Added boost header
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Christophe Riccio
298
test/external/boost/polygon/point_concept.hpp
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298
test/external/boost/polygon/point_concept.hpp
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/*
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Copyright 2008 Intel Corporation
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Use, modification and distribution are subject to the Boost Software License,
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Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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http://www.boost.org/LICENSE_1_0.txt).
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*/
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#ifndef BOOST_POLYGON_POINT_CONCEPT_HPP
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#define BOOST_POLYGON_POINT_CONCEPT_HPP
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#include "isotropy.hpp"
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#include "point_data.hpp"
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#include "point_traits.hpp"
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namespace boost { namespace polygon{
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struct point_concept {};
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template <typename T>
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struct is_point_concept { typedef gtl_no type; };
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template <>
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struct is_point_concept<point_concept> { typedef gtl_yes type; };
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struct point_3d_concept;
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template <>
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struct is_point_concept<point_3d_concept> { typedef gtl_yes type; };
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template <typename T>
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struct is_mutable_point_concept { typedef gtl_no type; };
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template <>
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struct is_mutable_point_concept<point_concept> { typedef gtl_yes type; };
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template <typename T, typename CT>
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struct point_coordinate_type_by_concept { typedef void type; };
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template <typename T>
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struct point_coordinate_type_by_concept<T, gtl_yes> { typedef typename point_traits<T>::coordinate_type type; };
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template <typename T>
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struct point_coordinate_type {
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typedef typename point_coordinate_type_by_concept<T, typename is_point_concept<typename geometry_concept<T>::type>::type>::type type;
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};
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template <typename T, typename CT>
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struct point_difference_type_by_concept { typedef void type; };
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template <typename T>
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struct point_difference_type_by_concept<T, gtl_yes> {
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typedef typename coordinate_traits<typename point_traits<T>::coordinate_type>::coordinate_difference type; };
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template <typename T>
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struct point_difference_type {
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typedef typename point_difference_type_by_concept<
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T, typename is_point_concept<typename geometry_concept<T>::type>::type>::type type;
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};
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template <typename T, typename CT>
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struct point_distance_type_by_concept { typedef void type; };
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template <typename T>
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struct point_distance_type_by_concept<T, gtl_yes> {
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typedef typename coordinate_traits<typename point_traits<T>::coordinate_type>::coordinate_distance type; };
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template <typename T>
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struct point_distance_type {
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typedef typename point_distance_type_by_concept<
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T, typename is_point_concept<typename geometry_concept<T>::type>::type>::type type;
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};
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template <typename T>
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typename point_coordinate_type<T>::type
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get(const T& point, orientation_2d orient,
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typename enable_if< typename gtl_if<typename is_point_concept<typename geometry_concept<T>::type>::type>::type>::type * = 0
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) {
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return point_traits<T>::get(point, orient);
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}
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template <typename T, typename coordinate_type>
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void
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set(T& point, orientation_2d orient, coordinate_type value,
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typename enable_if<typename is_mutable_point_concept<typename geometry_concept<T>::type>::type>::type * = 0
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) {
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point_mutable_traits<T>::set(point, orient, value);
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}
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template <typename T, typename coordinate_type1, typename coordinate_type2>
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T
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construct(coordinate_type1 x_value, coordinate_type2 y_value,
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typename enable_if<typename is_mutable_point_concept<typename geometry_concept<T>::type>::type>::type * = 0
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) {
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return point_mutable_traits<T>::construct(x_value, y_value);
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}
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template <typename T1, typename T2>
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T1&
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assign(T1& lvalue, const T2& rvalue,
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typename enable_if< typename gtl_and< typename is_mutable_point_concept<typename geometry_concept<T1>::type>::type,
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typename is_point_concept<typename geometry_concept<T2>::type>::type>::type>::type * = 0
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) {
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set(lvalue, HORIZONTAL, get(rvalue, HORIZONTAL));
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set(lvalue, VERTICAL, get(rvalue, VERTICAL));
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return lvalue;
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}
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struct y_p_x : gtl_yes {};
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template <typename point_type>
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typename enable_if< typename gtl_and<y_p_x, typename is_point_concept<typename geometry_concept<point_type>::type>::type>::type,
