X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Fconstant.h;h=fc39375585674dc695c2f32f6231b7e80d0d21b2;hp=d099378fe92aee0fe20231d618358c76c208a6ec;hb=c28e61da33905ddc69abf893aaffec98aa30d053;hpb=bd2d7351b89743eb68ce7d3bfa7ab62c331f9522 diff --git a/ginac/constant.h b/ginac/constant.h index d099378f..fc393755 100644 --- a/ginac/constant.h +++ b/ginac/constant.h @@ -3,7 +3,7 @@ * Interface to GiNaC's constant types and some special constants. */ /* - * GiNaC Copyright (C) 1999-2000 Johannes Gutenberg University Mainz, Germany + * GiNaC Copyright (C) 1999-2010 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 @@ -17,87 +17,72 @@ * * 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__ -#define __GINAC_CONSTANT_H__ +#ifndef GINAC_CONSTANT_H +#define GINAC_CONSTANT_H -#include #include "basic.h" +#include "ex.h" +#include "archive.h" + +#include -#ifndef NO_NAMESPACE_GINAC namespace GiNaC { -#endif // ndef NO_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 * to class numeric or provide the constant as a numeric (if it's an exact * number). */ class constant : public basic { - GINAC_DECLARE_REGISTERED_CLASS(constant, basic) - -// member functions - - // default constructor, destructor, copy constructor assignment operator and helpers -public: - constant(); - ~constant(); - constant(const constant & other); - // const constant & operator=(const constant & other); /* it's pervert! */ -protected: - void copy(const constant & other); - void destroy(bool call_parent); - - // other constructors + GINAC_DECLARE_REGISTERED_CLASS(constant, basic) + // other constructors public: - constant(const std::string & initname, evalffunctype efun=0); - constant(const std::string & initname, const numeric & initnumber); - - // functions overriding virtual functions from bases classes + 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: - basic * duplicate() const; - void print(std::ostream & os, unsigned upper_precedence=0) const; - void printraw(std::ostream & os) const; - void printtree(std::ostream & os, unsigned indent) const; - void printcsrc(std::ostream & os, unsigned type, unsigned upper_precedence=0) const; - ex evalf(int level=0) const; + 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; + void archive(archive_node& n) const; + void read_archive(const archive_node& n, lst& syms); protected: - ex derivative(const symbol & s) const; - int compare_same_type(const basic & other) const; - bool is_equal_same_type(const basic & other) const; - - // new virtual functions which can be overridden by derived classes - // none - - // non-virtual functions in this class - // none + ex derivative(const symbol & s) const; + bool is_equal_same_type(const basic & other) const; + unsigned calchash() const; + + // non-virtual functions in this class +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; - evalffunctype ef; - numeric * number; - // bool fct_assigned; - unsigned serial; //!< unique serial number for comparision - static unsigned next_serial; + std::string name; ///< printname of this constant + std::string TeX_name; ///< LaTeX name + evalffunctype ef; + 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 }; - -// global constants - -extern const constant some_constant; -extern const type_info & typeid_constant; +GINAC_DECLARE_UNARCHIVER(constant); extern const constant Pi; extern const constant Catalan; extern const constant Euler; -#ifndef NO_NAMESPACE_GINAC } // namespace GiNaC -#endif // ndef NO_NAMESPACE_GINAC -#endif // ndef __GINAC_CONSTANT_H__ +#endif // ndef GINAC_CONSTANT_H