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values-offset.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 
45  template<class I>
46  class Offset {
47  protected:
49  I i;
51  int c;
52  public:
54 
55  Offset(void);
58  Offset(I& i, int c);
60  void init(I& i, int c);
62 
64 
65  bool operator ()(void) const;
68  void operator ++(void);
70 
72 
73  int val(void) const;
76  };
77 
78 
79  template<class I>
82 
83  template<class I>
84  forceinline void
85  Offset<I>::init(I& i0, int c0) {
86  i = i0; c = c0;
87  }
88 
89  template<class I>
91  Offset<I>::Offset(I& i0, int c0) : i(i0), c(c0) {}
92 
93  template<class I>
94  forceinline void
96  ++i;
97  }
98  template<class I>
99  forceinline bool
101  return i();
102  }
103 
104  template<class I>
105  forceinline int
106  Offset<I>::val(void) const {
107  return i.val()+c;
108  }
109 
110 }}}
111 
112 // STATISTICS: iter-any
113 
void operator++(void)
Move iterator to next value (if possible)
Gecode::FloatVal c(-8, 8)
Gecode::IntArgs i(4, 1, 2, 3, 4)
void init(I &i, int c)
Initialize with values from i and offset c.
int c
Offset for ranges.
#define forceinline
Definition: config.hpp:132
Offset(void)
Default constructor.
Gecode toplevel namespace
Value iterator for pointwise offset (by some constant)
bool operator()(void) const
Test whether iterator is still at a value or done.
int val(void) const
Return current value.