1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>strategy::side::side_by_triangle</title> 5<link rel="stylesheet" href="../../../../../../../doc/src/boostbook.css" type="text/css"> 6<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 7<link rel="home" href="../../../index.html" title="Chapter 1. Geometry"> 8<link rel="up" href="../strategies.html" title="Strategies"> 9<link rel="prev" href="strategy_line_interpolate_spherical.html" title="strategy::line_interpolate::spherical"> 10<link rel="next" href="strategy_side_side_by_cross_track.html" title="strategy::side::side_by_cross_track"> 11</head> 12<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 13<table cellpadding="2" width="100%"><tr> 14<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../../../boost.png"></td> 15<td align="center"><a href="../../../../../../../index.html">Home</a></td> 16<td align="center"><a href="../../../../../../../libs/libraries.htm">Libraries</a></td> 17<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> 18<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> 19<td align="center"><a href="../../../../../../../more/index.htm">More</a></td> 20</tr></table> 21<hr> 22<div class="spirit-nav"> 23<a accesskey="p" href="strategy_line_interpolate_spherical.html"><img src="../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../strategies.html"><img src="../../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../index.html"><img src="../../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="strategy_side_side_by_cross_track.html"><img src="../../../../../../../doc/src/images/next.png" alt="Next"></a> 24</div> 25<div class="section"> 26<div class="titlepage"><div><div><h4 class="title"> 27<a name="geometry.reference.strategies.strategy_side_side_by_triangle"></a><a class="link" href="strategy_side_side_by_triangle.html" title="strategy::side::side_by_triangle">strategy::side::side_by_triangle</a> 28</h4></div></div></div> 29<p> 30 <a class="indexterm" name="idm45635668169392"></a><a class="indexterm" name="idm45635668168704"></a><a class="indexterm" name="idm45635668168016"></a> 31Check at which side of a segment a point lies: left of segment (> 0), 32 right of segment (< 0), on segment (0) 33 </p> 34<h6> 35<a name="geometry.reference.strategies.strategy_side_side_by_triangle.h0"></a> 36 <span class="phrase"><a name="geometry.reference.strategies.strategy_side_side_by_triangle.synopsis"></a></span><a class="link" href="strategy_side_side_by_triangle.html#geometry.reference.strategies.strategy_side_side_by_triangle.synopsis">Synopsis</a> 37 </h6> 38<p> 39</p> 40<pre class="programlisting"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> <span class="identifier">CalculationType</span><span class="special">></span> 41<span class="keyword">class</span> <span class="identifier">strategy</span><span class="special">::</span><span class="identifier">side</span><span class="special">::</span><span class="identifier">side_by_triangle</span> 42<span class="special">{</span> 43 <span class="comment">// ...</span> 44<span class="special">};</span> 45</pre> 46<p> 47 </p> 48<h6> 49<a name="geometry.reference.strategies.strategy_side_side_by_triangle.h1"></a> 50 <span class="phrase"><a name="geometry.reference.strategies.strategy_side_side_by_triangle.template_parameter_s_"></a></span><a class="link" href="strategy_side_side_by_triangle.html#geometry.reference.strategies.strategy_side_side_by_triangle.template_parameter_s_">Template 51 parameter(s)</a> 52 </h6> 53<div class="informaltable"><table class="table"> 54<colgroup> 55<col> 56<col> 57<col> 58</colgroup> 59<thead><tr> 60<th> 61 <p> 62 Parameter 63 </p> 64 </th> 65<th> 66 <p> 67 Default 68 </p> 69 </th> 70<th> 71 <p> 72 Description 73 </p> 74 </th> 75</tr></thead> 76<tbody><tr> 77<td> 78 <p> 79 typename CalculationType 80 </p> 81 </td> 82<td> 83 <p> 84 void 85 </p> 86 </td> 87<td> 88 <p> 89 numeric type for calculation (e.g. high precision); if <span class="bold"><strong>void</strong></span> then it is extracted automatically 90 from the coordinate type and (if necessary) promoted to floating 91 point 92 </p> 93 </td> 94</tr></tbody> 95</table></div> 96<h6> 97<a name="geometry.reference.strategies.strategy_side_side_by_triangle.h2"></a> 98 <span class="phrase"><a name="geometry.reference.strategies.strategy_side_side_by_triangle.member_function_s_"></a></span><a class="link" href="strategy_side_side_by_triangle.html#geometry.reference.strategies.strategy_side_side_by_triangle.member_function_s_">Member 99 Function(s)</a> 100 </h6> 101<div class="informaltable"><table class="table"> 102<colgroup> 103<col> 104<col> 105<col> 106<col> 107</colgroup> 108<thead><tr> 109<th> 110 <p> 111 Function 112 </p> 113 </th> 114<th> 115 <p> 116 Description 117 </p> 118 </th> 119<th> 120 <p> 121 Parameters 122 </p> 123 </th> 124<th> 125 <p> 126 Returns 127 </p> 128 </th> 129</tr></thead> 130<tbody> 131<tr> 132<td> 133 <p> 134</p> 135<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="identifier">envelope_strategy_type</span> <span class="identifier">get_envelope_strategy</span><span class="special">()</span></pre> 136<p> 