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seq.cpp
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1 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
2 /*
3  * Main authors:
4  * Guido Tack <tack@gecode.org>
5  * Christian Schulte <schulte@gecode.org>
6  *
7  * Contributing authors:
8  * Gabor Szokoli <szokoli@gecode.org>
9  *
10  * Copyright:
11  * Guido Tack, 2004
12  * Christian Schulte, 2004
13  * Gabor Szokoli, 2004
14  *
15  * Last modified:
16  * $Date: 2010-03-04 03:32:21 +1100 (Thu, 04 Mar 2010) $ by $Author: schulte $
17  * $Revision: 10364 $
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43 
44 #include <gecode/set/sequence.hh>
45 
46 namespace Gecode { namespace Set { namespace Sequence {
47 
48  /*
49  * "Sequence" propagator
50  *
51  */
52 
53  Actor*
54  Seq::copy(Space& home, bool share) {
55  return new (home) Seq(home,share,*this);
56  }
57 
60  bool modified = false;
61  bool assigned;
62  do {
63  assigned = false; modified = false;
64  GECODE_ES_CHECK(propagateSeq(home, modified, assigned, x));
65  } while (assigned || modified);
66 
67  for (int i=x.size(); i--;)
68  if (!x[i].assigned())
69  return ES_FIX;
70 
71  return home.ES_SUBSUMED(*this);
72  }
73 
74 }}}
75 
76 // STATISTICS: set-prop