static char help[] = "Tests MatCreateMPISBAIJWithArrays().\n\n"; #include int main(int argc,char **args) { Mat A; PetscErrorCode ierr; PetscInt m = 4, bs = 1,ii[5],jj[7]; PetscMPIInt size,rank; PetscScalar aa[7]; ierr = PetscInitialize(&argc,&args,(char*)0,help);if (ierr) return ierr; ierr = MPI_Comm_size(PETSC_COMM_WORLD,&size);CHKERRMPI(ierr); ierr = MPI_Comm_rank(PETSC_COMM_WORLD,&rank);CHKERRMPI(ierr); if (size != 2) SETERRQ(PETSC_COMM_WORLD,PETSC_ERR_SUP,"Only for two processes"); if (rank == 0) { ii[0] = 0; ii[1] = 2; ii[2] = 5; ii[3] = 7; ii[4] = 7; jj[0] = 0; jj[1] = 1; jj[2] = 1; jj[3] = 2; jj[4] = 6; jj[5] = 3; jj[6] = 7; aa[0] = 0; aa[1] = 1; aa[2] = 2; aa[3] = 3; aa[4] = 4; aa[5] = 5; aa[6] = 6; /* 0 1 1 2 6 3 7 */ } else { ii[0] = 0; ii[1] = 2; ii[2] = 4; ii[3] = 6; ii[4] = 7; jj[0] = 4; jj[1] = 5; jj[2] = 5; jj[3] = 7; jj[4] = 6; jj[5] = 7; jj[6] = 7; aa[0] = 8; aa[1] = 9; aa[2] = 10; aa[3] = 11; aa[4] = 12; aa[5] = 13; aa[6] = 14; /* 4 5 5 7 6 7 7 */ } ierr = MatCreateMPISBAIJWithArrays(PETSC_COMM_WORLD,bs,m,m,PETSC_DECIDE,PETSC_DECIDE,ii,jj,aa,&A);CHKERRQ(ierr); ierr = MatView(A,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr); ierr = MatDestroy(&A);CHKERRQ(ierr); ierr = PetscFinalize(); return ierr; } /*TEST test: nsize: 2 TEST*/