1c4762a1bSJed Brown 2c4762a1bSJed Brown static char help[] = "Tests late MatSetBlockSizes.\n\n"; 3c4762a1bSJed Brown 4c4762a1bSJed Brown #include <petscmat.h> 5c4762a1bSJed Brown 6*d71ae5a4SJacob Faibussowitsch int main(int argc, char **args) 7*d71ae5a4SJacob Faibussowitsch { 8c4762a1bSJed Brown Mat A; 9c4762a1bSJed Brown Vec x[4]; 10c4762a1bSJed Brown IS is; 11c4762a1bSJed Brown ISLocalToGlobalMapping rmap, cmap; 12c4762a1bSJed Brown PetscInt bs[4], l2gbs[4], rbs, cbs, l2grbs, l2gcbs, i; 13c4762a1bSJed Brown 14327415f7SBarry Smith PetscFunctionBeginUser; 159566063dSJacob Faibussowitsch PetscCall(PetscInitialize(&argc, &args, (char *)0, help)); 169566063dSJacob Faibussowitsch PetscCall(MatCreate(PETSC_COMM_WORLD, &A)); 179566063dSJacob Faibussowitsch PetscCall(MatSetSizes(A, 12, 12, PETSC_DECIDE, PETSC_DECIDE)); 189566063dSJacob Faibussowitsch PetscCall(MatSetType(A, MATAIJ)); 199566063dSJacob Faibussowitsch PetscCall(ISCreateStride(PETSC_COMM_WORLD, 12, 0, 1, &is)); 209566063dSJacob Faibussowitsch PetscCall(ISLocalToGlobalMappingCreateIS(is, &rmap)); 219566063dSJacob Faibussowitsch PetscCall(ISLocalToGlobalMappingSetBlockSize(rmap, 2)); 229566063dSJacob Faibussowitsch PetscCall(ISLocalToGlobalMappingCreateIS(is, &cmap)); 239566063dSJacob Faibussowitsch PetscCall(ISLocalToGlobalMappingSetBlockSize(cmap, 2)); 24c4762a1bSJed Brown 259566063dSJacob Faibussowitsch PetscCall(MatSetLocalToGlobalMapping(A, rmap, cmap)); 269566063dSJacob Faibussowitsch PetscCall(ISLocalToGlobalMappingDestroy(&rmap)); 279566063dSJacob Faibussowitsch PetscCall(ISLocalToGlobalMappingDestroy(&cmap)); 289566063dSJacob Faibussowitsch PetscCall(ISDestroy(&is)); 299566063dSJacob Faibussowitsch PetscCall(MatSetUp(A)); 30c4762a1bSJed Brown 319566063dSJacob Faibussowitsch PetscCall(MatCreateVecs(A, &x[1], &x[0])); 329566063dSJacob Faibussowitsch PetscCall(MatSetBlockSizes(A, 6, 3)); 339566063dSJacob Faibussowitsch PetscCall(MatCreateVecs(A, &x[3], &x[2])); 34c4762a1bSJed Brown for (i = 0; i < 4; i++) { 35c4762a1bSJed Brown ISLocalToGlobalMapping l2g; 36c4762a1bSJed Brown 379566063dSJacob Faibussowitsch PetscCall(VecGetBlockSize(x[i], &bs[i])); 389566063dSJacob Faibussowitsch PetscCall(VecGetLocalToGlobalMapping(x[i], &l2g)); 399566063dSJacob Faibussowitsch PetscCall(ISLocalToGlobalMappingGetBlockSize(l2g, &l2gbs[i])); 409566063dSJacob Faibussowitsch PetscCall(VecDestroy(&x[i])); 41c4762a1bSJed Brown } 429566063dSJacob Faibussowitsch PetscCall(MatGetBlockSizes(A, &rbs, &cbs)); 439566063dSJacob Faibussowitsch PetscCall(MatGetLocalToGlobalMapping(A, &rmap, &cmap)); 449566063dSJacob Faibussowitsch PetscCall(ISLocalToGlobalMappingGetBlockSize(rmap, &l2grbs)); 459566063dSJacob Faibussowitsch PetscCall(ISLocalToGlobalMappingGetBlockSize(cmap, &l2gcbs)); 469566063dSJacob Faibussowitsch PetscCall(MatDestroy(&A)); 479566063dSJacob Faibussowitsch PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Mat Block sizes: %" PetscInt_FMT " %" PetscInt_FMT " (l2g %" PetscInt_FMT " %" PetscInt_FMT ")\n", rbs, cbs, l2grbs, l2gcbs)); 489566063dSJacob Faibussowitsch PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Vec Block sizes: %" PetscInt_FMT " %" PetscInt_FMT " (l2g %" PetscInt_FMT " %" PetscInt_FMT ")\n", bs[0], bs[1], l2gbs[0], l2gbs[1])); 499566063dSJacob Faibussowitsch PetscCall(PetscPrintf(PETSC_COMM_WORLD, "Vec Block sizes: %" PetscInt_FMT " %" PetscInt_FMT " (l2g %" PetscInt_FMT " %" PetscInt_FMT ")\n", bs[2], bs[3], l2gbs[2], l2gbs[3])); 509566063dSJacob Faibussowitsch PetscCall(PetscFinalize()); 51b122ec5aSJacob Faibussowitsch return 0; 52c4762a1bSJed Brown } 53c4762a1bSJed Brown 54c4762a1bSJed Brown /*TEST 55c4762a1bSJed Brown 56c4762a1bSJed Brown test: 57c4762a1bSJed Brown nsize: 2 58c4762a1bSJed Brown 59c4762a1bSJed Brown TEST*/ 60