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> 5c4762a1bSJed Brown int main(int argc,char **args) 6c4762a1bSJed Brown { 7c4762a1bSJed Brown Mat A,B; 8c4762a1bSJed Brown Vec diag; 9c4762a1bSJed Brown PetscMPIInt size,rank; 10c4762a1bSJed Brown 11*9566063dSJacob Faibussowitsch PetscCall(PetscInitialize(&argc,&args,(char*)0,help)); 12*9566063dSJacob Faibussowitsch PetscCallMPI(MPI_Comm_size(PETSC_COMM_WORLD, &size)); 13*9566063dSJacob Faibussowitsch PetscCallMPI(MPI_Comm_rank(PETSC_COMM_WORLD, &rank)); 14c4762a1bSJed Brown 15*9566063dSJacob Faibussowitsch PetscCall(MatCreate(PETSC_COMM_WORLD, &A)); 16*9566063dSJacob Faibussowitsch PetscCall(MatSetSizes(A, 2, 2, PETSC_DETERMINE, PETSC_DETERMINE)); 17*9566063dSJacob Faibussowitsch PetscCall(MatSetBlockSize(A, 2)); 18*9566063dSJacob Faibussowitsch PetscCall(MatSetType(A, MATBAIJ)); 19*9566063dSJacob Faibussowitsch PetscCall(MatSetUp(A)); 20c4762a1bSJed Brown 21*9566063dSJacob Faibussowitsch PetscCall(MatCreateVecs(A, &diag, NULL)); 22*9566063dSJacob Faibussowitsch PetscCall(VecSet(diag, 1.0)); 23*9566063dSJacob Faibussowitsch PetscCall(MatDiagonalSet(A, diag, INSERT_VALUES)); 24*9566063dSJacob Faibussowitsch PetscCall(MatAssemblyBegin(A, MAT_FINAL_ASSEMBLY)); 25*9566063dSJacob Faibussowitsch PetscCall(MatAssemblyEnd(A, MAT_FINAL_ASSEMBLY)); 26*9566063dSJacob Faibussowitsch PetscCall(MatView(A,PETSC_VIEWER_STDOUT_WORLD)); 27c4762a1bSJed Brown 28*9566063dSJacob Faibussowitsch PetscCall(MatCreateRedundantMatrix(A, size, MPI_COMM_NULL, MAT_INITIAL_MATRIX, &B)); 29dd400576SPatrick Sanan if (rank == 0) { 30*9566063dSJacob Faibussowitsch PetscCall(MatView(B,PETSC_VIEWER_STDOUT_SELF)); 31c4762a1bSJed Brown } 32c4762a1bSJed Brown 33*9566063dSJacob Faibussowitsch PetscCall(MatDestroy(&A)); 34*9566063dSJacob Faibussowitsch PetscCall(MatDestroy(&B)); 35*9566063dSJacob Faibussowitsch PetscCall(VecDestroy(&diag)); 36*9566063dSJacob Faibussowitsch PetscCall(PetscFinalize()); 37b122ec5aSJacob Faibussowitsch return 0; 38c4762a1bSJed Brown } 39c4762a1bSJed Brown 40c4762a1bSJed Brown /*TEST 41c4762a1bSJed Brown 42c4762a1bSJed Brown test: 43c4762a1bSJed Brown 44c4762a1bSJed Brown test: 45c4762a1bSJed Brown suffix: 2 46c4762a1bSJed Brown nsize: 3 47c4762a1bSJed Brown 48c4762a1bSJed Brown TEST*/ 49