoreSubViewer(PETSC_VIEWER_STDOUT_WORLD,PETSC_COMM_SELF,&vw);CHKERRQ(ierr); 38c4762a1bSJed Brown ierr = PetscViewerFlush(PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr); 39c4762a1bSJed Brown 40c4762a1bSJed Brown ierr = DMDestroy(&da);CHKERRQ(ierr); 41c4762a1bSJed Brown ierr = PetscFinalize(); 42c4762a1bSJed Brown return ierr; 43c4762a1bSJed Brown } 44c4762a1bSJed Brown 45c4762a1bSJed Brown /*TEST 46c4762a1bSJed Brown 47c4762a1bSJed Brown test: 48c4762a1bSJed Brown nsize: 12 49c4762a1bSJed Brown args: -dm_view -dim 3 -da_grid_x 11 -da_grid_y 5 -da_grid_z 7 50c4762a1bSJed Brown 51c4762a1bSJed Brown TEST*/ 52