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<h1>boost/geometry/arithmetic/arithmetic.hpp</h1><a href="arithmetic_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_ARITHMETIC_ARITHMETIC_HPP</span>
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<a name="l00010"></a>00010 <span class="preprocessor"></span><span class="preprocessor">#define BOOST_GEOMETRY_ARITHMETIC_ARITHMETIC_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 <functional></span>
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<a name="l00013"></a>00013
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<a name="l00014"></a>00014 <span class="preprocessor">#include <boost/call_traits.hpp></span>
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<a name="l00015"></a>00015 <span class="preprocessor">#include <boost/concept/requires.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="coordinate__type_8hpp.html">boost/geometry/core/coordinate_type.hpp</a>></span>
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<a name="l00018"></a>00018 <span class="preprocessor">#include <<a class="code" href="point__concept_8hpp.html">boost/geometry/geometries/concepts/point_concept.hpp</a>></span>
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<a name="l00019"></a>00019 <span class="preprocessor">#include <<a class="code" href="for__each__coordinate_8hpp.html">boost/geometry/util/for_each_coordinate.hpp</a>></span>
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<a name="l00020"></a>00020
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<a name="l00025"></a>00025 <span class="keyword">namespace </span>boost { <span class="keyword">namespace </span>geometry
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<a name="l00026"></a>00026 {
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<a name="l00027"></a>00027
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<a name="l00028"></a>00028 <span class="preprocessor">#ifndef DOXYGEN_NO_DETAIL</span>
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<a name="l00029"></a>00029 <span class="preprocessor"></span><span class="keyword">namespace </span>detail
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<a name="l00030"></a>00030 {
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<a name="l00031"></a>00031
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<a name="l00032"></a>00032 <span class="keyword">template</span> <<span class="keyword">typename</span> P>
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<a name="l00033"></a>00033 <span class="keyword">struct </span>param
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<a name="l00034"></a>00034 {
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<a name="l00035"></a>00035 <span class="keyword">typedef</span> <span class="keyword">typename</span> boost::call_traits
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<a name="l00036"></a>00036 <
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<a name="l00037"></a>00037 <span class="keyword">typename</span> coordinate_type<P>::type
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<a name="l00038"></a>00038 >::param_type type;
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<a name="l00039"></a>00039 };
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<a name="l00040"></a>00040
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<a name="l00041"></a>00041 <span class="keyword">template</span> <<span class="keyword">typename</span> C, <span class="keyword">template</span> <<span class="keyword">typename</span>> <span class="keyword">class </span>Function>
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<a name="l00042"></a>00042 <span class="keyword">struct </span>value_operation
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<a name="l00043"></a>00043 {
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<a name="l00044"></a>00044 C m_value;
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<a name="l00045"></a>00045
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<a name="l00046"></a>00046 <span class="keyword">inline</span> value_operation(C <span class="keyword">const</span> &value)
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<a name="l00047"></a>00047 : m_value(value)
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<a name="l00048"></a>00048 {}
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<a name="l00049"></a>00049
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<a name="l00050"></a>00050 <span class="keyword">template</span> <<span class="keyword">typename</span> P, <span class="keywordtype">int</span> I>
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<a name="l00051"></a>00051 <span class="keyword">inline</span> <span class="keywordtype">void</span> apply(P& point)<span class="keyword"> const</span>
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<a name="l00052"></a>00052 <span class="keyword"> </span>{
