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channel.cpp
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1 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
2 /*
3  * Main authors:
4  * Denys Duchier <denys.duchier@univ-orleans.fr>
5  * Guido Tack <tack@gecode.org>
6  * Christian Schulte <schulte@gecode.org>
7  *
8  * Copyright:
9  * Denys Duchier, 2011
10  * Guido Tack, 2004
11  * Christian Schulte, 2004
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
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37 
38 #include <gecode/set.hh>
39 
40 #include <gecode/set/channel.hh>
41 
42 namespace Gecode {
43 
44  void
47  ViewArray<Int::IntView> xa(home,x);
49  }
50 
51  void
52  channel(Home home, const IntVarArgs& x, const SetVarArgs& y) {
55  for (int i=x.size(); i--;)
56  new (&xa[i]) Int::CachedView<Int::IntView>(x[i]);
58  for (int i=y.size(); i--;)
59  new (&ya[i]) Set::CachedView<Set::SetView>(y[i]);
61  }
62 
63  void
64  channel(Home home, const BoolVarArgs& x, SetVar y) {
66  ViewArray<Int::BoolView> xv(home,x);
68  ::post(home,xv,y)));
69  }
70 
71  void
72  channel(Home home, const SetVarArgs& x, const SetVarArgs& y)
73  {
75  ViewArray<Set::CachedView<Set::SetView> > xa(home, x.size());
76  for (int i=x.size(); i--;)
77  new (&xa[i]) Int::CachedView<Set::SetView>(x[i]);
78  ViewArray<Set::CachedView<Set::SetView> > ya(home, y.size());
79  for (int i=y.size(); i--;)
80  new (&ya[i]) Set::CachedView<Set::SetView>(y[i]);
82  }
83 
84 }
85 
86 // STATISTICS: set-post
Post propagator for SetVar x
Definition: set.hh:767
Post propagator for SetVar SetOpType SetVar y
Definition: set.hh:767
#define GECODE_ES_FAIL(es)
Check whether execution status es is failed, and fail space home.
Definition: macros.hpp:103
Propagator for the sorted channel constraint
Definition: channel.hh:60
Passing integer variables.
Definition: int.hh:656
void channelSorted(Home home, const IntVarArgs &x, SetVar y)
Definition: channel.cpp:45
Passing set variables.
Definition: set.hh:488
Gecode toplevel namespace
Passing Boolean variables.
Definition: int.hh:712
Home class for posting propagators
Definition: core.hpp:856
Propagator for channelling between variable-value-dual models
Definition: channel.hh:105
Propagator for successors/predecessors channelling
Definition: channel.hh:226
TFE post(PropagatorGroup g)
Only post functions (but not propagators) from g are considered.
Definition: filter.cpp:138
Set variables
Definition: set.hh:127
Propagator for channelling between set variable and its characteristic function
Definition: channel.hh:151
void channel(Home home, FloatVar x0, IntVar x1)
Post propagator for channeling a float and an integer variable .
Definition: channel.cpp:41
#define GECODE_POST
Check for failure in a constraint post function.
Definition: macros.hpp:40
Cached integer view.
Definition: view.hpp:1166
Gecode::IntArgs i({1, 2, 3, 4})