return ret_val;
}
+bool RealRangeListConstraint::is_upper_limit_infinity () const
+{
+ return rlc.is_upper_limit_infinity();
+}
+
+bool RealRangeListConstraint::is_lower_limit_infinity () const
+{
+ return rlc.is_lower_limit_infinity();
+}
+
////////////////////////////////////////////////////////////////////////////////
string BooleanListConstraint::to_string() const