0b6a182c
 Hu Chunming
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// Boost.Polygon library interval_data.hpp header file
// Copyright (c) Intel Corporation 2008.
// Copyright (c) 2008-2012 Simonson Lucanus.
// Copyright (c) 2012-2012 Andrii Sydorchuk.
// See http://www.boost.org for updates, documentation, and revision history.
// Use, modification and distribution is 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"
#include "interval_concept.hpp"
namespace boost {
namespace polygon {
template <typename T>
class interval_data {
public:
typedef T coordinate_type;
interval_data()
#ifndef BOOST_POLYGON_MSVC
: coords_()
#endif
{}
interval_data(coordinate_type low, coordinate_type high) {
coords_[LOW] = low;
coords_[HIGH] = high;
}
interval_data(const interval_data& that) {
coords_[0] = that.coords_[0];
coords_[1] = that.coords_[1];
}
interval_data& operator=(const interval_data& that) {
coords_[0] = that.coords_[0];
coords_[1] = that.coords_[1];
return *this;
}
template <typename IntervalType>
interval_data& operator=(const IntervalType& that) {
assign(*this, that);
return *this;
}
coordinate_type get(direction_1d dir) const {
return coords_[dir.to_int()];
}
void set(direction_1d dir, coordinate_type value) {
coords_[dir.to_int()] = value;
}
coordinate_type low() const {
return coords_[0];
}
interval_data& low(coordinate_type value) {
coords_[LOW] = value;
return *this;
}
coordinate_type high() const {
return coords_[1];
}
interval_data& high(coordinate_type value) {
coords_[HIGH] = value;
return *this;
}
bool operator==(const interval_data& that) const {
return low() == that.low() && high() == that.high();
}
bool operator!=(const interval_data& that) const {
return low() != that.low() || high() != that.high();
}
bool operator<(const interval_data& that) const {
if (coords_[0] != that.coords_[0]) {
return coords_[0] < that.coords_[0];
}
return coords_[1] < that.coords_[1];
}
bool operator<=(const interval_data& that) const {
return !(that < *this);
}
bool operator>(const interval_data& that) const {
return that < *this;
}
bool operator>=(const interval_data& that) const {
return !((*this) < that);
}
private:
coordinate_type coords_[2];
};
template <typename CType>
struct geometry_concept< interval_data<CType> > {
typedef interval_concept type;
};
} // polygon
} // boost
#endif // BOOST_POLYGON_INTERVAL_DATA_HPP
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