1*c4762a1bSJed Brown 2*c4762a1bSJed Brown static char help[] = "Test saving SeqSBAIJ matrix that is missing diagonal entries."; 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,i,j,val = 10,row[2],col[3],rstart; 10*c4762a1bSJed Brown PetscErrorCode ierr; 11*c4762a1bSJed Brown PetscMPIInt size; 12*c4762a1bSJed Brown PetscScalar x[6][9]; 13*c4762a1bSJed Brown 14*c4762a1bSJed Brown ierr = PetscInitialize(&argc,&args,(char*)0,help);if (ierr) return ierr; 15*c4762a1bSJed Brown ierr = MPI_Comm_size(PETSC_COMM_WORLD,&size);CHKERRQ(ierr); 16*c4762a1bSJed Brown if (size > 1) SETERRQ(PETSC_COMM_WORLD,PETSC_ERR_SUP,"Test is only for seqeuntial"); 17*c4762a1bSJed Brown ierr = MatCreateSeqSBAIJ(PETSC_COMM_SELF,bs,m*bs,m*bs,1,NULL,&A);CHKERRQ(ierr); 18*c4762a1bSJed Brown ierr = MatSetOption(A,MAT_IGNORE_LOWER_TRIANGULAR,PETSC_TRUE);CHKERRQ(ierr); 19*c4762a1bSJed Brown rstart = 0; 20*c4762a1bSJed Brown 21*c4762a1bSJed Brown row[0] =rstart+0; row[1] =rstart+2; 22*c4762a1bSJed Brown col[0] =rstart+0; col[1] =rstart+1; col[2] =rstart+3; 23*c4762a1bSJed Brown for (i=0; i<6; i++) { 24*c4762a1bSJed Brown for (j =0; j< 9; j++) x[i][j] = (PetscScalar)val++; 25*c4762a1bSJed Brown } 26*c4762a1bSJed Brown ierr = MatSetValuesBlocked(A,2,row,3,col,&x[0][0],INSERT_VALUES);CHKERRQ(ierr); 27*c4762a1bSJed Brown ierr = MatAssemblyBegin(A,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr); 28*c4762a1bSJed Brown ierr = MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr); 29*c4762a1bSJed Brown ierr = MatView(A,PETSC_VIEWER_BINARY_WORLD);CHKERRQ(ierr); 30*c4762a1bSJed Brown 31*c4762a1bSJed Brown ierr = MatDestroy(&A);CHKERRQ(ierr); 32*c4762a1bSJed Brown ierr = PetscFinalize(); 33*c4762a1bSJed Brown return ierr; 34*c4762a1bSJed Brown } 35