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/** @file add.h
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*
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* Interface to GiNaC's sums of expressions. */
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/*
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* GiNaC Copyright (C) 1999-2000 Johannes Gutenberg University Mainz, Germany
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __GINAC_ADD_H__
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#define __GINAC_ADD_H__
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#include "expairseq.h"
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#ifndef NO_NAMESPACE_GINAC
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namespace GiNaC {
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#endif // ndef NO_NAMESPACE_GINAC
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/** Sum of expressions. */
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class add : public expairseq
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{
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GINAC_DECLARE_REGISTERED_CLASS(add, expairseq)
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friend class mul;
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friend class ncmul;
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friend class power;
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// member functions
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// default constructor, destructor, copy constructor assignment operator and helpers
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public:
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add();
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~add();
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add(const add & other);
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const add & operator=(const add & other);
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protected:
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void copy(const add & other);
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void destroy(bool call_parent);
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// other constructors
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public:
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add(const ex & lh, const ex & rh);
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add(const exvector & v);
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add(const epvector & v);
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//add(const epvector & v, bool do_not_canonicalize=0);
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add(const epvector & v, const ex & oc);
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add(epvector * vp, const ex & oc);
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// functions overriding virtual functions from bases classes
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public:
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basic * duplicate() const;
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void print(std::ostream & os, unsigned upper_precedence=0) const;
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void printraw(std::ostream & os) const;
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void printcsrc(std::ostream & os, unsigned type, unsigned upper_precedence=0) const;
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bool info(unsigned inf) const;
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int degree(const symbol & s) const;
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int ldegree(const symbol & s) const;
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ex coeff(const symbol & s, int n=1) const;
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ex eval(int level=0) const;
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ex series(const relational & r, int order, unsigned options = 0) const;
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ex normal(lst &sym_lst, lst &repl_lst, int level=0) const;
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numeric integer_content(void) const;
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ex smod(const numeric &xi) const;
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numeric max_coefficient(void) const;
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exvector get_indices(void) const;
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ex simplify_ncmul(const exvector & v) const;
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protected:
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ex derivative(const symbol & s) const;
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int compare_same_type(const basic & other) const;
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bool is_equal_same_type(const basic & other) const;
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unsigned return_type(void) const;
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unsigned return_type_tinfo(void) const;
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ex thisexpairseq(const epvector & v, const ex & oc) const;
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ex thisexpairseq(epvector * vp, const ex & oc) const;
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expair split_ex_to_pair(const ex & e) const;
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expair combine_ex_with_coeff_to_pair(const ex & e,
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const ex & c) const;
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expair combine_pair_with_coeff_to_pair(const expair & p,
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const ex & c) const;
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ex recombine_pair_to_ex(const expair & p) const;
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ex expand(unsigned options=0) const;
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// new virtual functions which can be overridden by derived classes
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// none
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// non-virtual functions in this class
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// none
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// member variables
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protected:
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static unsigned precedence;
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};
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// global constants
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extern const add some_add;
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extern const type_info & typeid_add;
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// utility functions
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inline const add &ex_to_add(const ex &e)
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{
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return static_cast<const add &>(*e.bp);
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}
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#ifndef NO_NAMESPACE_GINAC
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} // namespace GiNaC
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#endif // ndef NO_NAMESPACE_GINAC
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#endif // ndef __GINAC_ADD_H__
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