Filtered2x2DetComputer.h

 
#pragma once

 
#if defined(Filtered2x2DetComputer_RECURSES)
#error Recursive header files inclusion detected in Filtered2x2DetComputer.h
#else // defined(Filtered2x2DetComputer_RECURSES)
#define Filtered2x2DetComputer_RECURSES
 
#if !defined Filtered2x2DetComputer_h
#define Filtered2x2DetComputer_h

// Inclusions
#include <iostream>
#include "DGtal/base/Common.h"
 
#include "DGtal/geometry/tools/determinant/C2x2DetComputer.h"
 
namespace DGtal
{

  // template class Filtered2x2DetComputer
  template <typename TDetComputer>
  class Filtered2x2DetComputer
  {
    // ----------------------- Types  ------------------------------------
  public:
    BOOST_CONCEPT_ASSERT(( C2x2DetComputer<TDetComputer> ));

    typedef typename TDetComputer::ArgumentInteger ArgumentInteger;
    //NB. TDetComputer should take input coefficients of type float, double or long double
    //this type must adhere to IEC-559 / IEEE-754 standard.
    BOOST_STATIC_ASSERT(( std::numeric_limits<ArgumentInteger>::is_iec559 ));

    typedef ArgumentInteger Integer;
    typedef ArgumentInteger argument_type;

    typedef typename TDetComputer::ResultInteger ResultInteger;
    typedef ResultInteger Value;
    typedef ResultInteger result_type;
 
    // ----------------------- Standard services ------------------------------
  public:

    void init(const ArgumentInteger& aA, const ArgumentInteger& aB);

    ResultInteger operator()(const ArgumentInteger& aX, const ArgumentInteger& aY) const;

    ResultInteger operator()(const ArgumentInteger& aA, const ArgumentInteger& aB,
                             const ArgumentInteger& aX, const ArgumentInteger& aY);
 
    // ----------------------- Interface --------------------------------------
  public:

    void selfDisplay ( std::ostream & out ) const;

    bool isValid() const;
 
    // ------------------------- Protected Data ------------------------------
  private:
    // ------------------------- Private Data --------------------------------
  private:

    ArgumentInteger myA;
    ArgumentInteger myB;
    mutable TDetComputer myDetComputer;
 
    // ------------------------- Internals ------------------------------------
  private:
 
  }; // end of class Filtered2x2DetComputer
 

  template <typename T>
  std::ostream&
  operator<< ( std::ostream & out, const Filtered2x2DetComputer<T> & object );
 
} // namespace DGtal
 

// Includes inline functions.
#include "DGtal/geometry/tools/determinant/Filtered2x2DetComputer.ih"
 
//                                                                           //
 
#endif // !defined Filtered2x2DetComputer_h
 
#undef Filtered2x2DetComputer_RECURSES
#endif // else defined(Filtered2x2DetComputer_RECURSES)