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*ffc4695bSBarry Smith ierr = MPI_Comm_size(PETSC_COMM_WORLD, &size);CHKERRMPI(ierr); 14*ffc4695bSBarry Smith ierr = MPI_Comm_rank(PETSC_COMM_WORLD, &rank);CHKERRMPI(ierr); 15c4762a1bSJed Brown 16c4762a1bSJed Brown ierr = MatCreate(PETSC_COMM_WORLD, &A);CHKERRQ(ierr); 17c4762a1bSJed Brown ierr = MatSetSizes(A, 2, 2, PETSC_DETERMINE, PETSC_DETERMINE);CHKERRQ(ierr); 18c4762a1bSJed Brown ierr = MatSetBlockSize(A, 2);CHKERRQ(ierr); 19c4762a1bSJed Brown ierr = MatSetType(A, MATBAIJ);CHKERRQ(ierr); 20c4762a1bSJed Brown ierr = MatSetUp(A);CHKERRQ(ierr); 21c4762a1bSJed Brown 22c4762a1bSJed Brown ierr = MatCreateVecs(A, &diag, NULL);CHKERRQ(ierr); 23c4762a1bSJed Brown ierr = VecSet(diag, 1.0);CHKERRQ(ierr); 24c4762a1bSJed Brown ierr = MatDiagonalSet(A, diag, INSERT_VALUES);CHKERRQ(ierr); 25c4762a1bSJed Brown ierr = MatAssemblyBegin(A, MAT_FINAL_ASSEMBLY);CHKERRQ(ierr); 26c4762a1bSJed Brown ierr = MatAssemblyEnd(A, MAT_FINAL_ASSEMBLY);CHKERRQ(ierr); 27c4762a1bSJed Brown ierr = MatView(A,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr); 28c4762a1bSJed Brown 29c4762a1bSJed Brown ierr = MatCreateRedundantMatrix(A, size, MPI_COMM_NULL, MAT_INITIAL_MATRIX, &B);CHKERRQ(ierr); 30c4762a1bSJed Brown if (!rank) { 31c4762a1bSJed Brown ierr = MatView(B,PETSC_VIEWER_STDOUT_SELF);CHKERRQ(ierr); 32c4762a1bSJed Brown } 33c4762a1bSJed Brown 34c4762a1bSJed Brown ierr = MatDestroy(&A);CHKERRQ(ierr); 35c4762a1bSJed Brown ierr = MatDestroy(&B);CHKERRQ(ierr); 36c4762a1bSJed Brown ierr = VecDestroy(&diag);CHKERRQ(ierr); 37c4762a1bSJed Brown ierr = PetscFinalize(); 38c4762a1bSJed Brown return ierr; 39c4762a1bSJed Brown } 40c4762a1bSJed Brown 41c4762a1bSJed Brown 42c4762a1bSJed Brown /*TEST 43c4762a1bSJed Brown 44c4762a1bSJed Brown test: 45c4762a1bSJed Brown 46c4762a1bSJed Brown test: 47c4762a1bSJed Brown suffix: 2 48c4762a1bSJed Brown nsize: 3 49c4762a1bSJed Brown 50c4762a1bSJed Brown TEST*/ 51