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unshare.cpp
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2 /*
3  * Main authors:
4  * Christian Schulte <schulte@gecode.org>
5  *
6  * Copyright:
7  * Christian Schulte, 2008
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10  * $Date: 2010-04-08 12:35:31 +0200 (Thu, 08 Apr 2010) $ by $Author: schulte $
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37 
38 #include "test/int.hh"
39 
40 #include <gecode/minimodel.hh>
41 
42 namespace Test { namespace Int {
43 
45  namespace Unshare {
46 
52  class Int : public Test {
54  public:
57  : Test("Unshare::Int::"+str(icl),9,-1,1,false,icl) {}
59  virtual bool solution(const Assignment& x) const {
60  return ((x[0] == x[3]) &&
61  (x[1] == x[4]) && (x[1] == x[6]) &&
62  (x[2] == x[5]) && (x[2] == x[7]) && (x[2] == x[8]));
63  }
65  virtual void post(Gecode::Space& home, Gecode::IntVarArray& x) {
66  using namespace Gecode;
67  IntVarArgs y(6);
68  y[0]=x[0]; y[1]=y[3]=x[1]; y[2]=y[4]=y[5]=x[2];
69  unshare(home, y, icl);
70  for (int i=0; i<6; i++)
71  rel(home, y[i], IRT_EQ, x[3+i], ICL_DOM);
72  }
73  };
74 
76  class Bool : public Test {
77  public:
79  Bool(void)
80  : Test("Unshare::Bool",9,0,1,false) {}
82  virtual bool solution(const Assignment& x) const {
83  return ((x[0] == x[3]) &&
84  (x[1] == x[4]) && (x[1] == x[6]) &&
85  (x[2] == x[5]) && (x[2] == x[7]) && (x[2] == x[8]));
86  }
88  virtual void post(Gecode::Space& home, Gecode::IntVarArray& x) {
89  using namespace Gecode;
90  BoolVarArgs y(6);
91  y[0]=channel(home,x[0]);
92  y[1]=y[3]=channel(home,x[1]);
93  y[2]=y[4]=y[5]=channel(home,x[2]);
94  unshare(home, y);
95  for (int i=0; i<6; i++)
96  rel(home, y[i], IRT_EQ, channel(home,x[3+i]));
97  }
98  };
99 
102 
105 
106  }
107 }}
108 
109 // STATISTICS: test-int
Int(Gecode::IntConLevel icl)
Create and register test.
Definition: unshare.cpp:56
IntConLevel
Consistency levels for integer propagators.
Definition: int.hh:937
void channel(Home home, FloatVar x0, IntVar x1)
Post propagator for channeling a float and an integer variable .
Definition: arithmetic.cpp:218
void unshare(Home home, BoolVarArgs &x, IntConLevel)
Replace multiple variable occurences in x by fresh variables.
Definition: unshare.cpp:139
virtual void post(Gecode::Space &home, Gecode::IntVarArray &x)
Post constraint on x.
Definition: unshare.cpp:65
Integer variable array.
Definition: int.hh:741
virtual void post(Gecode::Space &home, Gecode::IntVarArray &x)
Post constraint on x.
Definition: unshare.cpp:88
Computation spaces.
Definition: core.hpp:1362
Test for unsharing Boolean variables
Definition: unshare.cpp:76
virtual bool solution(const Assignment &x) const
Test whether x is solution
Definition: unshare.cpp:59
Bool(void)
Create and register test.
Definition: unshare.cpp:79
static std::string str(Gecode::ExtensionalPropKind epk)
Map extensional propagation kind to string.
Definition: int.hpp:212
virtual bool solution(const Assignment &x) const
Test whether x is solution
Definition: unshare.cpp:82
Gecode::IntArgs i(4, 1, 2, 3, 4)
Equality ( )
Definition: int.hh:904
Gecode::IntConLevel icl
Consistency level.
Definition: int.hh:226
Int i_dom(Gecode::ICL_DOM)
Int i_bnd(Gecode::ICL_BND)
Passing integer variables.
Definition: int.hh:636
Passing Boolean variables.
Definition: int.hh:690
General test support.
Definition: afc.cpp:43
Node * x
Pointer to corresponding Boolean expression node.
Definition: bool-expr.cpp:253
Base class for assignments
Definition: int.hh:63
void rel(Home home, FloatVar x0, FloatRelType frt, FloatVal n)
Propagates .
Definition: rel.cpp:47
Bounds propagation or consistency.
Definition: int.hh:939
Gecode toplevel namespace
Test for unsharing integer variables
Definition: unshare.cpp:53
Domain propagation or consistency.
Definition: int.hh:940