X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Fexpairseq.h;h=b6f9bc7e17fc1fbd7843738f5505a7e7b169fb05;hp=665daed8325b10d2d06d7fe9f0c3c9c8ca954173;hb=94155cc1f3da766086f4367457be50b20a7ff436;hpb=4e3a4ac2bcb0837611ea31bc8fc05d84a20c33ac diff --git a/ginac/expairseq.h b/ginac/expairseq.h index 665daed8..b6f9bc7e 100644 --- a/ginac/expairseq.h +++ b/ginac/expairseq.h @@ -3,7 +3,7 @@ * Interface to sequences of expression pairs. */ /* - * GiNaC Copyright (C) 1999-2001 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 @@ -44,7 +44,6 @@ namespace GiNaC { #define EXPAIRSEQ_USE_HASHTAB 0 typedef std::vector epvector; ///< expair-vector -typedef epvector::iterator epviter; ///< expair-vector iterator typedef epvector::iterator epp; ///< expair-vector pointer typedef std::list epplist; ///< list of expair-vector pointers typedef std::vector epplistvector; ///< vector of epplist @@ -60,61 +59,42 @@ typedef std::vector epplistvector; ///< vector of epplist * multiplication, which is the reason why there is this base class. */ class expairseq : public basic { - GINAC_DECLARE_REGISTERED_CLASS_NO_CTORS(expairseq, basic) + GINAC_DECLARE_REGISTERED_CLASS(expairseq, basic) -// member functions - - // default ctor, dtor, copy ctor assignment operator and helpers -public: - expairseq() : basic(TINFO_expairseq) -#if EXPAIRSEQ_USE_HASHTAB - , hashtabsize(0) -#endif // EXPAIRSEQ_USE_HASHTAB - { } - ~expairseq() { destroy(false); } - expairseq(const expairseq & other); - const expairseq & operator=(const expairseq & other); -protected: - void copy(const expairseq & other); - void destroy(bool call_parent); - // other ctors + // other constructors public: expairseq(const ex & lh, const ex & rh); expairseq(const exvector & v); expairseq(const epvector & v, const ex & oc); expairseq(epvector * vp, const ex & oc); // vp will be deleted - // functions overriding virtual functions from bases classes + // 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 print(const print_context & c, unsigned level = 0) const; + unsigned precedence() const {return 10;} bool info(unsigned inf) const; - unsigned nops() const; - ex op(int i) const; - ex & let_op(int i); + size_t nops() const; + ex op(size_t i) const; + ex map(map_function & f) const; ex eval(int level=0) const; - ex evalf(int level=0) const; - ex normal(lst &sym_lst, lst &repl_lst, int level=0) const; ex to_rational(lst &repl_lst) const; - ex subs(const lst & ls, const lst & lr) const; + ex to_polynomial(lst &repl_lst) const; + bool match(const ex & pattern, lst & repl_lst) const; + ex subs(const exmap & m, unsigned options = 0) const; protected: - ex derivative(const symbol & s) const; - int compare_same_type(const basic & other) const; bool is_equal_same_type(const basic & other) const; - unsigned return_type(void) const; - unsigned calchash(void) const; + unsigned return_type() const; + unsigned calchash() const; ex expand(unsigned options=0) const; // new virtual functions which can be overridden by derived classes protected: virtual ex thisexpairseq(const epvector & v, const ex & oc) const; virtual ex thisexpairseq(epvector * vp, const ex & oc) const; - virtual void printseq(std::ostream & os, char delim, + virtual void printseq(const print_context & c, char delim, unsigned this_precedence, unsigned upper_precedence) const; - virtual void printpair(std::ostream & os, const expair & p, + virtual void printpair(const print_context & c, const expair & p, unsigned upper_precedence) const; virtual expair split_ex_to_pair(const ex & e) const; virtual expair combine_ex_with_coeff_to_pair(const ex & e, @@ -123,7 +103,7 @@ protected: const ex & c) const; virtual ex recombine_pair_to_ex(const expair & p) const; virtual bool expair_needs_further_processing(epp it); - virtual ex default_overall_coeff(void) const; + virtual ex default_overall_coeff() const; virtual void combine_overall_coeff(const ex & c); virtual void combine_overall_coeff(const ex & c1, const ex & c2); virtual bool can_make_flat(const expair & p) const; @@ -140,17 +120,17 @@ protected: void construct_from_epvector(const epvector & v); void make_flat(const exvector & v); void make_flat(const epvector & v); - void canonicalize(void); - void combine_same_terms_sorted_seq(void); + void canonicalize(); + void combine_same_terms_sorted_seq(); #if EXPAIRSEQ_USE_HASHTAB - void combine_same_terms(void); + void combine_same_terms(); unsigned calc_hashtabsize(unsigned sz) const; unsigned calc_hashindex(const ex & e) const; - void shrink_hashtab(void); + void shrink_hashtab(); void remove_hashtab_entry(epvector::const_iterator element); void move_hashtab_entry(epvector::const_iterator oldpos, epvector::iterator newpos); - void sorted_insert(epplist & eppl, epp elem); + void sorted_insert(epplist & eppl, epvector::const_iterator elem); void build_hashtab_and_combine(epvector::iterator & first_numeric, epvector::iterator & last_non_zero, vector & touched, @@ -159,24 +139,20 @@ protected: epvector::iterator & last_non_zero, vector & touched, unsigned & number_of_zeroes); - bool has_coeff_0(void) const; + bool has_coeff_0() const; void add_numerics_to_hashtab(epvector::iterator first_numeric, epvector::const_iterator last_non_zero); #endif // EXPAIRSEQ_USE_HASHTAB bool is_canonical() const; epvector * expandchildren(unsigned options) const; epvector * evalchildren(int level) const; - epvector evalfchildren(int level) const; - epvector normalchildren(int level) const; - epvector diffchildren(const symbol & s) const; - epvector * subschildren(const lst & ls, const lst & lr) const; + epvector * subschildren(const exmap & m, unsigned options = 0) const; // member variables protected: epvector seq; ex overall_coeff; - static unsigned precedence; #if EXPAIRSEQ_USE_HASHTAB epplistvector hashtab; unsigned hashtabsize; @@ -188,9 +164,11 @@ protected: }; // utility functions -inline const expairseq &ex_to_expairseq(const ex &e) + +/** Specialization of is_exactly_a(obj) for expairseq objects. */ +template<> inline bool is_exactly_a(const basic & obj) { - return static_cast(*e.bp); + return obj.tinfo()==TINFO_expairseq; } } // namespace GiNaC