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<h1>boost/geometry/geometries/point.hpp</h1><a href="point_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Boost.Geometry (aka GGL, Generic Geometry Library)</span>
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<a name="l00002"></a>00002 <span class="comment">//</span>
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<a name="l00003"></a>00003 <span class="comment">// Copyright Barend Gehrels 2007-2009, Geodan, Amsterdam, the Netherlands.</span>
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<a name="l00004"></a>00004 <span class="comment">// Copyright Bruno Lalande 2008, 2009</span>
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<a name="l00005"></a>00005 <span class="comment">// Use, modification and distribution is subject to the Boost Software License,</span>
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<a name="l00006"></a>00006 <span class="comment">// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at</span>
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<a name="l00007"></a>00007 <span class="comment">// http://www.boost.org/LICENSE_1_0.txt)</span>
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<a name="l00008"></a>00008
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<a name="l00009"></a>00009 <span class="preprocessor">#ifndef BOOST_GEOMETRY_GEOMETRIES_POINT_HPP</span>
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<a name="l00010"></a>00010 <span class="preprocessor"></span><span class="preprocessor">#define BOOST_GEOMETRY_GEOMETRIES_POINT_HPP</span>
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<a name="l00011"></a>00011 <span class="preprocessor"></span>
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<a name="l00012"></a>00012 <span class="preprocessor">#include <cstddef></span>
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<a name="l00013"></a>00013
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<a name="l00014"></a>00014 <span class="preprocessor">#include <boost/mpl/int.hpp></span>
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<a name="l00015"></a>00015 <span class="preprocessor">#include <boost/static_assert.hpp></span>
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<a name="l00016"></a>00016
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<a name="l00017"></a>00017 <span class="preprocessor">#include <<a class="code" href="access_8hpp.html">boost/geometry/core/access.hpp</a>></span>
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<a name="l00018"></a>00018 <span class="preprocessor">#include <<a class="code" href="coordinate__type_8hpp.html">boost/geometry/core/coordinate_type.hpp</a>></span>
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<a name="l00019"></a>00019 <span class="preprocessor">#include <<a class="code" href="coordinate__system_8hpp.html">boost/geometry/core/coordinate_system.hpp</a>></span>
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<a name="l00020"></a>00020 <span class="preprocessor">#include <<a class="code" href="coordinate__dimension_8hpp.html">boost/geometry/core/coordinate_dimension.hpp</a>></span>
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<a name="l00021"></a>00021 <span class="preprocessor">#include <<a class="code" href="math_8hpp.html">boost/geometry/util/math.hpp</a>></span>
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<a name="l00022"></a>00022
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<a name="l00023"></a>00023 <span class="keyword">namespace </span>boost { <span class="keyword">namespace </span>geometry
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<a name="l00024"></a>00024 {
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<a name="l00025"></a>00025
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<a name="l00033"></a>00033 <span class="keyword">template</span><<span class="keyword">typename</span> T, std::<span class="keywordtype">size_t</span> D, <span class="keyword">typename</span> C>
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<a name="l00034"></a><a class="code" href="classboost_1_1geometry_1_1point.html">00034</a> <span class="keyword">class </span><a class="code" href="classboost_1_1geometry_1_1point.html" title="Basic point class, having coordinates defined in a neutral way.">point</a>
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<a name="l00035"></a>00035 {
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<a name="l00036"></a>00036 <span class="keyword">public</span>:
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<a name="l00037"></a>00037
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<a name="l00038"></a>00038 <span class="comment">// Concept typedefs and members</span>
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<a name="l00039"></a><a class="code" href="classboost_1_1geometry_1_1point.html#a5e8e21c5387f95675cd9e1565a13539">00039</a> <span class="keyword">typedef</span> T <a class="code" href="structboost_1_1geometry_1_1coordinate__type.html" title="Meta-function which defines coordinate type (int, float, double, etc) of any geometry...">coordinate_type</a>;
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<a name="l00040"></a><a class="code" href="classboost_1_1geometry_1_1point.html#c73f50394198c587afc929887cfa2457">00040</a> <span class="keyword">typedef</span> C <a class="code" href="structboost_1_1geometry_1_1coordinate__system.html" title="Meta-function which defines coordinate system for any geometry.">coordinate_system</a>;
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<a name="l00041"></a>00041
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<a name="l00042"></a><a class="code" href="classboost_1_1geometry_1_1point.html#837e8709b199542f696f41d5329a188f">00042</a> <span class="keyword">static</span> <span class="keyword">const</span> std::size_t <a class="code" href="classboost_1_1geometry_1_1point.html#837e8709b199542f696f41d5329a188f">coordinate_count</a> = D;
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<a name="l00043"></a>00043
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<a name="l00045"></a><a class="code" href="classboost_1_1geometry_1_1point.html#46987bb2440396d7bd56fff50c555fda">00045</a> <span class="keyword">inline</span> <a class="code" href="classboost_1_1geometry_1_1point.html#46987bb2440396d7bd56fff50c555fda" title="Default constructor, no initialization at all.">point</a>()
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<a name="l00046"></a>00046 {}
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<a name="l00047"></a>00047
