3 * Interface to GiNaC's products of expressions. */
6 * GiNaC Copyright (C) 1999-2000 Johannes Gutenberg University Mainz, Germany
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 #ifndef __GINAC_MUL_H__
24 #define __GINAC_MUL_H__
26 #include "expairseq.h"
28 #ifndef NO_NAMESPACE_GINAC
30 #endif // ndef NO_NAMESPACE_GINAC
32 /** Product of expressions. */
33 class mul : public expairseq
35 GINAC_DECLARE_REGISTERED_CLASS(mul, expairseq)
43 // default constructor, destructor, copy constructor assignment operator and helpers
47 mul(const mul & other);
48 const mul & operator=(const mul & other);
50 void copy(const mul & other);
51 void destroy(bool call_parent);
55 mul(const ex & lh, const ex & rh);
56 mul(const exvector & v);
57 mul(const epvector & v);
58 //mul(const epvector & v, bool do_not_canonicalize=0);
59 mul(const epvector & v, const ex & oc);
60 mul(epvector * vp, const ex & oc);
61 mul(const ex & lh, const ex & mh, const ex & rh);
63 // functions overriding virtual functions from bases classes
65 basic * duplicate() const;
66 void print(ostream & os, unsigned upper_precedence) const;
67 void printraw(ostream & os) const;
68 void printcsrc(ostream & os, unsigned type, unsigned upper_precedence) const;
69 bool info(unsigned inf) const;
70 int degree(const symbol & s) const;
71 int ldegree(const symbol & s) const;
72 ex coeff(const symbol & s, int n=1) const;
73 ex eval(int level=0) const;
74 ex diff(const symbol & s) const;
75 ex series(const symbol & s, const ex & point, int order) const;
76 ex normal(lst &sym_lst, lst &repl_lst, int level=0) const;
77 numeric integer_content(void) const;
78 ex smod(const numeric &xi) const;
79 numeric max_coefficient(void) const;
80 exvector get_indices(void) const;
81 ex simplify_ncmul(const exvector & v) const;
83 int compare_same_type(const basic & other) const;
84 bool is_equal_same_type(const basic & other) const;
85 unsigned return_type(void) const;
86 unsigned return_type_tinfo(void) const;
87 ex thisexpairseq(const epvector & v, const ex & oc) const;
88 ex thisexpairseq(epvector * vp, const ex & oc) const;
89 expair split_ex_to_pair(const ex & e) const;
90 expair combine_ex_with_coeff_to_pair(const ex & e,
92 expair combine_pair_with_coeff_to_pair(const expair & p,
94 ex recombine_pair_to_ex(const expair & p) const;
95 bool expair_needs_further_processing(epp it);
96 ex default_overall_coeff(void) const;
97 void combine_overall_coeff(const ex & c);
98 void combine_overall_coeff(const ex & c1, const ex & c2);
99 bool can_make_flat(const expair & p) const;
100 ex expand(unsigned options=0) const;
102 // new virtual functions which can be overridden by derived classes
105 // non-virtual functions in this class
107 epvector * expandchildren(unsigned options) const;
112 static unsigned precedence;
117 extern const mul some_mul;
118 extern const type_info & typeid_mul;
121 inline const mul &ex_to_mul(const ex &e)
123 return static_cast<const mul &>(*e.bp);
126 #ifndef NO_NAMESPACE_GINAC
128 #endif // ndef NO_NAMESPACE_GINAC
130 #endif // ndef __GINAC_MUL_H__