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<a name="l00053"></a>00053 set<I>(point, Function<C>()(get<I>(point), m_value));
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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="l00057"></a>00057 <span class="keyword">template</span> <<span class="keyword">typename</span> Po<span class="keywordtype">int</span>Src, <span class="keyword">template</span> <<span class="keyword">typename</span>> <span class="keyword">class </span>Function>
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<a name="l00058"></a>00058 <span class="keyword">struct </span>point_operation
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<a name="l00059"></a>00059 {
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<a name="l00060"></a>00060 <span class="keyword">typedef</span> <span class="keyword">typename</span> coordinate_type<PointSrc>::type coordinate_type;
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<a name="l00061"></a>00061 PointSrc <span class="keyword">const</span>& m_source_point;
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<a name="l00062"></a>00062
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<a name="l00063"></a>00063 <span class="keyword">inline</span> point_operation(PointSrc <span class="keyword">const</span>& point)
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<a name="l00064"></a>00064 : m_source_point(point)
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<a name="l00065"></a>00065 {}
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<a name="l00066"></a>00066
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<a name="l00067"></a>00067 <span class="keyword">template</span> <<span class="keyword">typename</span> Po<span class="keywordtype">int</span>Dst, <span class="keywordtype">int</span> I>
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<a name="l00068"></a>00068 <span class="keyword">inline</span> <span class="keywordtype">void</span> apply(PointDst& dest_point)<span class="keyword"> const</span>
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<a name="l00069"></a>00069 <span class="keyword"> </span>{
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<a name="l00070"></a>00070 set<I>(dest_point,
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||
<a name="l00071"></a>00071 Function<coordinate_type>()(get<I>(dest_point), get<I>(m_source_point)));
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||
<a name="l00072"></a>00072 }
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<a name="l00073"></a>00073 };
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<a name="l00074"></a>00074
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<a name="l00075"></a>00075 } <span class="comment">// namespace detail</span>
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<a name="l00076"></a>00076 <span class="preprocessor">#endif // DOXYGEN_NO_DETAIL</span>
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||
<a name="l00077"></a>00077 <span class="preprocessor"></span>
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||
<a name="l00085"></a>00085 <span class="keyword">template</span> <<span class="keyword">typename</span> Po<span class="keywordtype">int</span>>
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<a name="l00086"></a><a class="code" href="group__arithmetic.html#g7458ae2b1a6267e21b2daac8b35e443e">00086</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="group__arithmetic.html#g7458ae2b1a6267e21b2daac8b35e443e" title="Adds a value to each coordinate of a point.">add_value</a>(Point& p, <span class="keyword">typename</span> detail::param<Point>::type value)
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<a name="l00087"></a>00087 {
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||
<a name="l00088"></a>00088 BOOST_CONCEPT_ASSERT( (<a class="code" href="classboost_1_1geometry_1_1concept_1_1_point.html" title="Point concept.">concept::Point<Point></a>) );
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<a name="l00089"></a>00089
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||
<a name="l00090"></a>00090 <a class="code" href="namespaceboost_1_1geometry.html#02f69ee47aa6561a84aad36ab45c96b4">for_each_coordinate</a>(p, detail::value_operation<<span class="keyword">typename</span> <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<Point>::type</a>, std::plus>(value));
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<a name="l00091"></a>00091 }
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||
<a name="l00092"></a>00092
|
||
<a name="l00101"></a>00101 <span class="keyword">template</span> <<span class="keyword">typename</span> Po<span class="keywordtype">int</span>1, <span class="keyword">typename</span> Po<span class="keywordtype">int</span>2>
|
||
<a name="l00102"></a><a class="code" href="group__arithmetic.html#gf595c14ab7034da7d6b67322e0a99870">00102</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="group__arithmetic.html#gf595c14ab7034da7d6b67322e0a99870" title="Adds a point to another.">add_point</a>(Point1& p1, Point2 <span class="keyword">const</span>& p2)
