STK_KmmBridge.h

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/*--------------------------------------------------------------------*/
/*     Copyright (C) 2004-2016 Serge Iovleff
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU Lesser 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 Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser 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
 
    Contact : S..._DOT_I..._AT_stkpp.org (see copyright for ...)
*/
 
/*
 * Project:  stkpp::Clustering
 * created on: 23 oct. 2014
 * Author:   iovleff, S..._Dot_I..._At_stkpp_Dot_org (see copyright for ...)
 **/
 
#ifndef STK_KMMBRIDGE_H
#define STK_KMMBRIDGE_H
 
#include "STK_Kmm_s.h"
#include "STK_Kmm_sk.h"
#include "../STK_IMixtureBridge.h"
 
namespace STK
{
// forward declaration
template<int Id, class Data> class KmmBridge;
 
namespace hidden
{
template<class Data_>
struct MixtureBridgeTraits< KmmBridge< Clust::Kmm_sk_, Data_> >
{
  typedef Data_ Data;
  typedef typename Data_::Type Type;
  typedef Kmm_sk Mixture;
  typedef ModelParameters<Clust::Kmm_sk_> Parameters;
  typedef std::vector<std::pair<int,int> > MissingIndexes;
  typedef std::vector< std::pair<std::pair<int,int>, Type > > MissingValues;
  // class of mixture
  enum
  {
    idMixtureClass_ = Clust::Kmm_
  };
};
 
template<class Data_>
struct MixtureBridgeTraits< KmmBridge< Clust::Kmm_s_, Data_> >
{
  typedef Data_ Data;
  typedef typename Data_::Type Type;
  typedef Kmm_s Mixture;
  typedef ModelParameters<Clust::Kmm_s_> Parameters;
  typedef std::vector<std::pair<int,int> > MissingIndexes;
  typedef std::vector< std::pair<std::pair<int,int>, Type > > MissingValues;
  // class of mixture
  enum
  {
    idMixtureClass_ = Clust::Kmm_
  };
};
 
} // namespace hidden
 
} // namespace STK
 
namespace STK
{
template<int Id, class Data>
class KmmBridge: public IMixtureBridge< KmmBridge<Id,Data> >
{
  public:
    typedef IMixtureBridge< KmmBridge<Id,Data> > Base;
    typedef typename hidden::MixtureBridgeTraits< KmmBridge<Id,Data> >::Mixture Mixture;
    typedef typename hidden::MixtureBridgeTraits< KmmBridge<Id,Data> >::Parameters Parameters;
    typedef typename Data::Type Type;
 
    // parameters type to get
    using Base::mixture_;
    using Base::p_tik;
    using Base::p_tk;
 
    KmmBridge( Data* p_dataij, String const& idData, int nbCluster)
             : Base( p_dataij, idData, nbCluster)
    { initializeBridge();}
    KmmBridge( KmmBridge const& bridge): Base(bridge) { initializeBridge();}
    virtual ~KmmBridge() {}
    virtual KmmBridge* clone() const { return new KmmBridge(*this);}
    virtual KmmBridge* create() const
    {
      KmmBridge* p_bridge = new KmmBridge( mixture_, this->idData(), this->nbCluster());
      p_bridge->setDim(mixture_.param().dim_);
      p_bridge->setKernel(mixture_.p_kernel());
      return p_bridge;
    }
    inline void setDim(Real const& dim) { mixture_.setDim(dim);}
    template<class Vector>
    inline void setDim(ExprBase<Vector> const& dim)
    {
      STK_STATIC_ASSERT_ONE_DIMENSION_ONLY(Vector);
      mixture_.setDim(dim.asDerived());
    }
    inline void setKernel(Kernel::IKernel const* p_kernel) { mixture_.setKernel(p_kernel);}
 
    virtual void imputationStep() {}
    virtual void samplingStep() {}
 
    Type safeValue( int j) const { return Type();}
 
  private:
    void initializeBridge() {}
    KmmBridge( Mixture const& mixture, String const& idData, int nbCluster)
             : Base( mixture, idData, nbCluster)
    {}
};
 
} // namespace STK
 
#endif /* STK_KMMBRIDGE_H */