pointwise_stabilizer_predicate.h

// ---------------------------------------------------------------------------
//
//  This file is part of PermLib.
//
// Copyright (c) 2009-2011 Thomas Rehn <thomas@carmen76.de>
// All rights reserved.
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// modification, are permitted provided that the following conditions
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// ---------------------------------------------------------------------------
 
 
#ifndef POINTWISESTABILIZERPREDICATE_H_
#define POINTWISESTABILIZERPREDICATE_H_
 
#include <boost/foreach.hpp>
 
namespace permlib {

template <class PERM>
class PointwiseStabilizerPredicate {
public:

        template<class InputIterator>
        PointwiseStabilizerPredicate(InputIterator begin, InputIterator end) 
                : m_toStabilize(begin, end)
        { }
        
        explicit PointwiseStabilizerPredicate(unsigned int x) 
                : m_toStabilize(1, x)
        { }

        bool operator()(const typename PERM::ptr &p) const {
                BOOST_FOREACH(unsigned long beta, m_toStabilize) {
                        if (*p / beta != beta)
                                return false;
                }
                return true;
        };
private:
        std::vector<dom_int> m_toStabilize;
};
 
}
 
#endif // -- POINTWISESTABILIZERPREDICATE_H_