1c4762a1bSJed Brown static char help[] = "Test MatCreateRedundantMatrix for a BAIJ matrix.\n\ 2c4762a1bSJed Brown Contributed by Lawrence Mitchell, Feb. 21, 2017\n\n"; 3c4762a1bSJed Brown 4c4762a1bSJed Brown #include <petscmat.h> 5d71ae5a4SJacob Faibussowitsch int main(int argc, char **args) 6d71ae5a4SJacob Faibussowitsch { 7c4762a1bSJed Brown Mat A, B; 8c4762a1bSJed Brown Vec diag; 9c4762a1bSJed Brown PetscMPIInt size, rank; 10c4762a1bSJed Brown 11327415f7SBarry Smith PetscFunctionBeginUser; 12*c8025a54SPierre Jolivet PetscCall(PetscInitialize(&argc, &args, NULL, help)); 139566063dSJacob Faibussowitsch PetscCallMPI(MPI_Comm_size(PETSC_COMM_WORLD, &size)); 149566063dSJacob Faibussowitsch PetscCallMPI(MPI_Comm_rank(PETSC_COMM_WORLD, &rank)); 15c4762a1bSJed Brown 169566063dSJacob Faibussowitsch PetscCall(MatCreate(PETSC_COMM_WORLD, &A)); 179566063dSJacob Faibussowitsch PetscCall(MatSetSizes(A, 2, 2, PETSC_DETERMINE, PETSC_DETERMINE)); 189566063dSJacob Faibussowitsch PetscCall(MatSetBlockSize(A, 2)); 199566063dSJacob Faibussowitsch PetscCall(MatSetType(A, MATBAIJ)); 209566063dSJacob Faibussowitsch PetscCall(MatSetUp(A)); 21c4762a1bSJed Brown 229566063dSJacob Faibussowitsch PetscCall(MatCreateVecs(A, &diag, NULL)); 239566063dSJacob Faibussowitsch PetscCall(VecSet(diag, 1.0)); 249566063dSJacob Faibussowitsch PetscCall(MatDiagonalSet(A, diag, INSERT_VALUES)); 259566063dSJacob Faibussowitsch PetscCall(MatAssemblyBegin(A, MAT_FINAL_ASSEMBLY)); 269566063dSJacob Faibussowitsch PetscCall(MatAssemblyEnd(A, MAT_FINAL_ASSEMBLY)); 279566063dSJacob Faibussowitsch PetscCall(MatView(A, PETSC_VIEWER_STDOUT_WORLD)); 28c4762a1bSJed Brown 299566063dSJacob Faibussowitsch PetscCall(MatCreateRedundantMatrix(A, size, MPI_COMM_NULL, MAT_INITIAL_MATRIX, &B)); 3048a46eb9SPierre Jolivet if (rank == 0) PetscCall(MatView(B, PETSC_VIEWER_STDOUT_SELF)); 31c4762a1bSJed Brown 329566063dSJacob Faibussowitsch PetscCall(MatDestroy(&A)); 339566063dSJacob Faibussowitsch PetscCall(MatDestroy(&B)); 349566063dSJacob Faibussowitsch PetscCall(VecDestroy(&diag)); 359566063dSJacob Faibussowitsch PetscCall(PetscFinalize()); 36b122ec5aSJacob Faibussowitsch return 0; 37c4762a1bSJed Brown } 38c4762a1bSJed Brown 39c4762a1bSJed Brown /*TEST 40c4762a1bSJed Brown 41c4762a1bSJed Brown test: 42c4762a1bSJed Brown 43c4762a1bSJed Brown test: 44c4762a1bSJed Brown suffix: 2 45c4762a1bSJed Brown nsize: 3 46c4762a1bSJed Brown 47c4762a1bSJed Brown TEST*/ 48