CPolarPointComparator2D.h

 
#pragma once
 
#if defined(CPolarPointComparator2D_RECURSES)
#error Recursive header files inclusion detected in CPolarPointComparator2D.h
#else // defined(CPolarPointComparator2D_RECURSES)
#define CPolarPointComparator2D_RECURSES
 
#if !defined CPolarPointComparator2D_h
#define CPolarPointComparator2D_h
 
// Inclusions
#include <iostream>
#include "DGtal/base/Common.h"
 
namespace DGtal
{
 namespace concepts
 {
  // class CPolarPointComparator2D
  template <typename T>
  struct CPolarPointComparator2D
    : boost::DefaultConstructible<T>, boost::CopyConstructible<T>, boost::Assignable<T>
  {
    // ----------------------- Concept checks ------------------------------
  public:
    typedef typename T::Point Point; 
 
    BOOST_CONCEPT_USAGE( CPolarPointComparator2D )
    {
      myX.setPole( myP ); 
 
      checkConstConstraints();
    }
    void checkConstConstraints() const
    {
      // const method dummyConst should take parameter myA of type A and return
      // something of type B
      concepts::ConceptUtils::sameType( myB, myX( myP, myP ) );
    }
    // ------------------------- Private Datas --------------------------------
  private:
    T myX; // do not require T to be default constructible.
    Point myP;
    bool myB; 
 
 
  }; // end of concept CPolarPointComparator2D
 }
} // namespace DGtal
 
//                                                                           //
 
#endif // !defined CPolarPointComparator2D_h
 
#undef CPolarPointComparator2D_RECURSES
#endif // else defined(CPolarPointComparator2D_RECURSES)