permlib  0.2.9
Library for permutation computations
stabilizes_point_predicate.h
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31 
32 
33 #ifndef STABILIZESPOINTPREDICATE_H_
34 #define STABILIZESPOINTPREDICATE_H_
35 
36 #include <boost/foreach.hpp>
37 
38 namespace permlib {
39 
41 template <class PERM>
42 class StabilizesPointPredicate : public std::unary_function<unsigned long, bool> {
43 public:
45 
49  template<class InputIterator>
50  StabilizesPointPredicate(InputIterator begin, InputIterator end)
51  : m_toStabilize(begin, end)
52  { }
53 
55  bool operator()(const unsigned long beta) const {
56  BOOST_FOREACH(const PERM &p, m_toStabilize) {
57  if (p / beta != beta)
58  return false;
59  }
60  return true;
61  };
62 private:
63  std::vector<PERM> m_toStabilize;
64 };
65 
66 }
67 
68 #endif // -- STABILIZESPOINTPREDICATE_H_
predicate matching points that are stabilized by given permutations
Definition: stabilizes_point_predicate.h:42
StabilizesPointPredicate(InputIterator begin, InputIterator end)
constructor
Definition: stabilizes_point_predicate.h:50
bool operator()(const unsigned long beta) const
evaluate predicate
Definition: stabilizes_point_predicate.h:55
Definition: abstract_bsgs.h:49