1*c4762a1bSJed Brown static char help[] = "Test MatCreateRedundantMatrix for a BAIJ matrix.\n\ 2*c4762a1bSJed Brown Contributed by Lawrence Mitchell, Feb. 21, 2017\n\n"; 3*c4762a1bSJed Brown 4*c4762a1bSJed Brown #include <petscmat.h> 5*c4762a1bSJed Brown int main(int argc,char **args) 6*c4762a1bSJed Brown { 7*c4762a1bSJed Brown Mat A,B; 8*c4762a1bSJed Brown Vec diag; 9*c4762a1bSJed Brown PetscErrorCode ierr; 10*c4762a1bSJed Brown PetscMPIInt size,rank; 11*c4762a1bSJed Brown 12*c4762a1bSJed Brown ierr = PetscInitialize(&argc,&args,(char*)0,help);if (ierr) return ierr; 13*c4762a1bSJed Brown ierr = MPI_Comm_size(PETSC_COMM_WORLD, &size);CHKERRQ(ierr); 14*c4762a1bSJed Brown ierr = MPI_Comm_rank(PETSC_COMM_WORLD, &rank);CHKERRQ(ierr); 15*c4762a1bSJed Brown 16*c4762a1bSJed Brown ierr = MatCreate(PETSC_COMM_WORLD, &A); CHKERRQ(ierr); 17*c4762a1bSJed Brown ierr = MatSetSizes(A, 2, 2, PETSC_DETERMINE, PETSC_DETERMINE);CHKERRQ(ierr); 18*c4762a1bSJed Brown ierr = MatSetBlockSize(A, 2);CHKERRQ(ierr); 19*c4762a1bSJed Brown ierr = MatSetType(A, MATBAIJ);CHKERRQ(ierr); 20*c4762a1bSJed Brown ierr = MatSetUp(A);CHKERRQ(ierr); 21*c4762a1bSJed Brown 22*c4762a1bSJed Brown ierr = MatCreateVecs(A, &diag, NULL);CHKERRQ(ierr); 23*c4762a1bSJed Brown ierr = VecSet(diag, 1.0); CHKERRQ(ierr); 24*c4762a1bSJed Brown ierr = MatDiagonalSet(A, diag, INSERT_VALUES);CHKERRQ(ierr); 25*c4762a1bSJed Brown ierr = MatAssemblyBegin(A, MAT_FINAL_ASSEMBLY);CHKERRQ(ierr); 26*c4762a1bSJed Brown ierr = MatAssemblyEnd(A, MAT_FINAL_ASSEMBLY);CHKERRQ(ierr); 27*c4762a1bSJed Brown ierr = MatView(A,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr); 28*c4762a1bSJed Brown 29*c4762a1bSJed Brown ierr = MatCreateRedundantMatrix(A, size, MPI_COMM_NULL, MAT_INITIAL_MATRIX, &B);CHKERRQ(ierr); 30*c4762a1bSJed Brown if (!rank) { 31*c4762a1bSJed Brown ierr = MatView(B,PETSC_VIEWER_STDOUT_SELF);CHKERRQ(ierr); 32*c4762a1bSJed Brown } 33*c4762a1bSJed Brown 34*c4762a1bSJed Brown ierr = MatDestroy(&A);CHKERRQ(ierr); 35*c4762a1bSJed Brown ierr = MatDestroy(&B);CHKERRQ(ierr); 36*c4762a1bSJed Brown ierr = VecDestroy(&diag);CHKERRQ(ierr); 37*c4762a1bSJed Brown ierr = PetscFinalize(); 38*c4762a1bSJed Brown return ierr; 39*c4762a1bSJed Brown } 40*c4762a1bSJed Brown 41*c4762a1bSJed Brown 42*c4762a1bSJed Brown /*TEST 43*c4762a1bSJed Brown 44*c4762a1bSJed Brown test: 45*c4762a1bSJed Brown 46*c4762a1bSJed Brown test: 47*c4762a1bSJed Brown suffix: 2 48*c4762a1bSJed Brown nsize: 3 49*c4762a1bSJed Brown 50*c4762a1bSJed Brown TEST*/ 51