main page
modules
namespaces
classes
files
Gecode home
Generated on Sat Nov 9 2013 19:18:30 for Gecode by
doxygen
1.8.4
gecode
kernel
brancher-val-sel.hpp
Go to the documentation of this file.
1
/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
2
/*
3
* Main author:
4
* Christian Schulte <schulte@gecode.org>
5
*
6
* Copyright:
7
* Christian Schulte, 2012
8
*
9
* Last modified:
10
* $Date: 2012-10-02 15:49:50 +0200 (Tue, 02 Oct 2012) $ by $Author: schulte $
11
* $Revision: 13123 $
12
*
13
* This file is part of Gecode, the generic constraint
14
* development environment:
15
* http://www.gecode.org
16
*
17
* Permission is hereby granted, free of charge, to any person obtaining
18
* a copy of this software and associated documentation files (the
19
* "Software"), to deal in the Software without restriction, including
20
* without limitation the rights to use, copy, modify, merge, publish,
21
* distribute, sublicense, and/or sell copies of the Software, and to
22
* permit persons to whom the Software is furnished to do so, subject to
23
* the following conditions:
24
*
25
* The above copyright notice and this permission notice shall be
26
* included in all copies or substantial portions of the Software.
27
*
28
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
29
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
30
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
31
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
32
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
33
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
34
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
35
*
36
*/
37
38
namespace
Gecode {
39
46
template
<
class
_View,
class
_Val>
48
class
ValSel
{
49
public
:
51
typedef
_View
View
;
53
typedef
_Val
Val
;
54
public
:
56
ValSel
(
Space
& home,
const
ValBranch
& vb);
58
ValSel
(
Space
& home,
bool
shared
,
ValSel<View,Val>
& vs);
60
bool
notice
(
void
)
const
;
62
void
dispose
(
Space
& home);
63
};
64
66
template
<
class
View>
67
class
ValSelFunction
:
68
public
ValSel
<View,
69
typename BranchTraits<typename View::VarType>::ValType> {
70
public
:
72
typedef
typename
ValSel
<
View
,
73
typename
BranchTraits<typename View::VarType>
74
::ValType>
::Val
Val
;
76
typedef
typename
View::VarType
Var
;
78
typedef
typename
BranchTraits<Var>::Val
ValFunction
;
79
protected
:
81
ValFunction
v
;
82
public
:
84
ValSelFunction
(
Space
& home,
const
ValBranch
& vb);
86
ValSelFunction
(
Space
& home,
bool
shared
,
ValSelFunction<View>
& vs);
88
Val
val
(
const
Space
& home,
View
x
,
int
i
);
89
};
91
92
93
// Baseclass value selection
94
template
<
class
View,
class
Val>
95
forceinline
96
ValSel<View,Val>::ValSel
(
Space
&,
const
ValBranch
&) {}
97
template
<
class
View,
class
Val>
98
forceinline
99
ValSel<View,Val>::ValSel
(
Space
&,
bool
,
ValSel<View,Val>
&) {}
100
template
<
class
View,
class
Val>
101
forceinline
bool
102
ValSel<View,Val>::notice
(
void
)
const
{
103
return
false
;
104
}
105
template
<
class
View,
class
Val>
106
forceinline
void
107
ValSel<View,Val>::dispose
(
Space
&) {}
108
109
110
// User-defined value selection
111
template
<
class
View>
112
forceinline
113
ValSelFunction<View>::ValSelFunction
(
Space
& home,
const
ValBranch
& vb)
114
:
ValSel
<
View
,
Val
>(home,vb),
115
v
(
function_cast
<
ValFunction
>(vb.val())) {}
116
template
<
class
View>
117
forceinline
118
ValSelFunction<View>::ValSelFunction
(
Space
& home,
bool
shared
,
119
ValSelFunction<View>
& vs)
120
:
ValSel
<
View
,
Val
>(home,shared,vs),
v
(vs.
v
) {}
121
template
<
class
View>
122
forceinline
typename
ValSelFunction<View>::Val
123
ValSelFunction<View>::val
(
const
Space
& home,
View
x
,
int
i
) {
124
typename
View::VarType y(x.varimp());
125
return
v
(home,y,i);
126
}
127
128
}
129
130
// STATISTICS: kernel-branch