text: /*
    Copyright 2008 Intel Corporation
   
    Use, modification and distribution are subject to the Boost Software License,
    Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
    http://www.boost.org/LICENSE_1_0.txt).
  */
  #ifndef BOOST_POLYGON_INTERVAL_DATA_HPP
  #define BOOST_POLYGON_INTERVAL_DATA_HPP
  #include "isotropy.hpp"
  namespace boost { namespace polygon{
    template <typename T>
    class interval_data {
    public:
      typedef T coordinate_type;
      inline interval_data()
  #ifndef BOOST_POLYGON_MSVC 
        :coords_() 
  #endif 
      {} 
      inline interval_data(coordinate_type low, coordinate_type high)
  #ifndef BOOST_POLYGON_MSVC 
        :coords_() 
  #endif 
      {
        coords_[LOW] = low; coords_[HIGH] = high; 
      }
      inline interval_data(const interval_data& that)
  #ifndef BOOST_POLYGON_MSVC 
        :coords_() 
  #endif 
      {
        (*this) = that; 
      }
      inline interval_data& operator=(const interval_data& that) {
        coords_[0] = that.coords_[0]; coords_[1] = that.coords_[1]; return *this; 
      }
      template <typename T2>
      inline interval_data& operator=(const T2& rvalue);
      inline coordinate_type get(direction_1d dir) const {
        return coords_[dir.to_int()]; 
      }
      inline coordinate_type low() const { return coords_[0]; }
      inline coordinate_type high() const { return coords_[1]; }
      inline bool operator==(const interval_data& that) const {
        return low() == that.low() && high() == that.high(); }
      inline bool operator!=(const interval_data& that) const {
        return low() != that.low() || high() != that.high(); }
      inline bool operator<(const interval_data& that) const {
        if(coords_[0] < that.coords_[0]) return true;
        if(coords_[0] > that.coords_[0]) return false;
        if(coords_[1] < that.coords_[1]) return true;
        return false;
      }
      inline bool operator<=(const interval_data& that) const { return !(that < *this); }
      inline bool operator>(const interval_data& that) const { return that < *this; }
      inline bool operator>=(const interval_data& that) const { return !((*this) < that); }
    inline void set(direction_1d dir, coordinate_type value) {
      coords_[dir.to_int()] = value; 
    }
  private:
    coordinate_type coords_[2]; 
  };
  
  }
  }
  #endif
  