164   const PetscInt    *idxr, *idxc, *it;  in MatCreateSubMatrices_Htool()  local
176     PetscCall(ISGetIndices(icol[i], &idxc));  in MatCreateSubMatrices_Htool()
201 …            a->wrapper->copy_submatrix(nrow, m, idxr, idxc, ptr); /* vertical block B from above */  in MatCreateSubMatrices_Htool()
218                       a->wrapper->copy_submatrix(m, 1, idxr, idxc + m + k, ptr + (m + k) * nrow);  in MatCreateSubMatrices_Htool()
223 …->copy_submatrix(nrow, std::distance(it + A->rmap->n, idxr + nrow), idxr, idxc + m + A->rmap->n, p…  in MatCreateSubMatrices_Htool()
240 …ubmatrix(std::distance(it + A->rmap->n, idxr + nrow), 1, it + A->rmap->n, idxc + m + k, ptr + (m +…  in MatCreateSubMatrices_Htool()
250     if (!flg) a->wrapper->copy_submatrix(nrow, m, idxr, idxc, ptr); /* reassemble everything */  in MatCreateSubMatrices_Htool()
252     PetscCall(ISRestoreIndices(icol[i], &idxc));  in MatCreateSubMatrices_Htool()
349   PetscInt    *idxc;  in MatGetRow_Htool()  local
357     PetscCall(PetscMalloc1(A->cmap->N, &idxc));  in MatGetRow_Htool()
358     for (PetscInt i = 0; i < A->cmap->N; ++i) idxc[i] = i;  in MatGetRow_Htool()
360   if (idx) *idx = idxc;  in MatGetRow_Htool()
363     if (a->wrapper) a->wrapper->copy_submatrix(1, A->cmap->N, &row, idxc, *v);  in MatGetRow_Htool()
364 …ool::VirtualGenerator<PetscScalar> *>(a->kernelctx)->copy_submatrix(1, A->cmap->N, &row, idxc, *v);  in MatGetRow_Htool()
369   if (!idx) PetscCall(PetscFree(idxc));  in MatGetRow_Htool()