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typename point_traits<point_type>::coordinate_type >::type
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x(const point_type& point) {
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return get(point, HORIZONTAL);
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}
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struct y_p_y : gtl_yes {};
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template <typename point_type>
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typename enable_if< typename gtl_and<y_p_y, typename is_point_concept<typename geometry_concept<point_type>::type>::type>::type,
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typename point_traits<point_type>::coordinate_type >::type
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y(const point_type& point) {
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return get(point, VERTICAL);
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}
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struct y_p_sx : gtl_yes {};
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template <typename point_type, typename coordinate_type>
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typename enable_if<typename gtl_and<y_p_sx, typename is_mutable_point_concept<typename geometry_concept<point_type>::type>::type>::type,
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void>::type
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x(point_type& point, coordinate_type value) {
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set(point, HORIZONTAL, value);
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}
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struct y_p_sy : gtl_yes {};
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template <typename point_type, typename coordinate_type>
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typename enable_if<typename gtl_and<y_p_sy, typename is_mutable_point_concept<typename geometry_concept<point_type>::type>::type>::type,
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void>::type
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y(point_type& point, coordinate_type value) {
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set(point, VERTICAL, value);
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}
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template <typename T, typename T2>
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bool
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equivalence(const T& point1, const T2& point2,
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typename enable_if< typename gtl_and<typename gtl_same_type<point_concept, typename geometry_concept<T>::type>::type,
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typename is_point_concept<typename geometry_concept<T2>::type>::type>::type>::type * = 0
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) {
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typename point_traits<T>::coordinate_type x1 = x(point1);
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typename point_traits<T2>::coordinate_type x2 = get(point2, HORIZONTAL);
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typename point_traits<T>::coordinate_type y1 = get(point1, VERTICAL);
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typename point_traits<T2>::coordinate_type y2 = y(point2);
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return x1 == x2 && y1 == y2;
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}
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template <typename point_type_1, typename point_type_2>
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typename point_difference_type<point_type_1>::type
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manhattan_distance(const point_type_1& point1, const point_type_2& point2,
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typename enable_if< typename gtl_and<typename gtl_same_type<point_concept, typename geometry_concept<point_type_1>::type>::type,
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typename is_point_concept<typename geometry_concept<point_type_2>::type>::type>::type>::type * = 0) {
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return euclidean_distance(point1, point2, HORIZONTAL) + euclidean_distance(point1, point2, VERTICAL);
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}
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struct y_i_ed1 : gtl_yes {};
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template <typename point_type_1, typename point_type_2>
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typename enable_if< typename gtl_and_3<y_i_ed1, typename is_point_concept<typename geometry_concept<point_type_1>::type>::type,
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typename is_point_concept<typename geometry_concept<point_type_2>::type>::type>::type,
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typename point_difference_type<point_type_1>::type>::type
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euclidean_distance(const point_type_1& point1, const point_type_2& point2, orientation_2d orient) {
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typename coordinate_traits<typename point_traits<point_type_1>::coordinate_type>::coordinate_difference return_value =
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get(point1, orient) - get(point2, orient);
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return return_value < 0 ? (typename coordinate_traits<typename point_traits<point_type_1>::coordinate_type>::coordinate_difference)-return_value : return_value;
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}
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struct y_i_ed2 : gtl_yes {};
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template <typename point_type_1, typename point_type_2>
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typename enable_if< typename gtl_and_3<y_i_ed2, typename gtl_same_type<point_concept, typename geometry_concept<point_type_1>::type>::type,
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typename gtl_same_type<point_concept, typename geometry_concept<point_type_2>::type>::type>::type,
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typename point_distance_type<point_type_1>::type>::type
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euclidean_distance(const point_type_1& point1, const point_type_2& point2) {
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typedef typename point_traits<point_type_1>::coordinate_type Unit;
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return sqrt((double)(distance_squared(point1, point2)));
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}
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template <typename point_type_1, typename point_type_2>
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typename point_difference_type<point_type_1>::type
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distance_squared(const point_type_1& point1, const point_type_2& point2,
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typename enable_if< typename gtl_and<typename is_point_concept<typename geometry_concept<point_type_1>::type>::type,
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typename is_point_concept<typename geometry_concept<point_type_2>::type>::type>::type>::type * = 0
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) {
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typedef typename point_traits<point_type_1>::coordinate_type Unit;
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typename coordinate_traits<Unit>::coordinate_difference dx = euclidean_distance(point1, point2, HORIZONTAL);
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typename coordinate_traits<Unit>::coordinate_difference dy = euclidean_distance(point1, point2, VERTICAL);
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dx *= dx;
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dy *= dy;
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return dx + dy;
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}
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template <typename point_type_1, typename point_type_2>
