L1LengthEstimator.ih

#include <cstdlib>

// IMPLEMENTATION of inline methods.

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

template <typename T>
inline
DGtal::L1LengthEstimator<T>::L1LengthEstimator()
{
  myIsInitBefore = false;
}

template <typename T>
inline
DGtal::L1LengthEstimator<T>::~L1LengthEstimator()
{
}



// Interface - public :



template <typename T>
inline
void
DGtal::L1LengthEstimator<T>::init(const double h, 
                                  const ConstIterator& itb, 
                                  const ConstIterator& ite)
{
  myH = h;
  myBeginIt = itb;
  myEndIt = ite;
  myIsInitBefore = true;
}

template <typename T>
inline
typename DGtal::L1LengthEstimator<T>::Quantity
DGtal::L1LengthEstimator<T>::eval() const
{
  ASSERT(myH > 0);
  ASSERT(myIsInitBefore);
  
  Quantity val = 0;
  
  if ( DGtal::isNotEmpty(myBeginIt,myEndIt) )
    {
      ConstIterator i = myBeginIt;
      do
        {
          val += 1.0;
          ++i;
        } 
      while (i != myEndIt);
    }
  

  return val*myH;
}





template <typename T>
inline
void
DGtal::L1LengthEstimator<T>::selfDisplay ( std::ostream & out ) const
{
  out << "[L1LengthEstimator]";
  if (myIsInitBefore) 
    out <<" myH="<<myH;
  else
    out<< " not initialized";
}

template <typename T>
inline
bool
DGtal::L1LengthEstimator<T>::isValid() const
{
    return myIsInitBefore;
}



// Implementation of inline functions                                        //

template <typename T>
inline
std::ostream&
DGtal::operator<< ( std::ostream & out, 
      const L1LengthEstimator<T> & object )
{
  object.selfDisplay( out );
  return out;
}

//                                                                           //