lib/fpa/Base/Functors/GaussianCost.hxx

   1 #ifndef __FPA__BASE__FUNCTORS__GAUSSIANCOST__HXX__
   2 #define __FPA__BASE__FUNCTORS__GAUSSIANCOST__HXX__
   3
   4 // -------------------------------------------------------------------------
   5 template< class _TResult >
   6 _TResult fpa::Base::Functors::GaussianCost< _TResult >::
   7 Evaluate( const _TResult& x ) const
   8 {
   9   _TResult r = _TResult( 0 );
  10   if( this->m_Model->GetNumberOfSamples( ) > this->m_SupportSize )
  11   {
  12     r = this->m_Model->SquaredMahalanobis( x );
  13     if( r <= _TResult( 1 ) )
  14       this->m_Model->AddSample( x );
  15   }
  16   else
  17   {
  18     this->m_Model->AddSample( x );
  19     if( this->m_Model->GetNumberOfSamples( ) > 2 )
  20       r = this->m_Model->SquaredMahalanobis( x );
  21
  22   } // fi
  23   if( r < this->m_MinimumCost )
  24     return( this->m_MinimumCost );
  25   else
  26     return( r );
  27 }
  28
  29 // -------------------------------------------------------------------------
  30 template< class _TResult >
  31 fpa::Base::Functors::GaussianCost< _TResult >::
  32 GaussianCost( )
  33   : Superclass( ),
  34     m_SupportSize( 30 ),
  35     m_MinimumCost( _TResult( 1e-10 ) )
  36 {
  37   this->m_Model = TModel::New( );
  38 }
  39
  40 // -------------------------------------------------------------------------
  41 template< class _TResult >
  42 fpa::Base::Functors::GaussianCost< _TResult >::
  43 ~GaussianCost( )
  44 {
  45 }
  46
  47 #endif // __FPA__BASE__FUNCTORS__GAUSSIANCOST__HXX__
  48
  49 // eof - $RCSfile$