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||
<a name="l00103"></a>00103 {
|
||
<a name="l00104"></a>00104 BOOST_CONCEPT_ASSERT( (<a class="code" href="classboost_1_1geometry_1_1concept_1_1_point.html" title="Point concept.">concept::Point<Point2></a>) );
|
||
<a name="l00105"></a>00105 BOOST_CONCEPT_ASSERT( (<a class="code" href="classboost_1_1geometry_1_1concept_1_1_const_point.html" title="point concept (const version)">concept::ConstPoint<Point2></a>) );
|
||
<a name="l00106"></a>00106
|
||
<a name="l00107"></a>00107 <a class="code" href="namespaceboost_1_1geometry.html#02f69ee47aa6561a84aad36ab45c96b4">for_each_coordinate</a>(p1, detail::point_operation<Point2, std::plus>(p2));
|
||
<a name="l00108"></a>00108 }
|
||
<a name="l00109"></a>00109
|
||
<a name="l00117"></a>00117 <span class="keyword">template</span> <<span class="keyword">typename</span> Po<span class="keywordtype">int</span>>
|
||
<a name="l00118"></a><a class="code" href="group__arithmetic.html#g931ec2441c2cc157611340c9a6da0182">00118</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="group__arithmetic.html#g931ec2441c2cc157611340c9a6da0182" title="Subtracts a value to each coordinate of a point.">subtract_value</a>(Point& p, <span class="keyword">typename</span> detail::param<Point>::type value)
|
||
<a name="l00119"></a>00119 {
|
||
<a name="l00120"></a>00120 BOOST_CONCEPT_ASSERT( (<a class="code" href="classboost_1_1geometry_1_1concept_1_1_point.html" title="Point concept.">concept::Point<Point></a>) );
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||
<a name="l00121"></a>00121
|
||
<a name="l00122"></a>00122 <a class="code" href="namespaceboost_1_1geometry.html#02f69ee47aa6561a84aad36ab45c96b4">for_each_coordinate</a>(p, detail::value_operation<<span class="keyword">typename</span> <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<Point>::type</a>, std::minus>(value));
|
||
<a name="l00123"></a>00123 }
|
||
<a name="l00124"></a>00124
|
||
<a name="l00133"></a>00133 <span class="keyword">template</span> <<span class="keyword">typename</span> Po<span class="keywordtype">int</span>1, <span class="keyword">typename</span> Po<span class="keywordtype">int</span>2>
|
||
<a name="l00134"></a><a class="code" href="group__arithmetic.html#g941f5637305d369b047144faeb2d29b0">00134</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="group__arithmetic.html#g941f5637305d369b047144faeb2d29b0" title="Subtracts a point to another.">subtract_point</a>(Point1& p1, Point2 <span class="keyword">const</span>& p2)
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||
<a name="l00135"></a>00135 {
|
||
<a name="l00136"></a>00136 BOOST_CONCEPT_ASSERT( (<a class="code" href="classboost_1_1geometry_1_1concept_1_1_point.html" title="Point concept.">concept::Point<Point2></a>) );
|
||
<a name="l00137"></a>00137 BOOST_CONCEPT_ASSERT( (<a class="code" href="classboost_1_1geometry_1_1concept_1_1_const_point.html" title="point concept (const version)">concept::ConstPoint<Point2></a>) );
|
||
<a name="l00138"></a>00138
|
||
<a name="l00139"></a>00139 <a class="code" href="namespaceboost_1_1geometry.html#02f69ee47aa6561a84aad36ab45c96b4">for_each_coordinate</a>(p1, detail::point_operation<Point2, std::minus>(p2));
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||
<a name="l00140"></a>00140 }
|
||
<a name="l00141"></a>00141
|
||
<a name="l00149"></a>00149 <span class="keyword">template</span> <<span class="keyword">typename</span> Po<span class="keywordtype">int</span>>
|
||
<a name="l00150"></a><a class="code" href="group__arithmetic.html#g1486e033b9a991315ce0be491f9c5585">00150</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="group__arithmetic.html#g1486e033b9a991315ce0be491f9c5585" title="Multiplies each coordinate of a point by a value.">multiply_value</a>(Point& p, <span class="keyword">typename</span> detail::param<Point>::type value)
|
||
<a name="l00151"></a>00151 {
|
||
<a name="l00152"></a>00152 BOOST_CONCEPT_ASSERT( (<a class="code" href="classboost_1_1geometry_1_1concept_1_1_point.html" title="Point concept.">concept::Point<Point></a>) );
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<a name="l00153"></a>00153
|
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<a name="l00154"></a>00154 <a class="code" href="namespaceboost_1_1geometry.html#02f69ee47aa6561a84aad36ab45c96b4">for_each_coordinate</a>(p, detail::value_operation<<span class="keyword">typename</span> <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<Point>::type</a>, std::multiplies>(value));
|
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<a name="l00155"></a>00155 }
|
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<a name="l00156"></a>00156
|
