X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?a=blobdiff_plain;f=ginac%2Fexpairseq.h;h=a1edba119956909d97ddbdee4be0f0038e539523;hb=9ca58b8e0e91d5a7f38b6e80da0eae5ce4c3a533;hp=e6511e8e2d36f4b4a699a39661db11b41a456ec3;hpb=6b3768e8c544739ae53321539cb4d1e3112ded1b;p=ginac.git diff --git a/ginac/expairseq.h b/ginac/expairseq.h index e6511e8e..a1edba11 100644 --- a/ginac/expairseq.h +++ b/ginac/expairseq.h @@ -1,34 +1,54 @@ -/** @file expairseq.h */ - -#ifndef _EXPAIRSEQ_H_ -#define _EXPAIRSEQ_H_ +/** @file expairseq.h + * + * Interface to sequences of expression pairs. */ + +/* + * GiNaC Copyright (C) 1999-2000 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 + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * 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 + */ + +#ifndef __GINAC_EXPAIRSEQ_H__ +#define __GINAC_EXPAIRSEQ_H__ #include #include -class expairseq; +// CINT needs to work properly with and +#include -#include "basic.h" -#include "ex.h" -#include "numeric.h" -#include "debugmsg.h" #include "expair.h" +#ifndef NO_NAMESPACE_GINAC +namespace GiNaC { +#endif // ndef NO_NAMESPACE_GINAC + //#define EXPAIRSEQ_USE_HASHTAB -typedef vector epvector; +typedef std::vector epvector; typedef epvector::iterator epviter; inline void iter_swap(epvector::iterator it1, epvector::iterator it2) { - debugmsg("iter_swap epvector",LOGLEVEL_NONMEMBER_FUNCTION); - (*it1).rest.swap((*it2).rest); - (*it1).coeff.swap((*it2).coeff); + (*it1).rest.swap((*it2).rest); + (*it1).coeff.swap((*it2).coeff); } typedef epvector::iterator epp; -typedef list epplist; -typedef vector epplistvector; +typedef std::list epplist; +typedef std::vector epplistvector; /** A sequence of class expair. * This is used for time-critical classes like sums and products of terms @@ -37,147 +57,156 @@ typedef vector epplistvector; * the same way.) */ class expairseq : public basic { + GINAC_DECLARE_REGISTERED_CLASS(expairseq, basic) + // member functions - // default constructor, destructor, copy constructor assignment operator and helpers + // default constructor, destructor, copy constructor assignment operator and helpers public: - expairseq() : basic(TINFO_EXPAIRSEQ) + expairseq() : basic(TINFO_expairseq) #ifdef EXPAIRSEQ_USE_HASHTAB - , hashtabsize(0) + , hashtabsize(0) #endif // def EXPAIRSEQ_USE_HASHTAB - { - debugmsg("expairseq default constructor",LOGLEVEL_CONSTRUCT); - } - ~expairseq() - { - debugmsg("expairseq destructor",LOGLEVEL_DESTRUCT); - destroy(0); - } - expairseq(expairseq const & other); - expairseq const & operator=(expairseq const & other); + { + } + ~expairseq() + { + destroy(0); + } + expairseq(const expairseq & other); + const expairseq & operator=(const expairseq & other); protected: - void copy(expairseq const & other); - void destroy(bool call_parent) - { - if (call_parent) basic::destroy(call_parent); - }; + void copy(const expairseq & other); + void destroy(bool call_parent) + { + if (call_parent) basic::destroy(call_parent); + }; - // other constructors + // other constructors public: - expairseq(ex const & lh, ex const & rh); - expairseq(exvector const & v); - expairseq(epvector const & v, ex const & oc); - expairseq(epvector * vp, ex const & oc); // vp will be deleted + 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 bases classes public: - basic * duplicate() const; - void printraw(ostream & os) const; - void printtree(ostream & os, unsigned indent) const; - void print(ostream & os, unsigned upper_precedence=0) const; - bool info(unsigned inf) const; - int nops() const; - ex op(int const i) const; - ex & let_op(int const i); - 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 diff(symbol const & s) const; - ex subs(lst const & ls, lst const & lr) const; + 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; + bool info(unsigned inf) const; + unsigned nops() const; + ex op(int i) const; + ex & let_op(int i); + 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; protected: - int compare_same_type(basic const & other) const; - bool is_equal_same_type(basic const & other) const; - unsigned return_type(void) const; - unsigned calchash(void) const; - ex expand(unsigned options=0) const; - - // new virtual functions which can be overridden by derived classes + 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; + ex expand(unsigned options=0) const; + + // new virtual functions which can be overridden by derived classes protected: - virtual ex thisexpairseq(epvector const & v, ex const & oc) const; - virtual ex thisexpairseq(epvector * vp, ex const & oc) const; - virtual void printseq(ostream & os, char delim, unsigned this_precedence, - unsigned upper_precedence) const; - virtual void printpair(ostream & os, expair const & p, - unsigned upper_precedence) const; - virtual expair split_ex_to_pair(ex const & e) const; - virtual expair combine_ex_with_coeff_to_pair(ex const & e, - ex const & c) const; - virtual