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point_type_1 &
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convolve(point_type_1& lvalue, const point_type_2& rvalue,
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typename enable_if< typename gtl_and<typename is_mutable_point_concept<typename geometry_concept<point_type_1>::type>::type,
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typename is_point_concept<typename geometry_concept<point_type_2>::type>::type>::type>::type * = 0
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) {
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x(lvalue, x(lvalue) + x(rvalue));
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y(lvalue, y(lvalue) + y(rvalue));
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return lvalue;
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}
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template <typename point_type_1, typename point_type_2>
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point_type_1 &
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deconvolve(point_type_1& lvalue, const point_type_2& rvalue,
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typename enable_if< typename gtl_and<typename is_mutable_point_concept<typename geometry_concept<point_type_1>::type>::type,
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typename is_point_concept<typename geometry_concept<point_type_2>::type>::type>::type>::type * = 0
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) {
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x(lvalue, x(lvalue) - x(rvalue));
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y(lvalue, y(lvalue) - y(rvalue));
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return lvalue;
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}
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template <typename point_type, typename coord_type>
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point_type &
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scale_up(point_type& point, coord_type factor,
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typename enable_if<typename is_mutable_point_concept<typename geometry_concept<point_type>::type>::type>::type * = 0
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) {
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typedef typename point_traits<point_type>::coordinate_type Unit;
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x(point, x(point) * (Unit)factor);
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y(point, y(point) * (Unit)factor);
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return point;
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}
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template <typename point_type, typename coord_type>
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point_type &
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scale_down(point_type& point, coord_type factor,
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typename enable_if<typename is_mutable_point_concept<typename geometry_concept<point_type>::type>::type>::type * = 0
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) {
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typedef typename point_traits<point_type>::coordinate_type Unit;
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typedef typename coordinate_traits<Unit>::coordinate_distance dt;
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x(point, scaling_policy<Unit>::round((dt)((dt)(x(point)) / (dt)factor)));
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y(point, scaling_policy<Unit>::round((dt)((dt)(y(point)) / (dt)factor)));
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return point;
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}
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template <typename point_type, typename scaling_type>
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point_type &
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scale(point_type& point,
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const scaling_type& scaling,
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typename enable_if<typename is_mutable_point_concept<typename geometry_concept<point_type>::type>::type>::type * = 0
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) {
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typedef typename point_traits<point_type>::coordinate_type Unit;
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Unit x_(x(point)), y_(y(point));
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scaling.scale(x_, y_);
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x(point, x_);
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y(point, y_);
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return point;
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}
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template <typename point_type, typename transformation_type>
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point_type &
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transform(point_type& point, const transformation_type& transformation,
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typename enable_if<typename is_mutable_point_concept<typename geometry_concept<point_type>::type>::type>::type * = 0
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) {
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typedef typename point_traits<point_type>::coordinate_type Unit;
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Unit x_(x(point)), y_(y(point));
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transformation.transform(x_, y_);
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x(point, x_);
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y(point, y_);
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return point;
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}
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struct y_pt_move : gtl_yes {};
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template <typename point_type>
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typename enable_if<
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typename gtl_and< y_pt_move,
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typename is_mutable_point_concept<
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typename geometry_concept<point_type>::type>::type>::type,
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point_type>::type &
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move(point_type& point, orientation_2d orient,
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typename point_traits<point_type>::coordinate_type displacement,
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typename enable_if<typename is_mutable_point_concept<typename geometry_concept<point_type>::type>::type>::type * = 0
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) {
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typedef typename point_traits<point_type>::coordinate_type Unit;
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Unit v(get(point, orient));
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set(point, orient, v + displacement);
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return point;
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}
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template <class T>
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template <class T2>
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point_data<T>& point_data<T>::operator=(const T2& rvalue) {
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assign(*this, rvalue);
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return *this;
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}
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template <typename T>
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struct geometry_concept<point_data<T> > {
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typedef point_concept type;
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};
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}
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}
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#endif
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