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values-unique.hpp
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33 
34 namespace Gecode { namespace Iter { namespace Values {
35 
45  template<class I>
46  class Unique {
47  protected:
49  I i;
50  public:
52 
53  Unique(void);
56  Unique(I& i);
58  void init(I& i);
60 
62 
63  bool operator ()(void) const;
66  void operator ++(void);
68 
70 
71  int val(void) const;
74  };
75 
76  template<class I>
79 
80  template<class I>
83  : i(i0) {}
84 
85  template<class I>
86  forceinline void
87  Unique<I>::init(I& i0) {
88  i = i0;
89  }
90 
91  template<class I>
92  forceinline void
94  int n=i;
95  do {
96  ++i;
97  } while (i() && (i.val() == n));
98  }
99  template<class I>
100  forceinline bool
102  return i();
103  }
104 
105  template<class I>
106  forceinline int
107  Unique<I>::val(void) const {
108  return i.val();
109  }
110 
111 }}}
112 
113 // STATISTICS: iter-any
114 
int n
Number of negative literals for node type.
Definition: bool-expr.cpp:234
Remove duplicate values from from value iterator.
void operator++(void)
Move iterator to next unique value (if possible)
bool operator()(void) const
Test whether iterator is still at a value or done.
Unique(void)
Default constructor.
int val(void) const
Return current value.
I i
Value iterator used.
void init(I &i)
Initialize with value iterator i.
Gecode::IntArgs i({1, 2, 3, 4})
#define forceinline
Definition: config.hpp:192