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relax.cpp
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4  * Christian Schulte <schulte@gecode.org>
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37 
38 #include <gecode/set.hh>
39 #include <gecode/search/relax.hh>
40 
41 namespace Gecode { namespace Set {
42 
44  class Relax {
45  public:
48  };
49 
52  SetView xv(x);
53  SetVarGlbRanges l(xv);
54  GECODE_ME_CHECK(xv.includeI(home, l));
55  SetVarLubRanges u(xv);
56  GECODE_ME_CHECK(xv.intersectI(home, u));
57  return ES_OK;
58  }
59 
60 }}
61 
62 namespace Gecode {
63 
64  void
65  relax(Home home, const SetVarArgs& x, const SetVarArgs& sx,
66  Rnd r, double p) {
67  if (x.size() != sx.size())
68  throw Set::ArgumentSizeMismatch("Set::relax");
69  if ((p < 0.0) || (p > 1.0))
70  throw Set::OutOfLimits("Set::relax");
71  Set::Relax ir;
72  Search::relax<SetVarArgs,Set::Relax>(home,x,sx,r,p,ir);
73  }
74 
75 }
76 
77 // STATISTICS: set-other
78 
NNF * l
Left subtree.
Definition: bool-expr.cpp:244
Exception: Value out of limits
Definition: exception.hpp:48
int size(void) const
Return size of array (number of elements)
Definition: array.hpp:1669
ExecStatus operator()(Home home, IntVar x, IntVar sx)
Post the actual equality for non-relaxed variables.
Definition: relax.cpp:53
int p
Number of positive literals for node type.
Definition: bool-expr.cpp:236
union Gecode::@554::NNF::@60 u
Union depending on nodetype t.
NNF * r
Right subtree.
Definition: bool-expr.cpp:246
Iterator for the greatest lower bound ranges of a set variable.
Definition: set.hh:272
ModEvent includeI(Space &home, I &i)
Include range sequence described by i in greatest lower bound.
Definition: set.hpp:155
Iterator for the least upper bound ranges of a set variable.
Definition: set.hh:304
#define GECODE_ME_CHECK(me)
Check whether modification event me is failed, and forward failure.
Definition: macros.hpp:56
ModEvent intersectI(Space &home, I &iter)
Intersect least upper bound with range sequence described by i.
Definition: set.hpp:168
Set view for set variables
Definition: view.hpp:60
Passing set variables.
Definition: set.hh:490
Class for posting equalities for non-relaxed variables.
Definition: relax.cpp:44
void relax(Home home, const FloatVarArgs &x, const FloatVarArgs &sx, Rnd r, double p)
Definition: relax.cpp:61
Node * x
Pointer to corresponding Boolean expression node.
Definition: bool-expr.cpp:253
Set variables
Definition: set.hh:129
ExecStatus
Definition: core.hpp:536
#define forceinline
Definition: config.hpp:173
Execution is okay.
Definition: core.hpp:540
Gecode toplevel namespace
Random number generator.
Definition: rnd.hpp:46
Home class for posting propagators
Definition: core.hpp:905
Exception: Arguments are of different size
Definition: exception.hpp:77