* Interface to GiNaC's constant types and some special constants. */
/*
- * GiNaC Copyright (C) 1999-2002 Johannes Gutenberg University Mainz, Germany
+ * GiNaC Copyright (C) 1999-2003 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
namespace GiNaC {
-typedef ex (*evalffunctype)(void);
+typedef ex (*evalffunctype)();
/** This class holds constants, symbols with specific numerical value. Each
* object of this class must either provide their own function to evaluate it
// member functions
- // other ctors
+ // 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());
// functions overriding virtual functions from base classes
public:
- void print(const print_context & c, unsigned level = 0) const;
ex evalf(int level = 0) const;
protected:
ex derivative(const symbol & s) const;
bool is_equal_same_type(const basic & other) const;
- unsigned calchash(void) const;
-
- // new virtual functions which can be overridden by derived classes
- // none
+ unsigned calchash() const;
// non-virtual functions in this class
- // none
-
+protected:
+ void do_print(const print_context & c, unsigned level) const;
+ void do_print_tree(const print_tree & c, unsigned level) const;
+ void do_print_latex(const print_latex & c, unsigned level) const;
+ void do_print_python_repr(const print_python_repr & c, unsigned level) const;
+
// member variables
-
private:
std::string name; ///< printname of this constant
std::string TeX_name; ///< LaTeX name
evalffunctype ef;
- numeric *number; ///< numerical value this constant evalf()s to
+ ex number; ///< numerical value this constant evalf()s to
unsigned serial; ///< unique serial number for comparison
static unsigned next_serial;
};