- constant(const std::string & initname, evalffunctype efun = 0, const std::string & texname = std::string());
- constant(const std::string & initname, const numeric & initnumber, const std::string & texname = std::string());
+ constant(const std::string & initname, evalffunctype efun = 0, const std::string & texname = std::string(), unsigned domain = domain::complex);
+ constant(const std::string & initname, const numeric & initnumber, const std::string & texname = std::string(), unsigned domain = domain::complex);