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cardinality.cpp
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1 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
2 /*
3  * Main authors:
4  * Gabor Szokoli <szokoli@gecode.org>
5  * Guido Tack <tack@gecode.org>
6  * Christian Schulte <schulte@gecode.org>
7  *
8  * Copyright:
9  * Gabor Szokoli, 2004
10  * Guido Tack, 2004
11  * Christian Schulte, 2004
12  *
13  * Last modified:
14  * $Date: 2013-02-27 16:45:34 +0100 (Wed, 27 Feb 2013) $ by $Author: schulte $
15  * $Revision: 13424 $
16  *
17  * This file is part of Gecode, the generic constraint
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19  * http://www.gecode.org
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41 
42 #include <gecode/set.hh>
43 #include <gecode/set/int.hh>
44 
45 namespace Gecode {
46 
47  void
48  cardinality(Home home, SetVar x, unsigned int i, unsigned int j) {
49  Set::Limits::check(i, "Set::cardinality");
50  Set::Limits::check(j, "Set::cardinality");
51  if (home.failed()) return;
52  Set::SetView _x(x);
53  GECODE_ME_FAIL(_x.cardMin(home, i));
54  GECODE_ME_FAIL(_x.cardMax(home, j));
55  }
56 
57  void
58  cardinality(Home home, const SetVarArgs& x, unsigned int i, unsigned int j) {
59  Set::Limits::check(i, "Set::cardinality");
60  Set::Limits::check(j, "Set::cardinality");
61  if (home.failed()) return;
62  for (int k=x.size(); k--; ) {
63  Set::SetView _x(x[k]);
64  GECODE_ME_FAIL(_x.cardMin(home, i));
65  GECODE_ME_FAIL(_x.cardMax(home, j));
66  }
67  }
68 
69  void
71  if (home.failed()) return;
73  }
74 
75 }
76 
77 // STATISTICS: set-post