/[GiNaC]/ginac/add.h
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Contents of /ginac/add.h

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Revision 1.7 - (hide annotations)
Thu Dec 2 15:45:13 1999 UTC (13 years, 5 months ago) by frink
Branch: MAIN
Changes since 1.6: +4 -0 lines
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#ifndef around namespace GiNaC { }

1 cbauer 1.1 /** @file add.h
2     *
3 cbauer 1.4 * Interface to GiNaC's sums of expressions. */
4    
5     /*
6 cbauer 1.2 * GiNaC Copyright (C) 1999 Johannes Gutenberg University Mainz, Germany
7     *
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.
12     *
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.
17     *
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
21     */
22 cbauer 1.1
23 cbauer 1.2 #ifndef __GINAC_ADD_H__
24     #define __GINAC_ADD_H__
25 cbauer 1.1
26 cbauer 1.3 #include <ginac/expairseq.h>
27    
28 frink 1.7 #ifndef NO_GINAC_NAMESPACE
29 cbauer 1.5 namespace GiNaC {
30 frink 1.7 #endif // ndef NO_GINAC_NAMESPACE
31 cbauer 1.5
32 cbauer 1.1 /** Sum of expressions. */
33     class add : public expairseq
34     {
35     friend class mul;
36     friend class ncmul;
37     friend class power;
38    
39     // member functions
40    
41     // default constructor, destructor, copy constructor assignment operator and helpers
42     public:
43     add();
44     ~add();
45     add(add const & other);
46     add const & operator=(add const & other);
47     protected:
48     void copy(add const & other);
49     void destroy(bool call_parent);
50    
51     // other constructors
52     public:
53     add(ex const & lh, ex const & rh);
54     add(exvector const & v);
55     add(epvector const & v);
56     //add(epvector const & v, bool do_not_canonicalize=0);
57     add(epvector const & v, ex const & oc);
58     add(epvector * vp, ex const & oc);
59    
60     // functions overriding virtual functions from bases classes
61     public:
62     basic * duplicate() const;
63     void printraw(ostream & os) const;
64     void print(ostream & os, unsigned upper_precedence=0) const;
65     void printcsrc(ostream & os, unsigned type, unsigned upper_precedence=0) const;
66     bool info(unsigned inf) const;
67     int degree(symbol const & s) const;
68     int ldegree(symbol const & s) const;
69     ex coeff(symbol const & s, int const n=1) const;
70     ex eval(int level=0) const;
71     ex diff(symbol const & s) const;
72     ex series(symbol const & s, ex const & point, int order) const;
73     ex normal(lst &sym_lst, lst &repl_lst, int level=0) const;
74     numeric integer_content(void) const;
75     ex smod(numeric const &xi) const;
76     numeric max_coefficient(void) const;
77     exvector get_indices(void) const;
78     ex simplify_ncmul(exvector const & v) const;
79     protected:
80     int compare_same_type(basic const & other) const;
81     bool is_equal_same_type(basic const & other) const;
82     unsigned return_type(void) const;
83     unsigned return_type_tinfo(void) const;
84     ex thisexpairseq(epvector const & v, ex const & oc) const;
85     ex thisexpairseq(epvector * vp, ex const & oc) const;
86     expair split_ex_to_pair(ex const & e) const;
87     expair combine_ex_with_coeff_to_pair(ex const & e,
88     ex const & c) const;
89     expair combine_pair_with_coeff_to_pair(expair const & p,
90     ex const & c) const;
91     ex recombine_pair_to_ex(expair const & p) const;
92     ex expand(unsigned options=0) const;
93    
94     // new virtual functions which can be overridden by derived classes
95     // none
96    
97     // non-virtual functions in this class
98     // none
99    
100     // member variables
101    
102     protected:
103     static unsigned precedence;
104     };
105    
106     // global constants
107    
108     extern const add some_add;
109     extern type_info const & typeid_add;
110    
111 cbauer 1.5 // utility functions
112     inline const add &ex_to_add(const ex &e)
113     {
114     return static_cast<const add &>(*e.bp);
115     }
116    
117 frink 1.7 #ifndef NO_GINAC_NAMESPACE
118 cbauer 1.5 } // namespace GiNaC
119 frink 1.7 #endif // ndef NO_GINAC_NAMESPACE
120 cbauer 1.1
121 cbauer 1.2 #endif // ndef __GINAC_ADD_H__

Christian Bauer">Christian Bauer
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