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 DM da; 9c4762a1bSJed Brown PetscViewer vw; 10c4762a1bSJed Brown PetscInt dim = 2,m,n,p; 11c4762a1bSJed Brown const PetscInt *lx,*ly,*lz; 12c4762a1bSJed Brown PetscMPIInt rank; 13c4762a1bSJed Brown 149566063dSJacob Faibussowitsch PetscCall(PetscInitialize(&argc,&argv,0,help)); 159566063dSJacob Faibussowitsch PetscCall(PetscOptionsGetInt(NULL,0,"-dim",&dim,0)); 16c4762a1bSJed Brown switch (dim) { 17c4762a1bSJed Brown case 2: 189566063dSJacob Faibussowitsch PetscCall(DMDACreate2d(PETSC_COMM_WORLD,DM_BOUNDARY_NONE, DM_BOUNDARY_NONE,DMDA_STENCIL_STAR, 3,5,PETSC_DECIDE,PETSC_DECIDE,2,1,NULL,NULL,&da)); 19c4762a1bSJed Brown break; 20c4762a1bSJed Brown case 3: 219566063dSJacob Faibussowitsch PetscCall(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)); 22c4762a1bSJed Brown break; 23*63a3b9bcSJacob Faibussowitsch default: SETERRQ(PETSC_COMM_WORLD,PETSC_ERR_SUP,"No support for %" PetscInt_FMT " dimensions",dim); 24c4762a1bSJed Brown } 259566063dSJacob Faibussowitsch PetscCall(DMSetFromOptions(da)); 269566063dSJacob Faibussowitsch PetscCall(DMSetUp(da)); 279566063dSJacob Faibussowitsch PetscCall(DMDAGetInfo(da, 0, 0,0,0, &m,&n,&p, 0,0, 0,0,0,0)); 289566063dSJacob Faibussowitsch PetscCall(DMDAGetOwnershipRanges(da,&lx,&ly,&lz)); 299566063dSJacob Faibussowitsch PetscCallMPI(MPI_Comm_rank(PETSC_COMM_WORLD,&rank)); 30c4762a1bSJed Brown 319566063dSJacob Faibussowitsch PetscCall(PetscViewerGetSubViewer(PETSC_VIEWER_STDOUT_WORLD,PETSC_COMM_SELF,&vw)); 329566063dSJacob Faibussowitsch PetscCall(PetscViewerASCIIPrintf(vw,"[%d] lx ly%s\n",rank,dim>2 ? " lz" : "")); 339566063dSJacob Faibussowitsch PetscCall(PetscIntView(m,lx,vw)); 349566063dSJacob Faibussowitsch PetscCall(PetscIntView(n,ly,vw)); 359566063dSJacob Faibussowitsch if (dim > 2) PetscCall(PetscIntView(n,lz,vw)); 369566063dSJacob Faibussowitsch PetscCall(PetscViewerRestoreSubViewer(PETSC_VIEWER_STDOUT_WORLD,PETSC_COMM_SELF,&vw)); 379566063dSJacob Faibussowitsch PetscCall(PetscViewerFlush(PETSC_VIEWER_STDOUT_WORLD)); 38c4762a1bSJed Brown 399566063dSJacob Faibussowitsch PetscCall(DMDestroy(&da)); 409566063dSJacob Faibussowitsch PetscCall(PetscFinalize()); 41b122ec5aSJacob Faibussowitsch return 0; 42c4762a1bSJed Brown } 43c4762a1bSJed Brown 44c4762a1bSJed Brown /*TEST 45c4762a1bSJed Brown 46c4762a1bSJed Brown test: 47c4762a1bSJed Brown nsize: 12 48c4762a1bSJed Brown args: -dm_view -dim 3 -da_grid_x 11 -da_grid_y 5 -da_grid_z 7 49c4762a1bSJed Brown 50c4762a1bSJed Brown TEST*/ 51