* Interface to GiNaC's constant types and some special constants. */
/*
- * GiNaC Copyright (C) 1999-2003 Johannes Gutenberg University Mainz, Germany
+ * GiNaC Copyright (C) 1999-2008 Johannes Gutenberg University Mainz, Germany
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef __GINAC_CONSTANT_H__
// other constructors
public:
- 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);
// functions overriding virtual functions from base classes
public:
+ bool info(unsigned inf) const;
ex evalf(int level = 0) const;
+ bool is_polynomial(const ex & var) const;
+ ex conjugate() const;
+ ex real_part() const;
+ ex imag_part() const;
protected:
ex derivative(const symbol & s) const;
bool is_equal_same_type(const basic & other) const;
ex number; ///< numerical value this constant evalf()s to
unsigned serial; ///< unique serial number for comparison
static unsigned next_serial;
+ unsigned domain; ///< numerical value this constant evalf()s to
};
extern const constant Pi;
extern const constant Catalan;
extern const constant Euler;
-// utility functions
-
-/** Specialization of is_exactly_a<constant>(obj) for constant objects. */
-template<> inline bool is_exactly_a<constant>(const basic & obj)
-{
- return obj.tinfo()==TINFO_constant;
-}
-
} // namespace GiNaC
#endif // ndef __GINAC_CONSTANT_H__