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<a name="l00166"></a>00166 <span class="keyword">template</span> <<span class="keyword">typename</span> Po<span class="keywordtype">int</span>1, <span class="keyword">typename</span> Po<span class="keywordtype">int</span>2>
|
||
<a name="l00167"></a><a class="code" href="group__arithmetic.html#g6bed4618f2d58404362a7c584d8045e5">00167</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="group__arithmetic.html#g6bed4618f2d58404362a7c584d8045e5" title="Multiplies a point by another.">multiply_point</a>(Point1& p1, Point2 <span class="keyword">const</span>& p2)
|
||
<a name="l00168"></a>00168 {
|
||
<a name="l00169"></a>00169 BOOST_CONCEPT_ASSERT( (<a class="code" href="classboost_1_1geometry_1_1concept_1_1_point.html" title="Point concept.">concept::Point<Point2></a>) );
|
||
<a name="l00170"></a>00170 BOOST_CONCEPT_ASSERT( (<a class="code" href="classboost_1_1geometry_1_1concept_1_1_const_point.html" title="point concept (const version)">concept::ConstPoint<Point2></a>) );
|
||
<a name="l00171"></a>00171
|
||
<a name="l00172"></a>00172 <a class="code" href="namespaceboost_1_1geometry.html#02f69ee47aa6561a84aad36ab45c96b4">for_each_coordinate</a>(p1, detail::point_operation<Point2, std::multiplies>(p2));
|
||
<a name="l00173"></a>00173 }
|
||
<a name="l00174"></a>00174
|
||
<a name="l00182"></a>00182 <span class="keyword">template</span> <<span class="keyword">typename</span> Po<span class="keywordtype">int</span>>
|
||
<a name="l00183"></a><a class="code" href="group__arithmetic.html#g6bc24f87156cc3c40e16e0f2fa47280a">00183</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="group__arithmetic.html#g6bc24f87156cc3c40e16e0f2fa47280a" title="Divides each coordinate of a point by a value.">divide_value</a>(Point& p, <span class="keyword">typename</span> detail::param<Point>::type value)
|
||
<a name="l00184"></a>00184 {
|
||
<a name="l00185"></a>00185 BOOST_CONCEPT_ASSERT( (<a class="code" href="classboost_1_1geometry_1_1concept_1_1_point.html" title="Point concept.">concept::Point<Point></a>) );
|
||
<a name="l00186"></a>00186
|
||
<a name="l00187"></a>00187 <a class="code" href="namespaceboost_1_1geometry.html#02f69ee47aa6561a84aad36ab45c96b4">for_each_coordinate</a>(p, detail::value_operation<<span class="keyword">typename</span> <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<Point>::type</a>, std::divides>(value));
|
||
<a name="l00188"></a>00188 }
|
||
<a name="l00189"></a>00189
|
||
<a name="l00198"></a>00198 <span class="keyword">template</span> <<span class="keyword">typename</span> Po<span class="keywordtype">int</span>1, <span class="keyword">typename</span> Po<span class="keywordtype">int</span>2>
|
||
<a name="l00199"></a><a class="code" href="group__arithmetic.html#g72f0f1ea2b53e00c45e6eed40604e270">00199</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="group__arithmetic.html#g72f0f1ea2b53e00c45e6eed40604e270" title="Divides a point by another.">divide_point</a>(Point1& p1, Point2 <span class="keyword">const</span>& p2)
|
||
<a name="l00200"></a>00200 {
|
||
<a name="l00201"></a>00201 BOOST_CONCEPT_ASSERT( (<a class="code" href="classboost_1_1geometry_1_1concept_1_1_point.html" title="Point concept.">concept::Point<Point2></a>) );
|
||
<a name="l00202"></a>00202 BOOST_CONCEPT_ASSERT( (<a class="code" href="classboost_1_1geometry_1_1concept_1_1_const_point.html" title="point concept (const version)">concept::ConstPoint<Point2></a>) );
|
||
<a name="l00203"></a>00203
|
||
<a name="l00204"></a>00204 <a class="code" href="namespaceboost_1_1geometry.html#02f69ee47aa6561a84aad36ab45c96b4">for_each_coordinate</a>(p1, detail::point_operation<Point2, std::divides>(p2));
|
||
<a name="l00205"></a>00205 }
|
||
<a name="l00206"></a>00206
|
||
<a name="l00207"></a>00207 }} <span class="comment">// namespace boost::geometry</span>
|
||
<a name="l00208"></a>00208
|
||
<a name="l00209"></a>00209 <span class="preprocessor">#endif // BOOST_GEOMETRY_ARITHMETIC_ARITHMETIC_HPP</span>
|
||
</pre></div></div>
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<hr size="1">
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<table width="100%">
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<tbody>
|
||
<tr>
|
||
<td align="left"><small>
|
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<p>December 1, 2009</p>
|
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</small></td>
|
||
<td align="right">
|
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<small>Copyright <20> 1995-2009 Barend Gehrels, Geodan, Amsterdam<br>
|
||
Copyright <20> 2008-2009 Bruno Lalande, Paris<br>
|
||
Copyright <20> 2009 Mateusz Loskot, Cadcorp, London<br>
|
||
</small>
|
||
</td>
|
||
</tr>
|
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</tbody>
|
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</table>
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|
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<address style="text-align: right;"><small>
|
||
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