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<h1>boost/geometry/geometries/adapted/c_array.hpp</h1><a href="c__array_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>
<a name="l00002"></a>00002 <span class="comment">//</span>
<a name="l00003"></a>00003 <span class="comment">// Copyright Bruno Lalande 2008, 2009</span>
<a name="l00004"></a>00004 <span class="comment">// Copyright Barend Gehrels 2007-2009, Geodan, Amsterdam, the Netherlands.</span>
<a name="l00005"></a>00005 <span class="comment">// Use, modification and distribution is subject to the Boost Software License,</span>
<a name="l00006"></a>00006 <span class="comment">// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at</span>
<a name="l00007"></a>00007 <span class="comment">// http://www.boost.org/LICENSE_1_0.txt)</span>
<a name="l00008"></a>00008
<a name="l00009"></a>00009 <span class="preprocessor">#ifndef BOOST_GEOMETRY_GEOMETRIES_ADAPTED_C_ARRAY_HPP</span>
<a name="l00010"></a>00010 <span class="preprocessor"></span><span class="preprocessor">#define BOOST_GEOMETRY_GEOMETRIES_ADAPTED_C_ARRAY_HPP</span>
<a name="l00011"></a>00011 <span class="preprocessor"></span>
<a name="l00012"></a>00012 <span class="preprocessor">#include &lt;cstddef&gt;</span>
<a name="l00013"></a>00013
<a name="l00014"></a>00014 <span class="preprocessor">#include &lt;boost/type_traits/is_arithmetic.hpp&gt;</span>
<a name="l00015"></a>00015
<a name="l00016"></a>00016 <span class="preprocessor">#include &lt;<a class="code" href="access_8hpp.html">boost/geometry/core/access.hpp</a>&gt;</span>
<a name="l00017"></a>00017 <span class="preprocessor">#include &lt;<a class="code" href="cs_8hpp.html">boost/geometry/core/cs.hpp</a>&gt;</span>
<a name="l00018"></a>00018 <span class="preprocessor">#include &lt;<a class="code" href="coordinate__dimension_8hpp.html">boost/geometry/core/coordinate_dimension.hpp</a>&gt;</span>
<a name="l00019"></a>00019 <span class="preprocessor">#include &lt;<a class="code" href="coordinate__type_8hpp.html">boost/geometry/core/coordinate_type.hpp</a>&gt;</span>
<a name="l00020"></a>00020 <span class="preprocessor">#include &lt;<a class="code" href="core_2tags_8hpp.html">boost/geometry/core/tags.hpp</a>&gt;</span>
<a name="l00021"></a>00021
<a name="l00022"></a>00022 <span class="keyword">namespace </span>boost { <span class="keyword">namespace </span>geometry
<a name="l00023"></a>00023 {
<a name="l00024"></a>00024
<a name="l00025"></a>00025
<a name="l00026"></a>00026 <span class="preprocessor">#ifndef DOXYGEN_NO_TRAITS_SPECIALIZATIONS</span>
<a name="l00027"></a>00027 <span class="preprocessor"></span><span class="keyword">namespace </span>traits
<a name="l00028"></a>00028 {
<a name="l00029"></a>00029
<a name="l00030"></a>00030
<a name="l00031"></a>00031 <span class="preprocessor">#ifndef DOXYGEN_NO_DETAIL</span>
<a name="l00032"></a>00032 <span class="preprocessor"></span><span class="keyword">namespace </span>detail
<a name="l00033"></a>00033 {
<a name="l00034"></a>00034
<a name="l00035"></a>00035
<a name="l00036"></a>00036 <span class="comment">// Create class and specialization to indicate the tag</span>
<a name="l00037"></a>00037 <span class="comment">// for normal cases and the case that the type of the c-array is arithmetic</span>
<a name="l00038"></a>00038 <span class="keyword">template</span> &lt;<span class="keywordtype">bool</span>&gt;
<a name="l00039"></a>00039 <span class="keyword">struct </span>c_array_tag
<a name="l00040"></a>00040 {
<a name="l00041"></a>00041 <span class="keyword">typedef</span> geometry_not_recognized_tag type;
<a name="l00042"></a>00042 };
<a name="l00043"></a>00043
<a name="l00044"></a>00044
<a name="l00045"></a>00045 <span class="keyword">template</span> &lt;&gt;
<a name="l00046"></a>00046 <span class="keyword">struct </span>c_array_tag&lt;true&gt;
<a name="l00047"></a>00047 {
<a name="l00048"></a>00048 <span class="keyword">typedef</span> point_tag type;
<a name="l00049"></a>00049 };
<a name="l00050"></a>00050
<a name="l00051"></a>00051
<a name="l00052"></a>00052 } <span class="comment">// namespace detail</span>
