Generated on Sat Feb 7 2015 02:01:27 for Gecode by doxygen 1.8.9.1
branch-tiebreak.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, 2012
8  *
9  * Last modified:
10  * $Date: 2013-02-08 16:47:00 +0100 (Fri, 08 Feb 2013) $ by $Author: schulte $
11  * $Revision: 13278 $
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 
41  template<class VarBranch>
42  class TieBreak {
43  public:
45  VarBranch a, b, c, d;
48  VarBranch b0 = VarBranch(),
49  VarBranch c0 = VarBranch(),
50  VarBranch d0 = VarBranch());
51  };
52 
59  template<class VarBranch>
64  template<class VarBranch>
68  template<class VarBranch>
72 
73 
74  template<class VarBranch>
77  VarBranch b0,
78  VarBranch c0,
79  VarBranch d0)
80  : a(a0), b(b0), c(c0), d(d0) {}
81 
82  template<class VarBranch>
85  TieBreak<VarBranch> ab(a,b);
86  return ab;
87  }
88 
89  template<class VarBranch>
90  forceinline TieBreak<VarBranch>
92  TieBreak<VarBranch> abc(a,b,c);
93  return abc;
94  }
95 
96  template<class VarBranch>
97  forceinline TieBreak<VarBranch>
99  TieBreak<VarBranch> abcd(a,b,c,d);
100  return abcd;
101  }
102 
103 }
104 
105 // STATISTICS: kernel-branch
Combine variable selection criteria for tie-breaking.
TieBreak< VarBranch > tiebreak(VarBranch a, VarBranch b)
Combine variable selection criteria a and b for tie-breaking.
Variable branching information.
Definition: branch-var.hpp:55
#define forceinline
Definition: config.hpp:132
VarBranch a
Branching criteria to try in order.
TieBreak(VarBranch a0=VarBranch(), VarBranch b0=VarBranch(), VarBranch c0=VarBranch(), VarBranch d0=VarBranch())
Initialize with variable selection criteria.
Gecode toplevel namespace