Measure.ih

#include <cstdlib>

// IMPLEMENTATION of inline methods.

// ----------------------- Standard services ------------------------------

template< typename TSet>
inline
void 
DGtal::Measure<TSet>::init(const double h, const TSet &aSet)
{
  myH = h;
  mySetSize =  aSet.size() ;
  myIsInitBefore = true;
}


template< typename TSet>
inline
typename DGtal::Measure<TSet>::Quantity
DGtal::Measure<TSet>::eval() const
{
  ASSERT(myIsInitBefore);
  ASSERT(myH > 0);

  double hd = std::pow(myH, (double)TSet::Domain::dimension);

  return mySetSize/(double)hd;
}


template < typename TSet>
inline
DGtal::Measure<TSet>::Measure()
{
  myIsInitBefore = false;
}


template < typename TSet>
inline
DGtal::Measure<TSet>::~Measure()
{
}

// Interface - public :

template < typename TSet>
inline
void
DGtal::Measure<TSet>::selfDisplay ( std::ostream & out ) const
{
  out << "[Measure] ";
  if (this->isValid())
    out << " myH="<< myH<<", mySetSize="<< mySetSize;
  else
    out <<" (not initialized)";
}

template < typename TSet>
inline
bool
DGtal::Measure<TSet>::isValid() const
{
  return myIsInitBefore;
}



// Implementation of inline functions                                        //

template < typename TSet>
inline
std::ostream&
DGtal::operator<< ( std::ostream & out, 
      const Measure<TSet> & object )
{
  object.selfDisplay( out );
  return out;
}

//                                                                           //