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 PetscErrorCode ierr; 10c4762a1bSJed Brown PetscMPIInt size,rank; 11c4762a1bSJed Brown 12c4762a1bSJed Brown ierr = PetscInitialize(&argc,&args,(char*)0,help);if (ierr) return ierr; 13*5f80ce2aSJacob Faibussowitsch CHKERRMPI(MPI_Comm_size(PETSC_COMM_WORLD, &size)); 14*5f80ce2aSJacob Faibussowitsch CHKERRMPI(MPI_Comm_rank(PETSC_COMM_WORLD, &rank)); 15c4762a1bSJed Brown 16*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatCreate(PETSC_COMM_WORLD, &A)); 17*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatSetSizes(A, 2, 2, PETSC_DETERMINE, PETSC_DETERMINE)); 18*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatSetBlockSize(A, 2)); 19*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatSetType(A, MATBAIJ)); 20*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatSetUp(A)); 21c4762a1bSJed Brown 22*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatCreateVecs(A, &diag, NULL)); 23*5f80ce2aSJacob Faibussowitsch CHKERRQ(VecSet(diag, 1.0)); 24*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatDiagonalSet(A, diag, INSERT_VALUES)); 25*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatAssemblyBegin(A, MAT_FINAL_ASSEMBLY)); 26*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatAssemblyEnd(A, MAT_FINAL_ASSEMBLY)); 27*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatView(A,PETSC_VIEWER_STDOUT_WORLD)); 28c4762a1bSJed Brown 29*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatCreateRedundantMatrix(A, size, MPI_COMM_NULL, MAT_INITIAL_MATRIX, &B)); 30dd400576SPatrick Sanan if (rank == 0) { 31*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatView(B,PETSC_VIEWER_STDOUT_SELF)); 32c4762a1bSJed Brown } 33c4762a1bSJed Brown 34*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatDestroy(&A)); 35*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatDestroy(&B)); 36*5f80ce2aSJacob Faibussowitsch CHKERRQ(VecDestroy(&diag)); 37c4762a1bSJed Brown ierr = PetscFinalize(); 38c4762a1bSJed Brown return ierr; 39c4762a1bSJed Brown } 40c4762a1bSJed Brown 41c4762a1bSJed Brown /*TEST 42c4762a1bSJed Brown 43c4762a1bSJed Brown test: 44c4762a1bSJed Brown 45c4762a1bSJed Brown test: 46c4762a1bSJed Brown suffix: 2 47c4762a1bSJed Brown nsize: 3 48c4762a1bSJed Brown 49c4762a1bSJed Brown TEST*/ 50