350     IS  *is_row, *is_col;  in MatTranspose_Nest()  local
353     PetscCall(PetscMalloc2(nr, &is_row, nc, &is_col));  in MatTranspose_Nest()
354     PetscCall(MatNestGetISs(A, is_row, is_col));  in MatTranspose_Nest()
361     PetscCall(MatCreateNest(PetscObjectComm((PetscObject)A), nc, is_col, nr, is_row, subs, &C));  in MatTranspose_Nest()
363     PetscCall(PetscFree2(is_row, is_col));  in MatTranspose_Nest()
1362 static PetscErrorCode MatNestSetSubMats_Nest(Mat A, PetscInt nr, const IS is_row[], PetscInt nc, co…  in MatNestSetSubMats_Nest()  argument
1408   PetscCall(MatSetUp_NestIS_Private(A, nr, is_row, nc, is_col));  in MatNestSetSubMats_Nest()
1479 PetscErrorCode MatNestSetSubMats(Mat A, PetscInt nr, const IS is_row[], PetscInt nc, const IS is_co…  in MatNestSetSubMats()  argument
1485   if (nr && is_row) {  in MatNestSetSubMats()
1486     PetscAssertPointer(is_row, 3);  in MatNestSetSubMats()
1487     for (PetscInt i = 0; i < nr; i++) PetscValidHeaderSpecific(is_row[i], IS_CLASSID, 3);  in MatNestSetSubMats()
1495 …", (Mat, PetscInt, const IS[], PetscInt, const IS[], const Mat[]), (A, nr, is_row, nc, is_col, a));  in MatNestSetSubMats()
1601 static PetscErrorCode MatSetUp_NestIS_Private(Mat A, PetscInt nr, const IS is_row[], PetscInt nc, c…  in MatSetUp_NestIS_Private()  argument
1610   if (is_row) { /* valid IS is passed in */  in MatSetUp_NestIS_Private()
1613       PetscCall(PetscObjectReference((PetscObject)is_row[i]));  in MatSetUp_NestIS_Private()
1614       vs->isglobal.row[i] = is_row[i];  in MatSetUp_NestIS_Private()
1774 PetscErrorCode MatCreateNest(MPI_Comm comm, PetscInt nr, const IS is_row[], PetscInt nc, const IS i…  in MatCreateNest()  argument
1780   PetscCall(MatNestSetSubMats(*B, nr, is_row, nc, is_col, a));  in MatCreateNest()