GiNaC/ginac/add.h

/** @file add.h
 *
 *  Interface to GiNaC's sums of expressions. */

/*
 *  GiNaC Copyright (C) 1999-2000 Johannes Gutenberg University Mainz, Germany
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef __GINAC_ADD_H__
#define __GINAC_ADD_H__

#include "expairseq.h"

#ifndef NO_NAMESPACE_GINAC
namespace GiNaC {
#endif // ndef NO_NAMESPACE_GINAC

/** Sum of expressions. */
class add : public expairseq
{
    GINAC_DECLARE_REGISTERED_CLASS(add, expairseq)

    friend class mul;
    friend class ncmul;
    friend class power;

// member functions

    // default constructor, destructor, copy constructor assignment operator and helpers
public:
    add();
    ~add();
    add(const add & other);
    const add & operator=(const add & other);
protected:
    void copy(const add & other);
    void destroy(bool call_parent);

    // other constructors
public:
    add(const ex & lh, const ex & rh);
    add(const exvector & v);
    add(const epvector & v);
    //add(const epvector & v, bool do_not_canonicalize=0);
    add(const epvector & v, const ex & oc);
    add(epvector * vp, const ex & oc);

    // functions overriding virtual functions from bases classes
public:
    basic * duplicate() const;
    void print(std::ostream & os, unsigned upper_precedence=0) const;
    void printraw(std::ostream & os) const;
    void printcsrc(std::ostream & os, unsigned type, unsigned upper_precedence=0) const;
    bool info(unsigned inf) const;
    int degree(const symbol & s) const;
    int ldegree(const symbol & s) const;
    ex coeff(const symbol & s, int n=1) const;
    ex eval(int level=0) const;
    ex series(const relational & r, int order, unsigned options = 0) const;
    ex normal(lst &sym_lst, lst &repl_lst, int level=0) const;
    numeric integer_content(void) const;
    ex smod(const numeric &xi) const;
    numeric max_coefficient(void) const;
    exvector get_indices(void) const;
    ex simplify_ncmul(const exvector & v) const;
protected:
    ex derivative(const symbol & s) const;
    int compare_same_type(const basic & other) const;
    bool is_equal_same_type(const basic & other) const;
    unsigned return_type(void) const;
    unsigned return_type_tinfo(void) const;
    ex thisexpairseq(const epvector & v, const ex & oc) const;
    ex thisexpairseq(epvector * vp, const ex & oc) const;
    expair split_ex_to_pair(const ex & e) const;
    expair combine_ex_with_coeff_to_pair(const ex & e,
                                         const ex & c) const;
    expair combine_pair_with_coeff_to_pair(const expair & p,
                                           const ex & c) const;
    ex recombine_pair_to_ex(const expair & p) const;
    ex expand(unsigned options=0) const;
    
    // new virtual functions which can be overridden by derived classes
    // none
    
    // non-virtual functions in this class
    // none

// member variables

protected:
    static unsigned precedence;
};

// global constants

extern const add some_add;
extern const type_info & typeid_add;

// utility functions
inline const add &ex_to_add(const ex &e)
{
        return static_cast<const add &>(*e.bp);
}

#ifndef NO_NAMESPACE_GINAC
} // namespace GiNaC
#endif // ndef NO_NAMESPACE_GINAC

