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*b122ec5aSJacob Faibussowitsch CHKERRQ(PetscInitialize(&argc,&args,(char*)0,help)); 125f80ce2aSJacob Faibussowitsch CHKERRMPI(MPI_Comm_size(PETSC_COMM_WORLD, &size)); 135f80ce2aSJacob Faibussowitsch CHKERRMPI(MPI_Comm_rank(PETSC_COMM_WORLD, &rank)); 14c4762a1bSJed Brown 155f80ce2aSJacob Faibussowitsch CHKERRQ(MatCreate(PETSC_COMM_WORLD, &A)); 165f80ce2aSJacob Faibussowitsch CHKERRQ(MatSetSizes(A, 2, 2, PETSC_DETERMINE, PETSC_DETERMINE)); 175f80ce2aSJacob Faibussowitsch CHKERRQ(MatSetBlockSize(A, 2)); 185f80ce2aSJacob Faibussowitsch CHKERRQ(MatSetType(A, MATBAIJ)); 195f80ce2aSJacob Faibussowitsch CHKERRQ(MatSetUp(A)); 20c4762a1bSJed Brown 215f80ce2aSJacob Faibussowitsch CHKERRQ(MatCreateVecs(A, &diag, NULL)); 225f80ce2aSJacob Faibussowitsch CHKERRQ(VecSet(diag, 1.0)); 235f80ce2aSJacob Faibussowitsch CHKERRQ(MatDiagonalSet(A, diag, INSERT_VALUES)); 245f80ce2aSJacob Faibussowitsch CHKERRQ(MatAssemblyBegin(A, MAT_FINAL_ASSEMBLY)); 255f80ce2aSJacob Faibussowitsch CHKERRQ(MatAssemblyEnd(A, MAT_FINAL_ASSEMBLY)); 265f80ce2aSJacob Faibussowitsch CHKERRQ(MatView(A,PETSC_VIEWER_STDOUT_WORLD)); 27c4762a1bSJed Brown 285f80ce2aSJacob Faibussowitsch CHKERRQ(MatCreateRedundantMatrix(A, size, MPI_COMM_NULL, MAT_INITIAL_MATRIX, &B)); 29dd400576SPatrick Sanan if (rank == 0) { 305f80ce2aSJacob Faibussowitsch CHKERRQ(MatView(B,PETSC_VIEWER_STDOUT_SELF)); 31c4762a1bSJed Brown } 32c4762a1bSJed Brown 335f80ce2aSJacob Faibussowitsch CHKERRQ(MatDestroy(&A)); 345f80ce2aSJacob Faibussowitsch CHKERRQ(MatDestroy(&B)); 355f80ce2aSJacob Faibussowitsch CHKERRQ(VecDestroy(&diag)); 36*b122ec5aSJacob Faibussowitsch CHKERRQ(PetscFinalize()); 37*b122ec5aSJacob 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