318   Mat             conn, CSR;  in DMPlexCreatePartitionerGraph_ViaMat()  local
393   PetscCall(MatCreate(PetscObjectComm((PetscObject)dm), &conn));  in DMPlexCreatePartitionerGraph_ViaMat()
394   PetscCall(MatSetSizes(conn, floc, cloc, M, N));  in DMPlexCreatePartitionerGraph_ViaMat()
395   PetscCall(MatSetType(conn, MATMPIAIJ));  in DMPlexCreatePartitionerGraph_ViaMat()
398   PetscCall(MatMPIAIJSetPreallocation(conn, m, NULL, m, NULL));  in DMPlexCreatePartitionerGraph_ViaMat()
416       PetscCall(MatSetValues(conn, 1, &row, 1, &col, &v, INSERT_VALUES));  in DMPlexCreatePartitionerGraph_ViaMat()
425         PetscCall(MatSetValues(conn, 1, &row, 1, &col, &v, INSERT_VALUES));  in DMPlexCreatePartitionerGraph_ViaMat()
433   PetscCall(MatAssemblyBegin(conn, MAT_FINAL_ASSEMBLY));  in DMPlexCreatePartitionerGraph_ViaMat()
434   PetscCall(MatAssemblyEnd(conn, MAT_FINAL_ASSEMBLY));  in DMPlexCreatePartitionerGraph_ViaMat()
437   PetscCall(MatTransposeMatMult(conn, conn, MAT_INITIAL_MATRIX, PETSC_DETERMINE, &CSR));  in DMPlexCreatePartitionerGraph_ViaMat()
438   PetscCall(MatDestroy(&conn));  in DMPlexCreatePartitionerGraph_ViaMat()
441   PetscCall(MatMPIAIJGetLocalMat(CSR, MAT_INITIAL_MATRIX, &conn));  in DMPlexCreatePartitionerGraph_ViaMat()
443   PetscCall(MatGetRowIJ(conn, 0, PETSC_FALSE, PETSC_FALSE, &m, &ii, &jj, &flg));  in DMPlexCreatePartitionerGraph_ViaMat()
471   PetscCall(MatRestoreRowIJ(conn, 0, PETSC_FALSE, PETSC_FALSE, &m, &ii, &jj, &flg));  in DMPlexCreatePartitionerGraph_ViaMat()
473   PetscCall(MatDestroy(&conn));  in DMPlexCreatePartitionerGraph_ViaMat()