249 static PetscErrorCode MatZeroRowsColumns_Local_Shell(Mat mat, PetscInt nr, PetscInt rows[], PetscIn…  in MatZeroRowsColumns_Local_Shell()  argument
265   PetscCall(PetscMalloc1(nr, &idxs));  in MatZeroRowsColumns_Local_Shell()
266   for (i = 0; i < nr; i++) idxs[i] = rows[i] + rst;  in MatZeroRowsColumns_Local_Shell()
267   PetscCall(ISCreateGeneral(PetscObjectComm((PetscObject)mat), nr, idxs, PETSC_OWN_POINTER, &is1));  in MatZeroRowsColumns_Local_Shell()
287   PetscCall(ISGetLocalSize(shell->zrows, &nr));  in MatZeroRowsColumns_Local_Shell()
288   PetscCall(PetscMalloc1(nr, &gidxs));  in MatZeroRowsColumns_Local_Shell()
289   for (i = 0, cum = 0; i < nr; i++) {  in MatZeroRowsColumns_Local_Shell()
319   PetscInt   nr, *lrows;  in MatZeroRows_Shell()  local
355   PetscCall(PetscLayoutMapLocal(mat->rmap, n, rows, &nr, &lrows, NULL));  in MatZeroRows_Shell()
356   PetscCall(MatZeroRowsColumns_Local_Shell(mat, nr, lrows, 0, NULL, diag, PETSC_FALSE));  in MatZeroRows_Shell()
366   PetscInt   nr, nc;  in MatZeroRowsColumns_Shell()  local
376     for (i = 0, nr = 0; i < n; i++)  in MatZeroRowsColumns_Shell()
377       if (rowscols[i] < mat->rmap->N) grows[nr++] = rowscols[i];  in MatZeroRowsColumns_Shell()
389     PetscCall(VecSetValues(bt, nr, grows, vals, INSERT_VALUES)); /* bt = [-A12*x2,0] */  in MatZeroRowsColumns_Shell()
393     PetscCall(VecSetValues(bt, nr, grows, vals, INSERT_VALUES)); /* b  = [b1 - A12*x2, 0] */  in MatZeroRowsColumns_Shell()
414   PetscCall(PetscLayoutMapLocal(mat->rmap, n, rowscols, &nr, &lrows, NULL));  in MatZeroRowsColumns_Shell()
417     nc    = nr;  in MatZeroRowsColumns_Shell()
428   PetscCall(MatZeroRowsColumns_Local_Shell(mat, nr, lrows, nc, lcols, diag, PETSC_TRUE));  in MatZeroRowsColumns_Shell()