Generated on Sat Feb 7 2015 02:01:27 for Gecode by doxygen 1.8.9.1
values-map.hpp
Go to the documentation of this file.
1 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
2 /*
3  * Main authors:
4  * Christian Schulte <schulte@gecode.org>
5  *
6  * Copyright:
7  * Christian Schulte, 2008
8  *
9  * Last modified:
10  * $Date: 2010-07-28 17:35:33 +0200 (Wed, 28 Jul 2010) $ by $Author: schulte $
11  * $Revision: 11294 $
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 { namespace Iter { namespace Values {
39 
48  template<class I, class M, bool strict=false>
49  class Map {
50  protected:
52  I i;
54  M m;
55  public:
57 
58  Map(void);
61  Map(I& i);
63  Map(I& i, const M& m);
65  void init(I& i);
67  void init(I& i, const M& m);
69 
71 
72  bool operator ()(void) const;
75  void operator ++(void);
77 
79 
80  int val(void) const;
83  };
84 
85 
86  template<class I, class M, bool strict>
89 
90  template<class I, class M, bool strict>
92  Map<I,M,strict>::Map(I& i0) : i(i0) {}
93 
94  template<class I, class M, bool strict>
96  Map<I,M,strict>::Map(I& i0, const M& m0) : i(i0), m(m0) {}
97 
98  template<class I, class M, bool strict>
99  forceinline void
101  i=i0;
102  }
103 
104  template<class I, class M, bool strict>
105  forceinline void
106  Map<I,M,strict>::init(I& i0, const M& m0) {
107  i=i0; m=m0;
108  }
109 
110  template<class I, class M, bool strict>
111  forceinline void
113  if (strict) {
114  ++i;
115  } else {
116  int n=m.val(i.val());
117  do {
118  ++i;
119  } while (i() && (n == m.val(i.val())));
120  }
121  }
122  template<class I, class M, bool strict>
123  forceinline bool
125  return i();
126  }
127 
128  template<class I, class M, bool strict>
129  forceinline int
130  Map<I,M,strict>::val(void) const {
131  return m.val(i.val());
132  }
133 
134 }}}
135 
136 // STATISTICS: iter-any
Gecode::IntArgs i(4, 1, 2, 3, 4)
int n
Number of negative literals for node type.
Definition: bool-expr.cpp:238
void init(I &i)
Initialize with values from i.
Definition: values-map.hpp:100
void operator++(void)
Move iterator to next value (if possible)
Definition: values-map.hpp:112
M m
Mapping object.
Definition: values-map.hpp:54
Value iterator for mapping values of a value iterator.
Definition: values-map.hpp:49
int val(void) const
Return current value.
Definition: values-map.hpp:130
bool operator()(void) const
Test whether iterator is still at a value or done.
Definition: values-map.hpp:124
I i
Input iterator.
Definition: values-map.hpp:52
#define forceinline
Definition: config.hpp:132
Map(void)
Default constructor.
Definition: values-map.hpp:88
Gecode toplevel namespace