1*c4762a1bSJed Brown 2*c4762a1bSJed Brown static char help[] = "Tests MatMPIBAIJ format in sequential run \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 PetscInt i,rstart,rend; 9*c4762a1bSJed Brown PetscMPIInt rank,size; 10*c4762a1bSJed Brown PetscErrorCode ierr; 11*c4762a1bSJed Brown PetscScalar v; 12*c4762a1bSJed Brown 13*c4762a1bSJed Brown ierr = PetscInitialize(&argc,&args,(char*)0,help);if (ierr) return ierr; 14*c4762a1bSJed Brown ierr = MPI_Comm_rank(PETSC_COMM_WORLD,&rank);CHKERRQ(ierr); 15*c4762a1bSJed Brown ierr = MPI_Comm_size(PETSC_COMM_WORLD,&size);CHKERRQ(ierr); 16*c4762a1bSJed Brown 17*c4762a1bSJed Brown /* Create a MPIBAIJ matrix */ 18*c4762a1bSJed Brown ierr = MatCreate(PETSC_COMM_WORLD,&A);CHKERRQ(ierr); 19*c4762a1bSJed Brown ierr = MatSetSizes(A,PETSC_DECIDE,PETSC_DECIDE,32,32);CHKERRQ(ierr); 20*c4762a1bSJed Brown ierr = MatSetType(A,MATMPIBAIJ);CHKERRQ(ierr); 21*c4762a1bSJed Brown ierr = MatSeqBAIJSetPreallocation(A,2,2,NULL);CHKERRQ(ierr); 22*c4762a1bSJed Brown ierr = MatMPIBAIJSetPreallocation(A,2,2,NULL,2,NULL);CHKERRQ(ierr); 23*c4762a1bSJed Brown 24*c4762a1bSJed Brown v = 1.0; 25*c4762a1bSJed Brown ierr = MatGetOwnershipRange(A,&rstart,&rend);CHKERRQ(ierr); 26*c4762a1bSJed Brown for (i=rstart; i<rend; i++) { 27*c4762a1bSJed Brown ierr = MatSetValues(A,1,&i,1,&i,&v,INSERT_VALUES);CHKERRQ(ierr); 28*c4762a1bSJed Brown } 29*c4762a1bSJed Brown ierr = MatAssemblyBegin(A,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr); 30*c4762a1bSJed Brown ierr = MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr); 31*c4762a1bSJed Brown 32*c4762a1bSJed Brown /* Convert A to AIJ format */ 33*c4762a1bSJed Brown ierr = MatConvert(A,MATAIJ,MAT_INITIAL_MATRIX,&B);CHKERRQ(ierr); 34*c4762a1bSJed Brown 35*c4762a1bSJed Brown ierr = MatDestroy(&A);CHKERRQ(ierr); 36*c4762a1bSJed Brown ierr = MatDestroy(&B);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 output_file: output/ex160.out 46*c4762a1bSJed Brown 47*c4762a1bSJed Brown TEST*/ 48