ghmm_computation.h

一个通用的隐性马尔可夫C代码库 开发环境:C语言 简要说明:这是一个通用的隐性马尔可夫C代码库

/*
  created: 
  authors: 
  file   : $Source: /cvsroot/ghmm/ghmm/ghmm++/GHMM_Computation.h,v $
  $Id: GHMM_Computation.h,v 1.1 2003/04/24 17:23:54 wasinee Exp $

  Copyright (C) 1998-2001, ZAIK/ZPR, Universit鋞 zu K鰈n
  
  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version.
  
  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
  
  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  
*/


#include <ghmm/sdmodel.h>
#include <ghmm++/begin_code.h>

#include <vector>

#ifdef HAVE_NAMESPACES
namespace std {
#endif

class Viterbi {
private:  
  enum DFSFLAG { DONE, NOTVISITED, VISITED };

  double ***log_in_a;
  double **log_b;
  double *phi;
  double *phi_new;
  int    **psi;
  vector<int>  stateind;

  DFSFLAG *colors;
  int     *doneTime;
  vector<int>  topo_order;

  
public:
  int    *state_seq;

  Viterbi() 
  {
    log_in_a = NULL;
    log_b    = NULL;
    psi      = NULL;
  }

  ~Viterbi();

  Viterbi( sdmodel *mo, int len);

  void Viterbi_precompute( sdmodel *mo, int *o, int len);

  /** Return the log score of the sequence */
  double Viterbi_runme          ( sdmodel *mo, int *o, int len);
  double Viterbi_runme_silent   ( sdmodel *mo, int *o, int len);

  void   print_path      (int len, char *ts);

  void  DFSVisit( sdmodel *mo, int j, int &counter);
  void  DFS( sdmodel *mo );

};

#ifdef HAVE_NAMESPACES
}
#endif

#include <ghmm++/close_code.h>

/* _GHMM_VITERBI_H */