cpg.hpp
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- /*
- * ===========================================================================
- * PRODUCTION $Log: cpg.hpp,v $
- * PRODUCTION Revision 1000.1 2004/04/12 17:47:56 gouriano
- * PRODUCTION PRODUCTION: UPGRADED [CATCHUP_003] Dev-tree R1.6
- * PRODUCTION
- * ===========================================================================
- */
- /* $Id: cpg.hpp,v 1000.1 2004/04/12 17:47:56 gouriano Exp $
- * ===========================================================================
- *
- * PUBLIC DOMAIN NOTICE
- * National Center for Biotechnology Information
- *
- * This software/database is a "United States Government Work" under the
- * terms of the United States Copyright Act. It was written as part of
- * the author's official duties as a United States Government employee and
- * thus cannot be copyrighted. This software/database is freely available
- * to the public for use. The National Library of Medicine and the U.S.
- * Government have not placed any restriction on its use or reproduction.
- *
- * Although all reasonable efforts have been taken to ensure the accuracy
- * and reliability of the software and data, the NLM and the U.S.
- * Government do not and cannot warrant the performance or results that
- * may be obtained by using this software or data. The NLM and the U.S.
- * Government disclaim all warranties, express or implied, including
- * warranties of performance, merchantability or fitness for any particular
- * purpose.
- *
- * Please cite the author in any work or product based on this material.
- *
- * ===========================================================================
- *
- * Author: Philip Johnson
- *
- * File Description: header file for c++ cpg-finding functions
- *
- * ===========================================================================*/
- #ifndef ALGO_SEQUENCE___CPG__HPP
- #define ALGO_SEQUENCE___CPG__HPP
- #include <corelib/ncbistd.hpp>
- #include <list>
- BEGIN_NCBI_SCOPE
- /*---------------------------------------------------------------------------*/
- struct NCBI_XALGOSEQ_EXPORT SCpGIsland {
- TSeqPos m_Start;
- TSeqPos m_Stop;
- unsigned int m_CG;
- unsigned int m_A;
- unsigned int m_C;
- unsigned int m_G;
- unsigned int m_T;
- unsigned int m_N;
- };
- /*---------------------------------------------------------------------------*/
- class NCBI_XALGOSEQ_EXPORT CCpGIslands
- {
- public:
- typedef list<SCpGIsland> TIsles;
- CCpGIslands(const char* seq, TSeqPos seqLength, int window = 200,
- int minLen = 200, double GC = 0.5, double CpG = 0.6);
- void Calc(int windowSize, int minLen, double GC, double CpG);
- void MergeIslesWithin(unsigned int range);
- const TIsles& GetIsles(void) const;
-
- private:
- TIsles m_Isles;
- const char* m_Seq;
- TSeqPos m_SeqLength;
- unsigned int m_WindowSize;
- unsigned int m_MinIsleLen;
- unsigned int m_GC;
- unsigned int m_CpG;
- //prohibit copy constructor and assignment operator
- CCpGIslands(const CCpGIslands&);
- CCpGIslands& operator=(const CCpGIslands&);
- bool x_IsIsland(const SCpGIsland &isle) const;
- void x_AddPosition(TSeqPos i, SCpGIsland &isle);
- void x_RemovePosition(TSeqPos i, SCpGIsland &isle);
- void x_CalcWindowStats(SCpGIsland &isle);
- bool x_SlideToHit(SCpGIsland &isle);
- bool x_ExtendHit(SCpGIsland &isle);
- };
- ///////////////////////////////////////////////////////////////////////////////
- // PRE : none
- // POST: list of islands
- inline
- const CCpGIslands::TIsles& CCpGIslands::GetIsles(void) const
- {
- return m_Isles;
- }
- ///////////////////////////////////////////////////////////////////////////////
- // PRE : island structure filled
- // POST: whether or not we consider this to be a CpG island
- inline
- bool CCpGIslands::x_IsIsland(const SCpGIsland &isle) const
- {
- TSeqPos len = isle.m_Stop - isle.m_Start + 1;
- return ((100 * (isle.m_C + isle.m_G) > m_GC * len) &&
- ((100 * isle.m_CG * len) > (m_CpG * isle.m_C * isle.m_G)));
- }
- END_NCBI_SCOPE
- #endif /*ALGO_SEQUENCE___CPG__HPP*/
- /*===========================================================================
- * $Log: cpg.hpp,v $
- * Revision 1000.1 2004/04/12 17:47:56 gouriano
- * PRODUCTION: UPGRADED [CATCHUP_003] Dev-tree R1.6
- *
- * Revision 1.6 2003/12/12 20:19:20 ivanov
- * Rollback to 1.4
- *
- * Revision 1.5 2003/12/12 20:15:55 ivanov
- * Added unimplemented SCpGIsland:: operators < and == to avoid compilation
- * on MSVC 7
- *
- * Revision 1.4 2003/12/12 20:05:18 johnson
- * refactoring to accommodate MSVC 7
- *
- * Revision 1.3 2003/08/04 15:43:20 dicuccio
- * Modified export specifiers to be more flexible
- *
- * Revision 1.2 2003/06/17 19:44:13 dicuccio
- * Minor code reformatting. Added export specifiers
- *
- * Revision 1.1 2003/06/17 15:32:27 johnson
- * initial revision
- *
- * ===========================================================================
- */