X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Fclifford.h;h=03eb63572ddfdff6a579f7728789f61b4da0df12;hp=ef08f72bc75fb381bb2662e0ca3efe9c770da39b;hb=5d6f5f3a4ffe8733784ec135ab8d24336f3806ca;hpb=67edef78ce992a8f6ad704bfac228b8dec6eacd2 diff --git a/ginac/clifford.h b/ginac/clifford.h index ef08f72b..03eb6357 100644 --- a/ginac/clifford.h +++ b/ginac/clifford.h @@ -3,7 +3,7 @@ * Interface to GiNaC's clifford algebra (Dirac gamma) objects. */ /* - * GiNaC Copyright (C) 1999-2010 Johannes Gutenberg University Mainz, Germany + * GiNaC Copyright (C) 1999-2018 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 @@ -46,21 +46,21 @@ public: clifford(const ex & b, const ex & mu, const ex & metr, unsigned char rl = 0, int comm_sign = -1); // internal constructors - clifford(unsigned char rl, const ex & metr, int comm_sign, const exvector & v, bool discardable = false); - clifford(unsigned char rl, const ex & metr, int comm_sign, std::auto_ptr vp); + clifford(unsigned char rl, const ex & metr, int comm_sign, const exvector & v); + clifford(unsigned char rl, const ex & metr, int comm_sign, exvector && v); // functions overriding virtual functions from base classes public: - unsigned precedence() const { return 65; } - void archive(archive_node& n) const; - void read_archive(const archive_node& n, lst& sym_lst); + unsigned precedence() const override { return 65; } + void archive(archive_node& n) const override; + void read_archive(const archive_node& n, lst& sym_lst) override; protected: - ex eval_ncmul(const exvector & v) const; - bool match_same_type(const basic & other) const; - ex thiscontainer(const exvector & v) const; - ex thiscontainer(std::auto_ptr vp) const; - unsigned return_type() const { return return_types::noncommutative; } - return_type_t return_type_tinfo() const; + ex eval_ncmul(const exvector & v) const override; + bool match_same_type(const basic & other) const override; + ex thiscontainer(const exvector & v) const override; + ex thiscontainer(exvector && v) const override; + unsigned return_type() const override { return return_types::noncommutative; } + return_type_t return_type_tinfo() const override; // non-virtual functions in this class public: unsigned char get_representation_label() const { return representation_label; } @@ -69,14 +69,15 @@ public: bool same_metric(const ex & other) const; int get_commutator_sign() const { return commutator_sign; } //**< See the member variable commutator_sign */ - inline size_t nops() const {return inherited::nops() + 1; } - ex op(size_t i) const; - ex & let_op(size_t i); - ex subs(const exmap & m, unsigned options = 0) const; + inline size_t nops() const override {return inherited::nops() + 1; } + ex op(size_t i) const override; + ex & let_op(size_t i) override; + ex subs(const exmap & m, unsigned options = 0) const override; protected: void do_print_dflt(const print_dflt & c, unsigned level) const; void do_print_latex(const print_latex & c, unsigned level) const; + void do_print_tree(const print_tree & c, unsigned level) const; // member variables protected: @@ -106,13 +107,14 @@ class cliffordunit : public tensor // functions overriding virtual functions from base classes public: - bool contract_with(exvector::iterator self, exvector::iterator other, exvector & v) const; + bool contract_with(exvector::iterator self, exvector::iterator other, exvector & v) const override; // non-virtual functions in this class protected: void do_print(const print_context & c, unsigned level) const; void do_print_latex(const print_latex & c, unsigned level) const; }; +GINAC_DECLARE_UNARCHIVER(cliffordunit); /** This class represents the Dirac gamma Lorentz vector. */ @@ -122,7 +124,7 @@ class diracgamma : public cliffordunit // functions overriding virtual functions from base classes public: - bool contract_with(exvector::iterator self, exvector::iterator other, exvector & v) const; + bool contract_with(exvector::iterator self, exvector::iterator other, exvector & v) const override; // non-virtual functions in this class protected: @@ -139,7 +141,7 @@ class diracgamma5 : public tensor GINAC_DECLARE_REGISTERED_CLASS(diracgamma5, tensor) // functions overriding virtual functions from base classes - ex conjugate() const; + ex conjugate() const override; // non-virtual functions in this class protected: @@ -156,7 +158,7 @@ class diracgammaL : public tensor GINAC_DECLARE_REGISTERED_CLASS(diracgammaL, tensor) // functions overriding virtual functions from base classes - ex conjugate() const; + ex conjugate() const override; // non-virtual functions in this class protected: @@ -173,7 +175,7 @@ class diracgammaR : public tensor GINAC_DECLARE_REGISTERED_CLASS(diracgammaR, tensor) // functions overriding virtual functions from base classes - ex conjugate() const; + ex conjugate() const override; // non-virtual functions in this class protected: @@ -280,12 +282,16 @@ ex canonicalize_clifford(const ex & e); * clifford units. */ ex clifford_prime(const ex & e); +/** An auxillary function performing clifford_star() and clifford_bar().*/ +ex clifford_star_bar(const ex & e, bool do_bar, unsigned options); + /** Main anti-automorphism of the Clifford algebra: makes reversion * and changes signs of all clifford units. */ -inline ex clifford_bar(const ex & e) { return clifford_prime(e.conjugate()); } +inline ex clifford_bar(const ex & e) { return clifford_star_bar(e, true, 0); } -/** Reversion of the Clifford algebra, coincides with the conjugate(). */ -inline ex clifford_star(const ex & e) { return e.conjugate(); } +/** Reversion of the Clifford algebra, reverse the order of all clifford units + * in ncmul. */ +inline ex clifford_star(const ex & e) { return clifford_star_bar(e, false, 0); } /** Replaces dirac_ONE's (with a representation_label no less than rl) in e with 1. * For the default value rl = 0 remove all of them. Aborts if e contains any @@ -301,7 +307,7 @@ ex remove_dirac_ONE(const ex & e, unsigned char rl = 0, unsigned options = 0); * * @param e Expression to be processed * @ignore_ONE defines if clifford_ONE should be ignored in the search*/ -char clifford_max_label(const ex & e, bool ignore_ONE = false); +int clifford_max_label(const ex & e, bool ignore_ONE = false); /** Calculation of the norm in the Clifford algebra. */ ex clifford_norm(const ex & e);