1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
/* lb-element.h
* Copyright (C) 2005 Pascal Giorgi
*
* Written by Pascal Giorgi <pgiorgi@uwaterloo.ca>
*
* ========LICENCE========
* This file is part of the library LinBox.
*
* LinBox is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
* ========LICENCE========
*/
#ifndef __LINBOX_lb_element_data_H
#define __LINBOX_lb_element_data_H
#include <lb-domain-data.h>
#include <lb-element-collection.h>
#include <lb-element-abstract.h>
#include <lb-domain-function.h>
extern EltTable element_hashtable;
/**********************************************************
* Element Envelope to be compliant with Element Abstract *
**********************************************************/
template<class Element>
class EltEnvelope : public EltAbstract {
DomainKey key;
Element *ptr;
public:
EltEnvelope(const DomainKey &k, Element* e) : key(k, true), ptr(e) {}
~EltEnvelope() {delete ptr;}
Element *getElement() const {return ptr;}
const DomainKey& getDomainKey() const { return key;}
EltAbstract* clone() const { return new EltEnvelope<Element>(key, new Element(*ptr));}
};
/*****************************************
* construction of Element from a Domain *
*****************************************/
class CreateEltFunctor{
protected:
const DomainKey &key;
public:
CreateEltFunctor(const DomainKey &k) : key(k) {}
template<class Domain>
void operator()(EltAbstract *& e, Domain *D) const{
e = new EltEnvelope<typename Domain::Element> (key, new typename Domain::Element());
}
};
EltAbstract* constructElt(const DomainKey &key){
EltAbstract *e;
CreateEltFunctor Fct(key);
DomainFunction::call(e, key, Fct);
return e;
}
#endif
// Local Variables:
// mode: C++
// tab-width: 4
// indent-tabs-mode: nil
// c-basic-offset: 4
// End:
// vim:sts=4:sw=4:ts=4:et:sr:cino=>s,f0,{0,g0,(0,\:0,t0,+0,=s
|
