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values-unique.hpp
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4  * Christian Schulte <schulte@gecode.org>
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7  * Christian Schulte, 2007
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10  * $Date: 2010-07-28 17:35:33 +0200 (Wed, 28 Jul 2010) $ by $Author: schulte $
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37 
38 namespace Gecode { namespace Iter { namespace Values {
39 
49  template<class I>
50  class Unique {
51  protected:
53  I i;
54  public:
56 
57  Unique(void);
60  Unique(I& i);
62  void init(I& i);
64 
66 
67  bool operator ()(void) const;
70  void operator ++(void);
72 
74 
75  int val(void) const;
78  };
79 
80  template<class I>
83 
84  template<class I>
87  : i(i0) {}
88 
89  template<class I>
90  forceinline void
91  Unique<I>::init(I& i0) {
92  i = i0;
93  }
94 
95  template<class I>
96  forceinline void
98  int n=i;
99  do {
100  ++i;
101  } while (i() && (i.val() == n));
102  }
103  template<class I>
104  forceinline bool
106  return i();
107  }
108 
109  template<class I>
110  forceinline int
111  Unique<I>::val(void) const {
112  return i.val();
113  }
114 
115 }}}
116 
117 // STATISTICS: iter-any
118 
void init(I &i)
Initialize with value iterator i.
I i
Value iterator used.
void operator++(void)
Move iterator to next unique value (if possible)
Unique(void)
Default constructor.
Gecode::IntArgs i(4, 1, 2, 3, 4)
int n
Number of negative literals for node type.
Definition: bool-expr.cpp:238
Remove duplicate values from from value iterator.
bool operator()(void) const
Test whether iterator is still at a value or done.
#define forceinline
Definition: config.hpp:132
Gecode toplevel namespace
int val(void) const
Return current value.