645 int CeedOperatorIsImmutable(CeedOperator op, bool *is_immutable) {  in CeedOperatorIsImmutable()  argument
646   *is_immutable = op->is_immutable;  in CeedOperatorIsImmutable()
929   bool               is_input = true, is_at_points, is_composite, is_immutable;  in CeedOperatorSetField()  local
937   CeedCall(CeedOperatorIsImmutable(op, &is_immutable));  in CeedOperatorSetField()
939 …CeedCheck(!is_immutable, CeedOperatorReturnCeed(op), CEED_ERROR_MAJOR, "Operator cannot be changed…  in CeedOperatorSetField()
1080   bool is_at_points, is_immutable;  in CeedOperatorAtPointsSetPoints()  local
1083   CeedCall(CeedOperatorIsImmutable(op, &is_immutable));  in CeedOperatorAtPointsSetPoints()
1085 …CeedCheck(!is_immutable, CeedOperatorReturnCeed(op), CEED_ERROR_MAJOR, "Operator cannot be changed…  in CeedOperatorAtPointsSetPoints()
1292   bool is_immutable;  in CeedOperatorCompositeAddSub()  local
1297   CeedCall(CeedOperatorIsImmutable(composite_op, &is_immutable));  in CeedOperatorCompositeAddSub()
1298 …CeedCheck(!is_immutable, CeedOperatorReturnCeed(composite_op), CEED_ERROR_MAJOR, "Operator cannot …  in CeedOperatorCompositeAddSub()