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