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relax.cpp
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4  * Christian Schulte <schulte@gecode.org>
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7  * Christian Schulte, 2016
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10  * $Date: 2016-10-25 12:52:26 +0200 (Tue, 25 Oct 2016) $ by $Author: schulte $
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37 
38 #include <gecode/float.hh>
39 #include <gecode/search/relax.hh>
40 
41 namespace Gecode { namespace Float {
42 
44  class Relax {
45  public:
48  };
49 
52  FloatView xv(x);
53  return me_failed(xv.eq(home,sx.val())) ? ES_FAILED : ES_OK;
54  }
55 
56 }}
57 
58 namespace Gecode {
59 
60  void
61  relax(Home home, const FloatVarArgs& x, const FloatVarArgs& sx,
62  Rnd r, double p) {
63  if (x.size() != sx.size())
64  throw Float::ArgumentSizeMismatch("Float::relax");
65  if ((p < 0.0) || (p > 1.0))
66  throw Float::OutOfLimits("Float::relax");
67  Float::Relax fr;
68  Search::relax<FloatVarArgs,Float::Relax>(home,x,sx,r,p,fr);
69  }
70 
71 }
72 
73 // STATISTICS: float-other
74 
Class for posting equalities for non-relaxed variables.
Definition: relax.cpp:44
int size(void) const
Return size of array (number of elements)
Definition: array.hpp:1669
Exception: Value out of limits
Definition: exception.hpp:50
Passing float variables.
Definition: float.hh:981
FloatVal val(void) const
Return assigned value.
Definition: float.hpp:57
ModEvent eq(Space &home, int n)
Restrict domain values to be equal to n.
Definition: float.hpp:135
int p
Number of positive literals for node type.
Definition: bool-expr.cpp:236
Execution has resulted in failure.
Definition: core.hpp:542
Float view for float variables.
Definition: view.hpp:56
Post propagator for SetVar SetOpType SetVar SetRelType r
Definition: set.hh:784
void relax(Home home, const FloatVarArgs &x, const FloatVarArgs &sx, Rnd r, double p)
Definition: relax.cpp:61
ExecStatus
Definition: core.hpp:540
#define forceinline
Definition: config.hpp:173
Exception: Arguments are of different size
Definition: exception.hpp:71
Post propagator for SetVar x
Definition: set.hh:784
Execution is okay.
Definition: core.hpp:544
Float variables.
Definition: float.hh:874
Gecode toplevel namespace
Random number generator.
Definition: rnd.hpp:46
Home class for posting propagators
Definition: core.hpp:922
ExecStatus operator()(Home home, FloatVar x, FloatVar sx)
Post the actual equality for non-relaxed variables.
Definition: relax.cpp:51
bool me_failed(ModEvent me)
Check whether modification event me is failed.
Definition: modevent.hpp:58