Generated on Sun Aug 26 2012 08:43:20 for Gecode by doxygen 1.8.1.1
atmostOne.hpp
Go to the documentation of this file.
1 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
2 /*
3  * Main authors:
4  * Guido Tack <tack@gecode.org>
5  *
6  * Copyright:
7  * Guido Tack, 2004
8  *
9  * Last modified:
10  * $Date: 2009-10-13 02:36:53 +1100 (Tue, 13 Oct 2009) $ by $Author: schulte $
11  * $Revision: 9878 $
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 Set { namespace Distinct {
39 
40  /*
41  * "AtMostOneIntersection" propagator
42  *
43  */
44 
47  : NaryPropagator<SetView, PC_SET_ANY>(home,x), c(_c) {}
48 
50  AtmostOne::AtmostOne(Space& home, bool share, AtmostOne& p)
51  : NaryPropagator<SetView, PC_SET_ANY>(home,share,p), c(p.c) {}
52 
54  AtmostOne::post(Home home, ViewArray<SetView> x, unsigned int c) {
55  for (int i=x.size(); i--;) {
56  GECODE_ME_CHECK(x[i].cardMin(home, c));
57  GECODE_ME_CHECK(x[i].cardMax(home, c));
58  }
59 
60  (void) new (home) AtmostOne(home,x,c);
61  return ES_OK;
62  }
63 
64 }}}
65 
66 // STATISTICS: set-prop