X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Fncmul.h;h=46a7aae1bd101da1f86cab802e0bb4d4bb6a9364;hp=de48b59e58d98d02dd80291dd5dfaafdcd024091;hb=8dc09f48182574d792a2ed7c37b66831d9267a6c;hpb=afdd7fa8c6c0a587f7c80789198551383e8beb7b diff --git a/ginac/ncmul.h b/ginac/ncmul.h index de48b59e..46a7aae1 100644 --- a/ginac/ncmul.h +++ b/ginac/ncmul.h @@ -3,7 +3,7 @@ * Interface to GiNaC's non-commutative products of expressions. */ /* - * GiNaC Copyright (C) 1999 Johannes Gutenberg University Mainz, Germany + * GiNaC Copyright (C) 1999-2004 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 @@ -23,101 +23,81 @@ #ifndef __GINAC_NCMUL_H__ #define __GINAC_NCMUL_H__ -#include +#include "exprseq.h" -#ifndef NO_GINAC_NAMESPACE namespace GiNaC { -#endif // ndef NO_GINAC_NAMESPACE /** Non-commutative product of expressions. */ class ncmul : public exprseq { - friend class power; - friend ex nonsimplified_ncmul(exvector const & v); - friend ex simplified_ncmul(exvector const & v); + GINAC_DECLARE_REGISTERED_CLASS(ncmul, exprseq) -// member functions + friend class power; + friend ex reeval_ncmul(const exvector & v); + friend ex hold_ncmul(const exvector & v); - // default constructor, destructor, copy constructor assignment operator and helpers -public: - ncmul(); - ~ncmul(); - ncmul(ncmul const & other); - ncmul const & operator=(ncmul const & other); -protected: - void copy(ncmul const & other); - void destroy(bool call_parent); +// member functions - // other constructors + // other constructors public: - ncmul(ex const & lh, ex const & rh); - ncmul(ex const & f1, ex const & f2, ex const & f3); - ncmul(ex const & f1, ex const & f2, ex const & f3, - ex const & f4); - ncmul(ex const & f1, ex const & f2, ex const & f3, - ex const & f4, ex const & f5); - ncmul(ex const & f1, ex const & f2, ex const & f3, - ex const & f4, ex const & f5, ex const & f6); - ncmul(exvector const & v, bool discardable=false); - ncmul(exvector * vp); // vp will be deleted - - // functions overriding virtual functions from bases classes + ncmul(const ex & lh, const ex & rh); + ncmul(const ex & f1, const ex & f2, const ex & f3); + ncmul(const ex & f1, const ex & f2, const ex & f3, + const ex & f4); + ncmul(const ex & f1, const ex & f2, const ex & f3, + const ex & f4, const ex & f5); + ncmul(const ex & f1, const ex & f2, const ex & f3, + const ex & f4, const ex & f5, const ex & f6); + ncmul(const exvector & v, bool discardable=false); + ncmul(std::auto_ptr vp); + + // functions overriding virtual functions from base classes public: - basic * duplicate() const; - void printraw(ostream & os) const; - void print(ostream & os, unsigned upper_precedence) const; - void printcsrc(ostream & os, unsigned upper_precedence) const; - bool info(unsigned inf) const; - int degree(symbol const & s) const; - int ldegree(symbol const & s) const; - ex expand(unsigned options=0) const; - ex coeff(symbol const & s, int const n=1) const; - ex eval(int level=0) const; - ex diff(symbol const & s) const; - ex subs(lst const & ls, lst const & lr) const; - exvector get_indices(void) const; - ex thisexprseq(exvector const & v) const; - ex thisexprseq(exvector * vp) const; + unsigned precedence() const {return 50;} + bool info(unsigned inf) const; + int degree(const ex & s) const; + int ldegree(const ex & s) const; + ex expand(unsigned options=0) const; + ex coeff(const ex & s, int n=1) const; + ex eval(int level=0) const; + ex evalm() const; + exvector get_free_indices() const; + ex thiscontainer(const exvector & v) const; + ex thiscontainer(std::auto_ptr vp) const; + ex conjugate() const; + protected: - int compare_same_type(basic const & other) const; - unsigned return_type(void) const; - unsigned return_type_tinfo(void) const; - - // new virtual functions which can be overridden by derived classes - // none - - // non-virtual functions in this class + ex derivative(const symbol & s) const; + unsigned return_type() const; + unsigned return_type_tinfo() const; + + // new virtual functions which can be overridden by derived classes + // none + + // non-virtual functions in this class protected: - unsigned count_factors(ex const & e) const; - void append_factors(exvector & v, ex const & e) const; - exvector expandchildren(unsigned options) const; + void do_print(const print_context & c, unsigned level) const; + void do_print_csrc(const print_context & c, unsigned level) const; + size_t count_factors(const ex & e) const; + void append_factors(exvector & v, const ex & e) const; + exvector expandchildren(unsigned options) const; public: - exvector const & get_factors(void) const; - -// member variables - -protected: - static unsigned precedence; + const exvector & get_factors() const; }; -// global constants - -extern const ncmul some_ncmul; -extern type_info const & typeid_ncmul; - // friend funtions -ex nonsimplified_ncmul(exvector const & v); -ex simplified_ncmul(exvector const & v); +ex reeval_ncmul(const exvector & v); +ex hold_ncmul(const exvector & v); // utility functions -inline const ncmul &ex_to_ncmul(const ex &e) + +/** Specialization of is_exactly_a(obj) for ncmul objects. */ +template<> inline bool is_exactly_a(const basic & obj) { - return static_cast (*e.bp); + return obj.tinfo()==TINFO_ncmul; } -#ifndef NO_GINAC_NAMESPACE } // namespace GiNaC -#endif // ndef NO_GINAC_NAMESPACE #endif // ndef __GINAC_NCMUL_H__