<a name="l00053"></a>00053 <span class="preprocessor">#endif // DOXYGEN_NO_DETAIL</span>
<a name="l00054"></a>00054 <span class="preprocessor"></span>
<a name="l00055"></a>00055
<a name="l00056"></a>00056 <span class="comment">// Assign the point-tag, preventing arrays of points getting a point-tag</span>
<a name="l00057"></a>00057 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> CoordinateType, std::<span class="keywordtype">size_t</span> DimensionCount&gt;
<a name="l00058"></a>00058 <span class="keyword">struct </span>tag&lt;CoordinateType[DimensionCount]&gt;
<a name="l00059"></a>00059 : detail::c_array_tag&lt;boost::is_arithmetic&lt;CoordinateType&gt;::value&gt; {};
<a name="l00060"></a>00060
<a name="l00061"></a>00061
<a name="l00062"></a>00062 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> CoordinateType, std::<span class="keywordtype">size_t</span> DimensionCount&gt;
<a name="l00063"></a>00063 <span class="keyword">struct </span>coordinate_type&lt;CoordinateType[DimensionCount]&gt;
<a name="l00064"></a>00064 {
<a name="l00065"></a>00065 <span class="keyword">typedef</span> CoordinateType type;
<a name="l00066"></a>00066 };
<a name="l00067"></a>00067
<a name="l00068"></a>00068
<a name="l00069"></a>00069 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> CoordinateType, std::<span class="keywordtype">size_t</span> DimensionCount&gt;
<a name="l00070"></a>00070 <span class="keyword">struct </span><a class="code" href="classcore__dispatch_1_1dimension.html">dimension</a>&lt;CoordinateType[DimensionCount]&gt;: boost::mpl::int_&lt;DimensionCount&gt; {};
<a name="l00071"></a>00071
<a name="l00072"></a>00072
<a name="l00073"></a>00073 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> CoordinateType, std::<span class="keywordtype">size_t</span> DimensionCount, std::<span class="keywordtype">size_t</span> Dimension&gt;
<a name="l00074"></a>00074 <span class="keyword">struct </span>access&lt;CoordinateType[DimensionCount], Dimension&gt;
<a name="l00075"></a>00075 {
<a name="l00076"></a>00076 <span class="keyword">static</span> <span class="keyword">inline</span> CoordinateType <span class="keyword">get</span>(<span class="keyword">const</span> CoordinateType p[DimensionCount])
<a name="l00077"></a>00077 {
<a name="l00078"></a>00078 <span class="keywordflow">return</span> p[Dimension];
<a name="l00079"></a>00079 }
<a name="l00080"></a>00080
<a name="l00081"></a>00081 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <span class="keyword">set</span>(CoordinateType p[DimensionCount],
<a name="l00082"></a>00082 CoordinateType <span class="keyword">const</span>&amp; value)
<a name="l00083"></a>00083 {
<a name="l00084"></a>00084 p[Dimension] = value;
<a name="l00085"></a>00085 }
<a name="l00086"></a>00086 };
<a name="l00087"></a>00087
<a name="l00088"></a>00088 <span class="comment">// The library user has</span>
<a name="l00089"></a>00089 <span class="comment">// 1) either to specify the coordinate system</span>
<a name="l00090"></a>00090 <span class="comment">// 2) or include &lt;boost/geometry/geometries/adapted/c_array_@.hpp&gt; where @=cartesian,geographic,...</span>
<a name="l00091"></a>00091
<a name="l00092"></a>00092 } <span class="comment">// namespace traits</span>
<a name="l00093"></a>00093 <span class="preprocessor">#endif // DOXYGEN_NO_TRAITS_SPECIALIZATIONS</span>
<a name="l00094"></a>00094 <span class="preprocessor"></span>
<a name="l00095"></a>00095
<a name="l00096"></a>00096 }} <span class="comment">// namespace boost::geometry</span>
<a name="l00097"></a>00097
<a name="l00098"></a>00098 <span class="preprocessor">#endif // BOOST_GEOMETRY_GEOMETRIES_ADAPTED_C_ARRAY_HPP</span>
</pre></div></div>
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<p>December 1, 2009</p>
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<small>Copyright © 1995-2009 Barend Gehrels, Geodan, Amsterdam<br>
Copyright © 2008-2009 Bruno Lalande, Paris<br>
Copyright © 2009 Mateusz Loskot, Cadcorp, London<br>
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