expair combine_pair_with_coeff_to_pair(expair const & p, - ex const & c) const; - virtual ex recombine_pair_to_ex(expair const & p) const; - virtual bool expair_needs_further_processing(epp it); - virtual ex default_overall_coeff(void) const; - virtual void combine_overall_coeff(ex const & c); - virtual void combine_overall_coeff(ex const & c1, ex const & c2); - virtual bool can_make_flat(expair const & p) const; - - // non-virtual functions in this class + 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, + unsigned this_precedence, + unsigned upper_precedence) const; + virtual void printpair(std::ostream & os, 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, + const ex & c) const; + virtual expair combine_pair_with_coeff_to_pair(const expair & p, + 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 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; + + // non-virtual functions in this class protected: - void construct_from_2_ex_via_exvector(ex const & lh, ex const & rh); - void construct_from_2_ex(ex const & lh, ex const & rh); - void construct_from_2_expairseq(expairseq const & s1, - expairseq const & s2); - void construct_from_expairseq_ex(expairseq const & s, - ex const & e); - void construct_from_exvector(exvector const & v); - void construct_from_epvector(epvector const & v); - void make_flat(exvector const & v); - void make_flat(epvector const & v); - epvector * bubblesort(epvector::iterator itbegin, epvector::iterator itend); - epvector * mergesort(epvector::iterator itbegin, epvector::iterator itend); - void canonicalize(void); - void combine_same_terms_sorted_seq(void); + void construct_from_2_ex_via_exvector(const ex & lh, const ex & rh); + void construct_from_2_ex(const ex & lh, const ex & rh); + void construct_from_2_expairseq(const expairseq & s1, + const expairseq & s2); + void construct_from_expairseq_ex(const expairseq & s, + const ex & e); + void construct_from_exvector(const exvector & v); + void construct_from_epvector(const epvector & v); + void make_flat(const exvector & v); + void make_flat(const epvector & v); + epvector * bubblesort(epvector::iterator itbegin, epvector::iterator itend); + epvector * mergesort(epvector::iterator itbegin, epvector::iterator itend); + void canonicalize(void); + void combine_same_terms_sorted_seq(void); #ifdef EXPAIRSEQ_USE_HASHTAB - void combine_same_terms(void); - unsigned calc_hashtabsize(unsigned sz) const; - unsigned calc_hashindex(ex const & e) const; - void shrink_hashtab(void); - 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 build_hashtab_and_combine(epvector::iterator & first_numeric, - epvector::iterator & last_non_zero, - vector & touched, - unsigned & number_of_zeroes); - void drop_coeff_0_terms(epvector::iterator & first_numeric, - epvector::iterator & last_non_zero, - vector & touched, - unsigned & number_of_zeroes); - bool has_coeff_0(void) const; - void add_numerics_to_hashtab(epvector::iterator first_numeric, epvector::const_iterator last_non_zero); + void combine_same_terms(void); + unsigned calc_hashtabsize(unsigned sz) const; + unsigned calc_hashindex(const ex & e) const; + void shrink_hashtab(void); + 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 build_hashtab_and_combine(epvector::iterator & first_numeric, + epvector::iterator & last_non_zero, + vector & touched, + unsigned & number_of_zeroes); + void drop_coeff_0_terms(epvector::iterator & first_numeric, + epvector::iterator & last_non_zero, + vector & touched, + unsigned & number_of_zeroes); + bool has_coeff_0(void) const; + void add_numerics_to_hashtab(epvector::iterator first_numeric, + epvector::const_iterator last_non_zero); #endif // def 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(symbol const & s) const; - epvector * subschildren(lst const & ls, lst const & lr) const; - + 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; + // member variables - + protected: - epvector seq; - ex overall_coeff; - static unsigned precedence; + epvector seq; + ex overall_coeff; + static unsigned precedence; #ifdef EXPAIRSEQ_USE_HASHTAB - epplistvector hashtab; - unsigned hashtabsize; - unsigned hashmask; - static unsigned maxhashtabsize; - static unsigned minhashtabsize; - static unsigned hashtabfactor; + epplistvector hashtab; + unsigned hashtabsize; + unsigned hashmask; + static unsigned maxhashtabsize; + static unsigned minhashtabsize; + static unsigned hashtabfactor; #endif // def EXPAIRSEQ_USE_HASHTAB }; // global constants extern const expairseq some_expairseq; -extern type_info const & typeid_expairseq; +extern const std::type_info & typeid_expairseq; -#define ex_to_expairseq(X) static_cast(*(X).bp) - -#endif // ndef _EXPAIRSEQ_H_ +// utility functions +inline const expairseq &ex_to_expairseq(const ex &e) +{ + return static_cast(*e.bp); +} +#ifndef NO_NAMESPACE_GINAC +} // namespace GiNaC +#endif // ndef NO_NAMESPACE_GINAC +#endif // ndef __GINAC_EXPAIRSEQ_H__