Generated on Thu Feb 21 2013 23:11:45 for Gecode by doxygen 1.8.3.1
precede.cpp
Go to the documentation of this file.
1 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
2 /*
3  * Main authors:
4  * Christopher Mears <Chris.Mears@monash.edu>
5  *
6  * Contributing authors:
7  * Christian Schulte <schulte@gecode.org>
8  *
9  * Copyright:
10  * Christopher Mears, 2011
11  * Christian Schulte, 2011
12  *
13  * Last modified:
14  * $Date: 2011-07-01 00:20:54 +1000 (Fri, 01 Jul 2011) $ by $Author: schulte $
15  * $Revision: 12138 $
16  *
17  * This file is part of Gecode, the generic constraint
18  * development environment:
19  * http://www.gecode.org
20  *
21  * Permission is hereby granted, free of charge, to any person obtaining
22  * a copy of this software and associated documentation files (the
23  * "Software"), to deal in the Software without restriction, including
24  * without limitation the rights to use, copy, modify, merge, publish,
25  * distribute, sublicense, and/or sell copies of the Software, and to
26  * permit persons to whom the Software is furnished to do so, subject to
27  * the following conditions:
28  *
29  * The above copyright notice and this permission notice shall be
30  * included in all copies or substantial portions of the Software.
31  *
32  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
33  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
34  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
35  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
36  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
37  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
38  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
39  *
40  */
41 
42 #include <gecode/int/precede.hh>
43 
44 namespace Gecode {
45 
46  void
47  precede(Home home, const IntVarArgs& x, int s, int t, IntConLevel) {
48  using namespace Int;
49  Limits::check(s,"Int::precede");
50  Limits::check(t,"Int::precede");
51  if (home.failed()) return;
52 
53  ViewArray<IntView> y(home, x);
55  }
56 
57  void
58  precede(Home home, const IntVarArgs& x, const IntArgs& c, IntConLevel) {
59  using namespace Int;
60  for (int i=c.size(); i--; )
61  Limits::check(c[i],"Int::precede");
62  if (home.failed()) return;
63 
64  for (int i=c.size()-1; i--; ) {
65  ViewArray<IntView> y(home, x);
66  GECODE_ES_FAIL(Precede::Single<IntView>::post(home, y, c[i], c[i+1]));
67  }
68  }
69 
70 }
71 
72 // STATISTICS: int-post
73