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values-offset.hpp
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3  * Main authors:
4  * Christian Schulte <schulte@gecode.org>
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7  * Christian Schulte, 2007
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33 
34 namespace Gecode { namespace Iter { namespace Values {
35 
41  template<class I>
42  class Offset {
43  protected:
45  I i;
47  int c;
48  public:
50 
51  Offset(void);
54  Offset(I& i, int c);
56  void init(I& i, int c);
58 
60 
61  bool operator ()(void) const;
64  void operator ++(void);
66 
68 
69  int val(void) const;
72  };
73 
74 
75  template<class I>
78 
79  template<class I>
80  forceinline void
81  Offset<I>::init(I& i0, int c0) {
82  i = i0; c = c0;
83  }
84 
85  template<class I>
87  Offset<I>::Offset(I& i0, int c0) : i(i0), c(c0) {}
88 
89  template<class I>
90  forceinline void
92  ++i;
93  }
94  template<class I>
95  forceinline bool
96  Offset<I>::operator ()(void) const {
97  return i();
98  }
99 
100  template<class I>
101  forceinline int
102  Offset<I>::val(void) const {
103  return i.val()+c;
104  }
105 
106 }}}
107 
108 // STATISTICS: iter-any
109 
void operator++(void)
Move iterator to next value (if possible)
Gecode toplevel namespace
void init(I &i, int c)
Initialize with values from i and offset c.
bool operator()(void) const
Test whether iterator is still at a value or done.
Offset(void)
Default constructor.
Value iterator for pointwise offset (by some constant)
int val(void) const
Return current value.
I i
Input iterator.
#define forceinline
Definition: config.hpp:185
Gecode::FloatVal c(-8, 8)
Gecode::IntArgs i({1, 2, 3, 4})
int c
Offset for ranges.