3 * Interface to GiNaC's products of expressions. */
6 * GiNaC Copyright (C) 1999 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 <ginac/expairseq.h>
30 /** Product of expressions. */
31 class mul : public expairseq
39 // default constructor, destructor, copy constructor assignment operator and helpers
43 mul(mul const & other);
44 mul const & operator=(mul const & other);
46 void copy(mul const & other);
47 void destroy(bool call_parent);
51 mul(ex const & lh, ex const & rh);
52 mul(exvector const & v);
53 mul(epvector const & v);
54 //mul(epvector const & v, bool do_not_canonicalize=0);
55 mul(epvector const & v, ex const & oc);
56 mul(epvector * vp, ex const & oc);
57 mul(ex const & lh, ex const & mh, ex const & rh);
59 // functions overriding virtual functions from bases classes
61 basic * duplicate() const;
62 void printraw(ostream & os) const;
63 void print(ostream & os, unsigned upper_precedence) const;
64 void printcsrc(ostream & os, unsigned type, unsigned upper_precedence) const;
65 bool info(unsigned inf) const;
66 int degree(symbol const & s) const;
67 int ldegree(symbol const & s) const;
68 ex coeff(symbol const & s, int const n=1) const;
69 ex eval(int level=0) const;
70 ex diff(symbol const & s) const;
71 ex series(symbol const & s, ex const & point, int order) const;
72 ex normal(lst &sym_lst, lst &repl_lst, int level=0) const;
73 numeric integer_content(void) const;
74 ex smod(numeric const &xi) const;
75 numeric max_coefficient(void) const;
76 exvector get_indices(void) const;
77 ex simplify_ncmul(exvector const & v) const;
79 int compare_same_type(basic const & other) const;
80 bool is_equal_same_type(basic const & other) const;
81 unsigned return_type(void) const;
82 unsigned return_type_tinfo(void) const;
83 ex thisexpairseq(epvector const & v, ex const & oc) const;
84 ex thisexpairseq(epvector * vp, ex const & oc) const;
85 expair split_ex_to_pair(ex const & e) const;
86 expair combine_ex_with_coeff_to_pair(ex const & e,
88 expair combine_pair_with_coeff_to_pair(expair const & p,
90 ex recombine_pair_to_ex(expair const & p) const;
91 bool expair_needs_further_processing(epp it);
92 ex default_overall_coeff(void) const;
93 void combine_overall_coeff(ex const & c);
94 void combine_overall_coeff(ex const & c1, ex const & c2);
95 bool can_make_flat(expair const & p) const;
96 ex expand(unsigned options=0) const;
98 // new virtual functions which can be overridden by derived classes
101 // non-virtual functions in this class
103 epvector * expandchildren(unsigned options) const;
108 static unsigned precedence;
113 extern const mul some_mul;
114 extern type_info const & typeid_mul;
117 inline const mul &ex_to_mul(const ex &e)
119 return static_cast<const mul &>(*e.bp);
124 #endif // ndef __GINAC_MUL_H__