permlib  0.2.6
Library for permutation computations
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include/permlib/search/classic/set_stabilizer_search.h
00001 // ---------------------------------------------------------------------------
00002 //
00003 //  This file is part of PermLib.
00004 //
00005 // Copyright (c) 2009-2011 Thomas Rehn <thomas@carmen76.de>
00006 // All rights reserved.
00007 // 
00008 // Redistribution and use in source and binary forms, with or without
00009 // modification, are permitted provided that the following conditions
00010 // are met:
00011 // 1. Redistributions of source code must retain the above copyright
00012 //    notice, this list of conditions and the following disclaimer.
00013 // 2. Redistributions in binary form must reproduce the above copyright
00014 //    notice, this list of conditions and the following disclaimer in the
00015 //    documentation and/or other materials provided with the distribution.
00016 // 3. The name of the author may not be used to endorse or promote products
00017 //    derived from this software without specific prior written permission.
00018 // 
00019 // THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
00020 // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00021 // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
00022 // IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
00023 // INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
00024 // NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
00025 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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00028 // THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00029 //
00030 // ---------------------------------------------------------------------------
00031 
00032 
00033 #ifndef CLASSIC_SET_STABILIZER_SEARCH_H_
00034 #define CLASSIC_SET_STABILIZER_SEARCH_H_
00035 
00036 #include <permlib/search/classic/backtrack_search.h>
00037 #include <permlib/predicate/setwise_stabilizer_predicate.h>
00038 
00039 namespace permlib {
00040 namespace classic {
00041 
00043 template<class BSGSIN,class TRANSRET>
00044 class SetStabilizerSearch : public BacktrackSearch<BSGSIN,TRANSRET> {
00045 public:
00046         typedef typename BacktrackSearch<BSGSIN,TRANSRET>::PERM PERM;
00047         
00049 
00053         SetStabilizerSearch(const BSGSIN& bsgs, unsigned int pruningLevelDCM);
00054         
00056 
00060         template<class InputIterator>
00061         void construct(InputIterator begin, InputIterator end);
00062 };
00063 
00064 template<class BSGSIN,class TRANSRET>
00065 SetStabilizerSearch<BSGSIN,TRANSRET>::SetStabilizerSearch(const BSGSIN& bsgs, unsigned int pruningLevelDCM) 
00066         : BacktrackSearch<BSGSIN,TRANSRET>(bsgs, pruningLevelDCM, true)
00067 { }
00068 
00069 template<class BSGSIN,class TRANSRET>
00070 template<class InputIterator>
00071 void SetStabilizerSearch<BSGSIN,TRANSRET>::construct(InputIterator begin, InputIterator end) {
00072         SetwiseStabilizerPredicate<PERM>* stabPred = new SetwiseStabilizerPredicate<PERM>(begin, end);
00073         
00074         this->m_limitLevel = stabPred->limit();
00075         this->m_limitBase = this->m_limitLevel;
00076         this->m_limitInitialized = true;
00077         
00078         BacktrackSearch<BSGSIN,TRANSRET>::construct(stabPred, false);
00079 }
00080 
00081 }
00082 }
00083 
00084 #endif // -- CLASSIC_SET_STABILIZER_SEARCH_H_