protsetdistance.cpp

模糊聚類分析源碼。包含教學文件

/*
  
  Context       : Fuzzy Clustering Algorithms

  Author        : Frank Hoeppner, see also AUTHORS file 

  Description   : implementation of class module ProtSetDistance
                  
  History       :
    

  Comment       : 
    This file was generated automatically. DO NOT EDIT.

  Copyright     : Copyright (C) 1999-2000 Frank Hoeppner

    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
*/
/*
  The University of Applied Sciences Oldenburg/Ostfriesland/Wilhelmshaven
  hereby disclaims all copyright interests in the program package `fc' 
  (tool package for fuzzy cluster analysis) written by Frank Hoeppner.
  
  Prof. Haass, President of Vice, 2000-Mar-10
*/

#ifndef ProtSetDistance_SOURCE
#define ProtSetDistance_SOURCE

/* configuration include */
#ifdef HAVE_CONFIG_H
/*
//FILETREE_IFDEF HAVE_CONFIG_H
*/
#include "config.h"
/*
//FILETREE_ENDIF
*/
#endif



// necessary includes
#include "ProtSetDistance.hpp"

// data


// implementation
template < class ANALYSIS >
ProtSetDistance< ANALYSIS >::ProtSetDistance
  (
  Algorithm<ANALYSIS> *ap_clus_alg,
  Algorithm<ANALYSIS> *ap_alg
  )
  : mp_succ_alg(ap_alg)
  , mp_clus_alg(ap_clus_alg)
  
  {
  
  }
template < class ANALYSIS >
ProtSetDistance< ANALYSIS >::~ProtSetDistance
  (
  )
  {
  FUNCLOG("~ProtSetDistance");
  
  delete mp_succ_alg;
  }
template < class ANALYSIS >
void
ProtSetDistance< ANALYSIS >::operator()
  (
  ANALYSIS& a_analysis
  )
  {
  FUNCLOG("ProtSetDistance");
  
  link_iter i_link(a_analysis.links().begin());
  link_iter i_local_link;
  m_local_option = a_analysis.option();
  m_local_option.max_iterations() = 0;
  // clus_alg is used to define distance, turn off unsupervised mode (if any)
  m_local_option.unsupervised() = false;
  if (m_local_option.data_depth()!=FC_DEPTH_ANY) 
    m_local_option.data_depth() -= 1;
  if (m_local_option.prot_depth()!=FC_DEPTH_ANY)
    m_local_option.prot_depth() -= 1;

  for (
      typename ANALYSIS::data_iter i_data(a_analysis.data().begin());
      i_data != a_analysis.data().end();
      ++i_data
      )
    {
    m_local_option.number_features()=(*i_data).hierarchy().size();

    for (
        typename ANALYSIS::prot_iter i_prot(a_analysis.prototypes().begin());
        i_prot != a_analysis.prototypes().end();
        ++i_prot
        )
      {
      m_local_option.number_prototypes() = (*i_prot).hierarchy().size();

      adjust_set_size(m_local_links,m_local_option.number_prototypes()*
        m_local_option.number_features());
      ANALYSIS sub_analysis(&m_local_option,&(*i_data).hierarchy(),
        &(*i_prot).hierarchy(),&m_local_links);

      (*mp_clus_alg)(sub_analysis);
       
      // calculate objective function value
      i_local_link = m_local_links.begin();
      real_type d(0);
      for (int j=0;j<m_local_option.number_features();++j)
        for (int i=0;i<m_local_option.number_prototypes();++i)
          {
          d += (*i_local_link).pow_membxweight() // m_membership
             * (*i_local_link).squared_distance();
          ++i_local_link;
          }
      invariant(i_local_link==m_local_links.end(),"local link match",SOURCELOC);

      // obj-func becomes distance
      (*i_link).squared_distance() = d;

      ++i_link;
      }
    }
  invariant(i_link==a_analysis.links().end(),"link size match",SOURCELOC);

  (*mp_succ_alg)(a_analysis);
  
  }

// template instantiation



#endif // ProtSetDistance_SOURCE