set_image_search.h

// ---------------------------------------------------------------------------
//
//  This file is part of PermLib.
//
// Copyright (c) 2009-2011 Thomas Rehn <thomas@carmen76.de>
// All rights reserved.
// 
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 1. Redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
//    notice, this list of conditions and the following disclaimer in the
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// 3. The name of the author may not be used to endorse or promote products
//    derived from this software without specific prior written permission.
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// ---------------------------------------------------------------------------
 
 
#ifndef CLASSIC_SET_IMAGE_SEARCH_H_
#define CLASSIC_SET_IMAGE_SEARCH_H_
 
#include <permlib/search/classic/backtrack_search.h>
#include <permlib/predicate/set_image_predicate.h>
 
namespace permlib {
namespace classic {


template<class BSGSIN,class TRANSRET>
class SetImageSearch : public BacktrackSearch<BSGSIN,TRANSRET> {
public:
        typedef typename BacktrackSearch<BSGSIN,TRANSRET>::PERM PERM;
        

        SetImageSearch(const BSGSIN& bsgs, unsigned int pruningLevelDCM);
        

        template<class InputIterator>
        void construct(InputIterator begin, InputIterator end, InputIterator beginImg, InputIterator endImg);
};
 
template<class BSGSIN,class TRANSRET>
SetImageSearch<BSGSIN,TRANSRET>::SetImageSearch(const BSGSIN& bsgs, unsigned int pruningLevelDCM) 
        : BacktrackSearch<BSGSIN,TRANSRET>(bsgs, pruningLevelDCM, false, true)
{ }
 
template<class BSGSIN,class TRANSRET>
template<class InputIterator>
void SetImageSearch<BSGSIN,TRANSRET>::construct(InputIterator begin, InputIterator end, InputIterator beginImg, InputIterator endImg) {
        SetImagePredicate<PERM>* stabPred = new SetImagePredicate<PERM>(begin, end, beginImg, endImg);
        
        this->m_limitLevel = stabPred->limit();
        this->m_limitBase = this->m_limitLevel;
        this->m_limitInitialized = true;
        
        BacktrackSearch<BSGSIN,TRANSRET>::construct(stabPred, false);
}
 
}
}
 
#endif // -- CLASSIC_SET_IMAGE_SEARCH_H_