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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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#ifndef _ADD_H_
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#define _ADD_H_
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#include "expairseq.h"
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/** Sum of expressions. */
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class add : public expairseq
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{
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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(add const & other);
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add const & operator=(add const & other);
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protected:
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void copy(add const & 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(ex const & lh, ex const & rh);
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add(exvector const & v);
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add(epvector const & v);
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//add(epvector const & v, bool do_not_canonicalize=0);
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add(epvector const & v, ex const & oc);
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add(epvector * vp, ex const & 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 printraw(ostream & os) const;
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void print(ostream & os, unsigned upper_precedence=0) const;
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void printcsrc(ostream & os, unsigned type, unsigned upper_precedence=0) const;
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bool info(unsigned inf) const;
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int degree(symbol const & s) const;
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int ldegree(symbol const & s) const;
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ex coeff(symbol const & s, int const n=1) const;
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ex eval(int level=0) const;
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ex diff(symbol const & s) const;
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ex series(symbol const & s, ex const & point, int order) 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(numeric const &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(exvector const & v) const;
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protected:
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int compare_same_type(basic const & other) const;
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bool is_equal_same_type(basic const & 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(epvector const & v, ex const & oc) const;
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ex thisexpairseq(epvector * vp, ex const & oc) const;
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void printpair(ostream & os, expair const & p,
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unsigned upper_precedence) const;
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expair split_ex_to_pair(ex const & e) const;
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expair combine_ex_with_coeff_to_pair(ex const & e,
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ex const & c) const;
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expair combine_pair_with_coeff_to_pair(expair const & p,
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ex const & c) const;
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ex recombine_pair_to_ex(expair const & 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 type_info const & typeid_add;
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#define ex_to_add(X) static_cast<add const &>(*(X).bp)
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#endif // ndef _ADD_H_
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