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 …tSubMats_Nest(Mat A, PetscInt nr, const IS is_row[], PetscInt nc, const IS is_col[], const Mat a[])  in MatNestSetSubMats_Nest()  argument
1408   PetscCall(MatSetUp_NestIS_Private(A, nr, is_row, nc, is_col));  in MatNestSetSubMats_Nest()
1479 …tSetSubMats(Mat A, PetscInt nr, const IS is_row[], PetscInt nc, const IS is_col[], const Mat a[]) …  in MatNestSetSubMats()  argument
1491   if (nc && is_col) {  in MatNestSetSubMats()
1492     PetscAssertPointer(is_col, 5);  in MatNestSetSubMats()
1493     for (PetscInt i = 0; i < nc; i++) PetscValidHeaderSpecific(is_col[i], IS_CLASSID, 5);  in MatNestSetSubMats()
1495 …", (Mat, PetscInt, const IS[], PetscInt, const IS[], const Mat[]), (A, nr, is_row, nc, is_col, a));  in MatNestSetSubMats()
1601 …Code MatSetUp_NestIS_Private(Mat A, PetscInt nr, const IS is_row[], PetscInt nc, const IS is_col[])  in MatSetUp_NestIS_Private()  argument
1637   if (is_col) { /* valid IS is passed in */  in MatSetUp_NestIS_Private()
1640       PetscCall(PetscObjectReference((PetscObject)is_col[j]));  in MatSetUp_NestIS_Private()
1641       vs->isglobal.col[j] = is_col[j];  in MatSetUp_NestIS_Private()
1774 …est(MPI_Comm comm, PetscInt nr, const IS is_row[], PetscInt nc, const IS is_col[], const Mat a[], …  in MatCreateNest()  argument
1780   PetscCall(MatNestSetSubMats(*B, nr, is_row, nc, is_col, a));  in MatCreateNest()