#endif // ndef __GINAC_ADD_H__
1	cbauer	1.1	/** @file add.h
2			*
3	cbauer	1.4	* Interface to GiNaC's sums of expressions. */
4
5			/*
6	kreckel	1.10	* GiNaC Copyright (C) 1999-2000 Johannes Gutenberg University Mainz, Germany
7	cbauer	1.2	*
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	1.13	#include "expairseq.h"
27	cbauer	1.3
28	kreckel	1.14	#ifndef NO_NAMESPACE_GINAC
29	cbauer	1.5	namespace GiNaC {
30	kreckel	1.14	#endif // ndef NO_NAMESPACE_GINAC
31	cbauer	1.5
32	cbauer	1.1	/** Sum of expressions. */
33			class add : public expairseq
34			{
35	cbauer	1.11	GINAC_DECLARE_REGISTERED_CLASS(add, expairseq)
36
37	cbauer	1.1	friend class mul;
38			friend class ncmul;
39			friend class power;
40
41			// member functions
42
43			// default constructor, destructor, copy constructor assignment operator and helpers
44			public:
45			add();
46			~add();
47	cbauer	1.12	add(const add & other);
48			const add & operator=(const add & other);
49	cbauer	1.1	protected:
50	cbauer	1.12	void copy(const add & other);
51	cbauer	1.1	void destroy(bool call_parent);
52
53			// other constructors
54			public:
55	cbauer	1.12	add(const ex & lh, const ex & rh);
56			add(const exvector & v);
57			add(const epvector & v);
58			//add(const epvector & v, bool do_not_canonicalize=0);
59			add(const epvector & v, const ex & oc);
60			add(epvector * vp, const ex & oc);
61	cbauer	1.1
62			// functions overriding virtual functions from bases classes
63			public:
64			basic * duplicate() const;
65	kreckel	1.17	void print(std::ostream & os, unsigned upper_precedence=0) const;
66			void printraw(std::ostream & os) const;
67			void printcsrc(std::ostream & os, unsigned type, unsigned upper_precedence=0) const;
68	cbauer	1.1	bool info(unsigned inf) const;
69	cbauer	1.12	int degree(const symbol & s) const;
70			int ldegree(const symbol & s) const;
71			ex coeff(const symbol & s, int n=1) const;
72	cbauer	1.1	ex eval(int level=0) const;
73	kreckel	1.18	ex series(const relational & r, int order, unsigned options = 0) const;
74	cbauer	1.1	ex normal(lst &sym_lst, lst &repl_lst, int level=0) const;
75			numeric integer_content(void) const;
76	kreckel	1.9	ex smod(const numeric &xi) const;
77	cbauer	1.1	numeric max_coefficient(void) const;
78			exvector get_indices(void) const;
79	cbauer	1.12	ex simplify_ncmul(const exvector & v) const;
80	cbauer	1.1	protected:
81	kreckel	1.15	ex derivative(const symbol & s) const;
82	cbauer	1.12	int compare_same_type(const basic & other) const;
83			bool is_equal_same_type(const basic & other) const;
84	cbauer	1.1	unsigned return_type(void) const;
85			unsigned return_type_tinfo(void) const;
86	cbauer	1.12	ex thisexpairseq(const epvector & v, const ex & oc) const;
87			ex thisexpairseq(epvector * vp, const ex & oc) const;
88			expair split_ex_to_pair(const ex & e) const;
89			expair combine_ex_with_coeff_to_pair(const ex & e,
90			const ex & c) const;
91			expair combine_pair_with_coeff_to_pair(const expair & p,
92			const ex & c) const;
93			ex recombine_pair_to_ex(const expair & p) const;
94	cbauer	1.1	ex expand(unsigned options=0) const;
95
96			// new virtual functions which can be overridden by derived classes
97			// none
98
99			// non-virtual functions in this class
100			// none
101
102			// member variables
103
104			protected:
105			static unsigned precedence;
106			};
107
108			// global constants
109
110			extern const add some_add;
111	cbauer	1.12	extern const type_info & typeid_add;
112	cbauer	1.1
113	cbauer	1.5	// utility functions
114			inline const add &ex_to_add(const ex &e)
115			{
116			return static_cast<const add &>(*e.bp);
117			}
118
119	kreckel	1.14	#ifndef NO_NAMESPACE_GINAC
120	cbauer	1.5	} // namespace GiNaC
121	kreckel	1.14	#endif // ndef NO_NAMESPACE_GINAC
122	cbauer	1.1
123	cbauer	1.2	#endif // ndef __GINAC_ADD_H__
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