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<a name="l00049"></a><a class="code" href="classboost_1_1geometry_1_1point.html#57197b61af7e9375a9061a69ed649f1c">00049</a> <span class="keyword">inline</span> <a class="code" href="classboost_1_1geometry_1_1point.html#46987bb2440396d7bd56fff50c555fda" title="Default constructor, no initialization at all.">point</a>(T <span class="keyword">const</span>& v0, T <span class="keyword">const</span>& v1 = 0, T <span class="keyword">const</span>& v2 = 0)
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<a name="l00050"></a>00050 {
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<a name="l00051"></a>00051 <span class="keywordflow">if</span> (D >= 1) m_values[0] = v0;
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<a name="l00052"></a>00052 <span class="keywordflow">if</span> (D >= 2) m_values[1] = v1;
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<a name="l00053"></a>00053 <span class="keywordflow">if</span> (D >= 3) m_values[2] = v2;
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<a name="l00054"></a>00054 }
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<a name="l00055"></a>00055
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<a name="l00056"></a>00056
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<a name="l00058"></a>00058 <span class="keyword">template</span> <std::<span class="keywordtype">size_t</span> K>
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<a name="l00059"></a><a class="code" href="classboost_1_1geometry_1_1point.html#ce83f2aea2b5b465316ba01d39f75171">00059</a> <span class="keyword">inline</span> T <span class="keyword">const</span>& <span class="keyword">get</span>() <span class="keyword">const</span>
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<a name="l00060"></a>00060 {
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<a name="l00061"></a>00061 BOOST_STATIC_ASSERT(K < D);
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<a name="l00062"></a>00062 <span class="keywordflow">return</span> m_values[K];
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<a name="l00063"></a>00063 }
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<a name="l00064"></a>00064
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<a name="l00065"></a>00065 <span class="keyword">template</span> <std::<span class="keywordtype">size_t</span> K>
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<a name="l00066"></a><a class="code" href="classboost_1_1geometry_1_1point.html#155e4da095ceb200a6b9bdd2e434ef01">00066</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <span class="keyword">set</span>(T value)
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<a name="l00067"></a>00067 {
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<a name="l00068"></a>00068 BOOST_STATIC_ASSERT(K < D);
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<a name="l00069"></a>00069 m_values[K] = value;
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<a name="l00070"></a>00070 }
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<a name="l00071"></a>00071
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<a name="l00072"></a>00072
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<a name="l00073"></a>00073 <span class="keyword">private</span>:
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<a name="l00074"></a>00074
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<a name="l00075"></a>00075 T m_values[D];
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<a name="l00076"></a>00076 };
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<a name="l00077"></a>00077
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<a name="l00078"></a>00078
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<a name="l00079"></a>00079 <span class="comment">// Adapt the point to the concept</span>
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<a name="l00080"></a>00080 <span class="preprocessor">#ifndef DOXYGEN_NO_TRAITS_SPECIALIZATIONS</span>
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<a name="l00081"></a>00081 <span class="preprocessor"></span><span class="keyword">namespace </span>traits
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<a name="l00082"></a>00082 {
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<a name="l00083"></a>00083 <span class="keyword">template</span>
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<a name="l00084"></a>00084 <
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<a name="l00085"></a>00085 <span class="keyword">typename</span> CoordinateType,
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<a name="l00086"></a>00086 std::size_t DimensionCount,
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<a name="l00087"></a>00087 <span class="keyword">typename</span> CoordinateSystem
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<a name="l00088"></a>00088 >
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<a name="l00089"></a>00089 <span class="keyword">struct </span>tag<point<CoordinateType, DimensionCount, CoordinateSystem> >
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<a name="l00090"></a>00090 {
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<a name="l00091"></a>00091 <span class="keyword">typedef</span> point_tag <a class="code" href="structboost_1_1geometry_1_1traits_1_1tag.html#e1d5ca3f8597416d2838511ed9265e23">type</a>;
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<a name="l00092"></a>00092 };
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<a name="l00093"></a>00093
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<a name="l00094"></a>00094 <span class="keyword">template</span>
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<a name="l00095"></a>00095 <
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<a name="l00096"></a>00096 <span class="keyword">typename</span> CoordinateType,
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<a name="l00097"></a>00097 std::size_t DimensionCount,
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<a name="l00098"></a>00098 <span class="keyword">typename</span> CoordinateSystem
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<a name="l00099"></a>00099 >
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<a name="l00100"></a>00100 <span class="keyword">struct </span>coordinate_type<point<CoordinateType, DimensionCount, CoordinateSystem> >
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<a name="l00101"></a>00101 {
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<a name="l00102"></a>00102 <span class="keyword">typedef</span> CoordinateType type;
