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support-values.hh
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37 
38 #ifndef __GECODE_INT_SUPPORT_VALUES_HH__
39 #define __GECODE_INT_SUPPORT_VALUES_HH__
40 
41 #include <gecode/int.hh>
42 
43 namespace Gecode { namespace Int {
44 
51  template<class View, class A>
52  class SupportValues {
53  private:
55  A& a;
57  class RangePos {
58  public:
59  int min;
60  unsigned int pos;
61  };
63  class Unsupported {
64  private:
66  RangePos* rp;
68  unsigned int p;
70  SupportValues& sv;
72  void find(void);
73  public:
75 
76  Unsupported(SupportValues& sv0);
79 
81 
82  bool operator ()(void) const;
85  void operator ++(void);
87 
89 
90  int val(void) const;
93  };
94 
96  View x;
100  RangePos* rp_fst;
102  RangePos* rp_lst;
104  RangePos* rp;
106  int v;
108  int max;
109 
111  bool _support(int n);
112  public:
114  SupportValues(A& a, View x);
116  ~SupportValues(void);
117 
119 
120  void reset(void);
123  bool operator ()(void) const;
125  void operator ++(void);
127 
129 
130  int val(void) const;
133 
135 
136  void support(void);
139  bool support(int n);
141  bool support(long long int n);
143  ModEvent tell(Space& home);
145  };
146 
147 }}
148 
150 
151 #endif
152 
153 // STATISTICS: int-prop
154 
ModEvent tell(Space &home)
Remove all unsupported values.
bool pos(const View &x)
Test whether x is postive.
Definition: mult.hpp:45
~SupportValues(void)
Destructor.
Basic bitset support.
void operator++(void)
Move iterator to next value (if possible)
int ModEvent
Type for modification events.
Definition: core.hpp:146
int val(void) const
Return current value.
SupportValues(A &a, View x)
Initialize for view x.
Computation spaces.
Definition: core.hpp:1362
int p
Number of positive literals for node type.
Definition: bool-expr.cpp:236
int n
Number of negative literals for node type.
Definition: bool-expr.cpp:238
void reset(void)
Reset iterator.
void min(Home home, FloatVar x0, FloatVar x1, FloatVar x2)
Post propagator for .
Definition: arithmetic.cpp:75
void support(void)
Mark current (iterator) value as supported.
bool operator()(void) const
Test whether iterator is still at a value or done.
Gecode toplevel namespace
Support value iterator and recorder