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ranges-values.hpp
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7  * Christian Schulte, 2004
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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 Ranges {
39 
45  template<class I>
46  class ToValues {
47  protected:
49  I i;
51  int cur;
53  int max;
55  void start(void);
56  public:
58 
59  ToValues(void);
62  ToValues(I& i);
64  void init(I& i);
66 
68 
69  bool operator ()(void) const;
72  void operator ++(void);
74 
76 
77  int val(void) const;
80  };
81 
82 
83 
84  template<class I>
87 
88  template<class I>
89  forceinline void
91  if (i()) {
92  cur = i.min(); max = i.max();
93  } else {
94  cur = 1; max = 0;
95  }
96  }
97 
98  template<class I>
101  : i(i0) {
102  start();
103  }
104 
105  template<class I>
106  forceinline void
108  i = i0;
109  start();
110  }
111 
112 
113  template<class I>
114  forceinline bool
116  return (cur <= max);
117  }
118 
119  template<class I>
120  forceinline void
122  ++cur;
123  if (cur > max) {
124  ++i;
125  if (i()) {
126  cur = i.min(); max = i.max();
127  }
128  }
129  }
130 
131  template<class I>
132  forceinline int
133  ToValues<I>::val(void) const {
134  return cur;
135  }
136 
137 }}}
138 
139 // STATISTICS: iter-any
140 
void init(I &i)
Initialize with values from range iterator i.
I i
Range iterator used.
void max(Home home, FloatVar x0, FloatVar x1, FloatVar x2)
Post propagator for .
Definition: arithmetic.cpp:57
void operator++(void)
Move iterator to next value (if possible)
Gecode::IntArgs i(4, 1, 2, 3, 4)
Value iterator from range iterator.
int max
End of current range.
bool operator()(void) const
Test whether iterator is still at a value or done.
void start(void)
Initialize iterator.
#define forceinline
Definition: config.hpp:132
int val(void) const
Return current value.
ToValues(void)
Default constructor.
Gecode toplevel namespace