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<a name="l00103"></a>00103 };
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<a name="l00104"></a>00104
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<a name="l00105"></a>00105 <span class="keyword">template</span>
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<a name="l00106"></a>00106 <
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<a name="l00107"></a>00107 <span class="keyword">typename</span> CoordinateType,
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<a name="l00108"></a>00108 std::size_t DimensionCount,
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<a name="l00109"></a>00109 <span class="keyword">typename</span> CoordinateSystem
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<a name="l00110"></a>00110 >
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<a name="l00111"></a>00111 <span class="keyword">struct </span>coordinate_system<point<CoordinateType, DimensionCount, CoordinateSystem> >
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<a name="l00112"></a>00112 {
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<a name="l00113"></a>00113 <span class="keyword">typedef</span> CoordinateSystem type;
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<a name="l00114"></a>00114 };
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<a name="l00115"></a>00115
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<a name="l00116"></a>00116 <span class="keyword">template</span>
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<a name="l00117"></a>00117 <
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<a name="l00118"></a>00118 <span class="keyword">typename</span> CoordinateType,
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<a name="l00119"></a>00119 std::size_t DimensionCount,
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<a name="l00120"></a>00120 <span class="keyword">typename</span> CoordinateSystem
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<a name="l00121"></a>00121 >
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<a name="l00122"></a>00122 <span class="keyword">struct </span><a class="code" href="classcore__dispatch_1_1dimension.html">dimension</a><point<CoordinateType, DimensionCount, CoordinateSystem> >
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<a name="l00123"></a>00123 : boost::mpl::int_<DimensionCount>
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<a name="l00124"></a>00124 {};
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<a name="l00125"></a>00125
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<a name="l00126"></a>00126 <span class="keyword">template</span>
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<a name="l00127"></a>00127 <
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<a name="l00128"></a>00128 <span class="keyword">typename</span> CoordinateType,
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<a name="l00129"></a>00129 std::size_t DimensionCount,
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<a name="l00130"></a>00130 <span class="keyword">typename</span> CoordinateSystem,
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<a name="l00131"></a>00131 std::size_t Dimension
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<a name="l00132"></a>00132 >
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<a name="l00133"></a>00133 <span class="keyword">struct </span>access<point<CoordinateType, DimensionCount, CoordinateSystem>, Dimension>
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<a name="l00134"></a>00134 {
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<a name="l00135"></a>00135 <span class="keyword">static</span> <span class="keyword">inline</span> CoordinateType <span class="keyword">get</span>(
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<a name="l00136"></a>00136 point<CoordinateType, DimensionCount, CoordinateSystem> <span class="keyword">const</span>& p)
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<a name="l00137"></a>00137 {
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<a name="l00138"></a>00138 <span class="keywordflow">return</span> p.template get<Dimension>();
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<a name="l00139"></a>00139 }
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<a name="l00140"></a>00140
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<a name="l00141"></a>00141 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <span class="keyword">set</span>(
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<a name="l00142"></a>00142 point<CoordinateType, DimensionCount, CoordinateSystem>& p,
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<a name="l00143"></a>00143 CoordinateType <span class="keyword">const</span>& value)
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<a name="l00144"></a>00144 {
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<a name="l00145"></a>00145 p.template set<Dimension>(value);
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<a name="l00146"></a>00146 }
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<a name="l00147"></a>00147 };
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<a name="l00148"></a>00148
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<a name="l00149"></a>00149 } <span class="comment">// namespace traits</span>
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<a name="l00150"></a>00150 <span class="preprocessor">#endif // DOXYGEN_NO_TRAITS_SPECIALIZATIONS</span>
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<a name="l00151"></a>00151 <span class="preprocessor"></span>
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<a name="l00152"></a>00152 }} <span class="comment">// namespace boost::geometry</span>
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<a name="l00153"></a>00153
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<a name="l00154"></a>00154 <span class="preprocessor">#endif // BOOST_GEOMETRY_GEOMETRIES_POINT_HPP</span>
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</pre></div></div>
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<p>December 1, 2009</p>
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</small></td>
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<small>Copyright © 1995-2009 Barend Gehrels, Geodan, Amsterdam<br>
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Copyright © 2008-2009 Bruno Lalande, Paris<br>
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Copyright © 2009 Mateusz Loskot, Cadcorp, London<br>
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