X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Fmul.h;h=12e7e48d8809fa8fbc2daa303cbd9f32d73aa988;hp=1d9507117b3fe907740c433da1bb28bfb83f82b8;hb=0f7b8280ad89fa88a0cbaab7785a4b7cb06e6a63;hpb=4afb5bbe2c0b0a60928120a042997ba7d89e8f5c diff --git a/ginac/mul.h b/ginac/mul.h index 1d950711..12e7e48d 100644 --- a/ginac/mul.h +++ b/ginac/mul.h @@ -3,7 +3,7 @@ * Interface to GiNaC's products of expressions. */ /* - * GiNaC Copyright (C) 1999 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 @@ -23,106 +23,81 @@ #ifndef __GINAC_MUL_H__ #define __GINAC_MUL_H__ -#include +#include "expairseq.h" -#ifndef NO_GINAC_NAMESPACE namespace GiNaC { -#endif // ndef NO_GINAC_NAMESPACE /** Product of expressions. */ class mul : public expairseq { - friend class add; - friend class ncmul; - friend class power; - -// member functions - - // default constructor, destructor, copy constructor assignment operator and helpers + GINAC_DECLARE_REGISTERED_CLASS(mul, expairseq) + + friend class add; + friend class ncmul; + friend class power; + + // other constructors public: - mul(); - ~mul(); - mul(mul const & other); - mul const & operator=(mul const & other); -protected: - void copy(mul const & other); - void destroy(bool call_parent); - - // other constructors + mul(const ex & lh, const ex & rh); + mul(const exvector & v); + mul(const epvector & v); + mul(const epvector & v, const ex & oc); + mul(epvector * vp, const ex & oc); + mul(const ex & lh, const ex & mh, const ex & rh); + + // functions overriding virtual functions from base classes public: - mul(ex const & lh, ex const & rh); - mul(exvector const & v); - mul(epvector const & v); - //mul(epvector const & v, bool do_not_canonicalize=0); - mul(epvector const & v, ex const & oc); - mul(epvector * vp, ex const & oc); - mul(ex const & lh, ex const & mh, ex const & rh); - - // functions overriding virtual functions from bases classes -public: - basic * duplicate() const; - void print(ostream & os, unsigned upper_precedence) const; - void printraw(ostream & os) const; - void printcsrc(ostream & os, unsigned type, unsigned upper_precedence) const; - bool info(unsigned inf) const; - int degree(symbol const & s) const; - int ldegree(symbol const & s) const; - ex coeff(symbol const & s, int const n=1) const; - ex eval(int level=0) const; - ex diff(symbol const & s) const; - ex series(symbol const & s, ex const & point, int order) const; - ex normal(lst &sym_lst, lst &repl_lst, int level=0) const; - numeric integer_content(void) const; - ex smod(const numeric &xi) const; - numeric max_coefficient(void) const; - exvector get_indices(void) const; - ex simplify_ncmul(exvector const & v) const; -protected: - int compare_same_type(basic const & other) const; - bool is_equal_same_type(basic const & other) const; - unsigned return_type(void) const; - unsigned return_type_tinfo(void) const; - ex thisexpairseq(epvector const & v, ex const & oc) const; - ex thisexpairseq(epvector * vp, ex const & oc) const; - expair split_ex_to_pair(ex const & e) const; - expair combine_ex_with_coeff_to_pair(ex const & e, - ex const & c) const; - expair combine_pair_with_coeff_to_pair(expair const & p, - ex const & c) const; - ex recombine_pair_to_ex(expair const & p) const; - bool expair_needs_further_processing(epp it); - ex default_overall_coeff(void) const; - void combine_overall_coeff(ex const & c); - void combine_overall_coeff(ex const & c1, ex const & c2); - bool can_make_flat(expair const & p) const; - ex expand(unsigned options=0) const; - - // new virtual functions which can be overridden by derived classes - // none - - // non-virtual functions in this class + void print(const print_context & c, unsigned level = 0) const; + unsigned precedence() const {return 50;} + bool info(unsigned inf) const; + int degree(const ex & s) const; + int ldegree(const ex & s) const; + ex coeff(const ex & s, int n = 1) const; + ex eval(int level=0) const; + ex evalf(int level=0) const; + ex evalm() const; + ex series(const relational & s, int order, unsigned options = 0) const; + ex normal(exmap & repl, exmap & rev_lookup, int level = 0) const; + numeric integer_content() const; + ex smod(const numeric &xi) const; + numeric max_coefficient() const; + exvector get_free_indices() const; protected: - epvector * expandchildren(unsigned options) const; - -// member variables - + ex derivative(const symbol & s) const; + ex eval_ncmul(const exvector & v) const; + unsigned return_type() const; + unsigned return_type_tinfo() const; + ex thisexpairseq(const epvector & v, const ex & oc) const; + ex thisexpairseq(epvector * vp, const ex & oc) const; + expair split_ex_to_pair(const ex & e) const; + expair combine_ex_with_coeff_to_pair(const ex & e, const ex & c) const; + expair combine_pair_with_coeff_to_pair(const expair & p, const ex & c) const; + ex recombine_pair_to_ex(const expair & p) const; + bool expair_needs_further_processing(epp it); + ex default_overall_coeff() const; + void combine_overall_coeff(const ex & c); + void combine_overall_coeff(const ex & c1, const ex & c2); + bool can_make_flat(const expair & p) const; + ex expand(unsigned options=0) const; + + // new virtual functions which can be overridden by derived classes + // none + + // non-virtual functions in this class +public: + ex algebraic_subs_mul(const exmap & m, unsigned options) const; protected: - static unsigned precedence; + epvector * expandchildren(unsigned options) const; }; -// global constants - -extern const mul some_mul; -extern type_info const & typeid_mul; - // utility functions -inline const mul &ex_to_mul(const ex &e) + +/** Specialization of is_exactly_a(obj) for mul objects. */ +template<> inline bool is_exactly_a(const basic & obj) { - return static_cast(*e.bp); + return obj.tinfo()==TINFO_mul; } -#ifndef NO_GINAC_NAMESPACE } // namespace GiNaC -#endif // ndef NO_GINAC_NAMESPACE #endif // ndef __GINAC_MUL_H__