1*c4762a1bSJed Brown 2*c4762a1bSJed Brown static char help[] = "Test the use of MatSetValuesBlocked(), MatZeroRows() for rectangular MatBAIJ matrix, test MatSetValuesBlocked() for MatSBAIJ matrix (-test_mat_sbaij)."; 3*c4762a1bSJed Brown 4*c4762a1bSJed Brown #include <petscmat.h> 5*c4762a1bSJed Brown 6*c4762a1bSJed Brown int main(int argc,char **args) 7*c4762a1bSJed Brown { 8*c4762a1bSJed Brown Mat A; 9*c4762a1bSJed Brown PetscInt bs=3,m=4,n=6,i,j,val = 10,row[2],col[3],eval,rstart; 10*c4762a1bSJed Brown PetscErrorCode ierr; 11*c4762a1bSJed Brown PetscMPIInt size,rank; 12*c4762a1bSJed Brown PetscScalar x[6][9],y[3][3],one=1.0; 13*c4762a1bSJed Brown PetscBool flg,testsbaij=PETSC_FALSE; 14*c4762a1bSJed Brown 15*c4762a1bSJed Brown ierr = PetscInitialize(&argc,&args,(char*)0,help);if (ierr) return ierr; 16*c4762a1bSJed Brown ierr = MPI_Comm_size(PETSC_COMM_WORLD,&size);CHKERRQ(ierr); 17*c4762a1bSJed Brown ierr = MPI_Comm_rank(PETSC_COMM_WORLD,&rank);CHKERRQ(ierr); 18*c4762a1bSJed Brown 19*c4762a1bSJed Brown ierr = PetscOptionsHasName(NULL,NULL,"-test_mat_sbaij",&testsbaij);CHKERRQ(ierr); 20*c4762a1bSJed Brown 21*c4762a1bSJed Brown if (testsbaij) { 22*c4762a1bSJed Brown ierr = MatCreateSBAIJ(PETSC_COMM_WORLD,bs,m*bs,n*bs,PETSC_DECIDE,PETSC_DECIDE,1,NULL,1,NULL,&A);CHKERRQ(ierr); 23*c4762a1bSJed Brown } else { 24*c4762a1bSJed Brown ierr = MatCreateBAIJ(PETSC_COMM_WORLD,bs,m*bs,n*bs,PETSC_DECIDE,PETSC_DECIDE,1,NULL,1,NULL,&A);CHKERRQ(ierr); 25*c4762a1bSJed Brown } 26*c4762a1bSJed Brown ierr = MatSetOption(A,MAT_NEW_NONZERO_ALLOCATION_ERR,PETSC_FALSE);CHKERRQ(ierr); 27*c4762a1bSJed Brown eval = 9; 28*c4762a1bSJed Brown 29*c4762a1bSJed Brown ierr = PetscOptionsHasName(NULL,NULL,"-ass_extern",&flg);CHKERRQ(ierr); 30*c4762a1bSJed Brown if (flg && (size != 1)) rstart = m*((rank+1)%size); 31*c4762a1bSJed Brown else rstart = m*(rank); 32*c4762a1bSJed Brown 33*c4762a1bSJed Brown row[0] =rstart+0; row[1] =rstart+2; 34*c4762a1bSJed Brown col[0] =rstart+0; col[1] =rstart+1; col[2] =rstart+3; 35*c4762a1bSJed Brown for (i=0; i<6; i++) { 36*c4762a1bSJed Brown for (j =0; j< 9; j++) x[i][j] = (PetscScalar)val++; 37*c4762a1bSJed Brown } 38*c4762a1bSJed Brown 39*c4762a1bSJed Brown ierr = MatSetValuesBlocked(A,2,row,3,col,&x[0][0],INSERT_VALUES);CHKERRQ(ierr); 40*c4762a1bSJed Brown 41*c4762a1bSJed Brown 42*c4762a1bSJed Brown 43*c4762a1bSJed Brown ierr = MatAssemblyBegin(A,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr); 44*c4762a1bSJed Brown ierr = MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr); 45*c4762a1bSJed Brown 46*c4762a1bSJed Brown /* 47*c4762a1bSJed Brown This option does not work for rectangular matrices 48*c4762a1bSJed Brown ierr = MatSetOption(A,MAT_NEW_NONZERO_LOCATION_ERR,PETSC_TRUE);CHKERRQ(ierr); 49*c4762a1bSJed Brown */ 50*c4762a1bSJed Brown 51*c4762a1bSJed Brown ierr = MatSetValuesBlocked(A,2,row,3,col,&x[0][0],INSERT_VALUES);CHKERRQ(ierr); 52*c4762a1bSJed Brown 53*c4762a1bSJed Brown /* Do another MatSetValues to test the case when only one local block is specified */ 54*c4762a1bSJed Brown for (i=0; i<3; i++) { 55*c4762a1bSJed Brown for (j =0; j<3; j++) y[i][j] = (PetscScalar)(10 + i*eval + j); 56*c4762a1bSJed Brown } 57*c4762a1bSJed Brown ierr = MatSetValuesBlocked(A,1,row,1,col,&y[0][0],INSERT_VALUES);CHKERRQ(ierr); 58*c4762a1bSJed Brown ierr = MatAssemblyBegin(A,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr); 59*c4762a1bSJed Brown ierr = MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr); 60*c4762a1bSJed Brown 61*c4762a1bSJed Brown 62*c4762a1bSJed Brown ierr = PetscOptionsHasName(NULL,NULL,"-zero_rows",&flg);CHKERRQ(ierr); 63*c4762a1bSJed Brown if (flg) { 64*c4762a1bSJed Brown col[0] = rstart*bs+0; 65*c4762a1bSJed Brown col[1] = rstart*bs+1; 66*c4762a1bSJed Brown col[2] = rstart*bs+2; 67*c4762a1bSJed Brown ierr = MatZeroRows(A,3,col,one,0,0);CHKERRQ(ierr); 68*c4762a1bSJed Brown } 69*c4762a1bSJed Brown 70*c4762a1bSJed Brown ierr = MatView(A,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr); 71*c4762a1bSJed Brown 72*c4762a1bSJed Brown ierr = MatDestroy(&A);CHKERRQ(ierr); 73*c4762a1bSJed Brown ierr = PetscFinalize(); 74*c4762a1bSJed Brown return ierr; 75*c4762a1bSJed Brown } 76*c4762a1bSJed Brown 77*c4762a1bSJed Brown 78*c4762a1bSJed Brown /*TEST 79*c4762a1bSJed Brown 80*c4762a1bSJed Brown test: 81*c4762a1bSJed Brown filter: grep -v "MPI processes" 82*c4762a1bSJed Brown 83*c4762a1bSJed Brown test: 84*c4762a1bSJed Brown suffix: 4 85*c4762a1bSJed Brown nsize: 3 86*c4762a1bSJed Brown args: -ass_extern 87*c4762a1bSJed Brown filter: grep -v "MPI processes" 88*c4762a1bSJed Brown 89*c4762a1bSJed Brown test: 90*c4762a1bSJed Brown suffix: 5 91*c4762a1bSJed Brown nsize: 3 92*c4762a1bSJed Brown args: -ass_extern -zero_rows 93*c4762a1bSJed Brown filter: grep -v "MPI processes" 94*c4762a1bSJed Brown 95*c4762a1bSJed Brown TEST*/ 96