137 </p> 138 </td> 139<td> 140 </td> 141<td> 142 </td> 143<td> 144 </td> 145</tr> 146<tr> 147<td> 148 <p> 149</p> 150<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="identifier">disjoint_strategy_type</span> <span class="identifier">get_disjoint_strategy</span><span class="special">()</span></pre> 151<p> 152 </p> 153 </td> 154<td> 155 </td> 156<td> 157 </td> 158<td> 159 </td> 160</tr> 161<tr> 162<td> 163 <p> 164</p> 165<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="identifier">equals_point_point_strategy_type</span> <span class="identifier">get_equals_point_point_strategy</span><span class="special">()</span></pre> 166<p> 167 </p> 168 </td> 169<td> 170 </td> 171<td> 172 </td> 173<td> 174 </td> 175</tr> 176<tr> 177<td> 178 <p> 179</p> 180<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> <span class="identifier">CoordinateType</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">PromotedType</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">P1</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">P2</span><span class="special">,</span> 181 <span class="keyword">typename</span> <span class="identifier">P</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">EpsPolicy</span><span class="special">></span> 182<span class="identifier">PromotedType</span> <span class="identifier">side_value</span><span class="special">(</span><span class="identifier">P1</span> <span class="keyword">const</span> <span class="special">&</span> <span class="identifier">p1</span><span class="special">,</span> <span class="identifier">P2</span> <span class="keyword">const</span> <span class="special">&</span> <span class="identifier">p2</span><span class="special">,</span> <span class="identifier">P</span> <span class="keyword">const</span> <span class="special">&</span> <span class="identifier">p</span><span class="special">,</span> 183 <span class="identifier">EpsPolicy</span> <span class="special">&</span> <span class="identifier">eps_policy</span><span class="special">)</span></pre> 184<p> 185 </p> 186 </td> 187<td> 188 </td> 189<td> 190 <p> 191 <span class="bold"><strong>P1 const &</strong></span>: <span class="emphasis"><em>p1</em></span>: 192 </p> 193 <p> 194 <span class="bold"><strong>P2 const &</strong></span>: <span class="emphasis"><em>p2</em></span>: 195 </p> 196 <p> 197 <span class="bold"><strong>P const &</strong></span>: <span class="emphasis"><em>p</em></span>: 198 </p> 199 <p> 200 <span class="bold"><strong>EpsPolicy &</strong></span>: <span class="emphasis"><em>eps_policy</em></span>: 201 </p> 202 </td> 203<td> 204 </td> 205</tr> 206<tr> 207<td> 208 <p> 209</p> 210<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> <span class="identifier">CoordinateType</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">PromotedType</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">P1</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">P2</span><span class="special">,</span> 211 <span class="keyword">typename</span> <span class="identifier">P</span><span class="special">></span> 212<span class="identifier">PromotedType</span> <span class="identifier">side_value</span><span class="special">(</span><span class="identifier">P1</span> <span class="keyword">const</span> <span class="special">&</span> <span class="identifier">p1</span><span class="special">,</span> <span class="identifier">P2</span> <span class="keyword">const</span> <span class="special">&</span> <span class="identifier">p2</span><span class="special">,</span> <span class="identifier">P</span> <span class="keyword">const</span> <span class="special">&</span> <span class="identifier">p</span><span class="special">)</span></pre> 213<p> 214 </p> 215 </td> 216<td> 217 </td> 218<td> 219 <p> 220 <span class="bold"><strong>P1 const &</strong></span>: <span class="emphasis"><em>p1</em></span>: 221 </p> 222 <p> 223 <span class="bold"><strong>P2 const &</strong></span>: <span class="emphasis"><em>p2</em></span>: 224 </p> 225 <p> 226 <span class="bold"><strong>P const &</strong></span>: <span class="emphasis"><em>p</em></span>: 227 </p> 228 </td> 229<td> 230 </td> 231</tr> 232<tr> 233<td> 234 <p> 235</p> 236<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> <span class="identifier">P1</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">P2</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">P</span><span class="special">></span> 237<span class="keyword">int</span> <span class="identifier">apply</span><span class="special">(</span><span class="identifier">P1</span> <span class="keyword">const</span> <span class="special">&</span> <span class="identifier">p1</span><span class="special">,</span> <span class="identifier">P2</span> <span class="keyword">const</span> <span class="special">&</span> <span class="identifier">p2</span><span class="special">,</span> <span class="identifier">P</span> <span class="keyword">const</span> <span class="special">&</span> <span class="identifier">p</span><span class="special">)</span></pre> 238<p> 239 </p> 240 </td> 241<td> 242 </td> 243<td> 244 <p> 245 <span class="bold"><strong>P1 const &</strong></span>: <span class="emphasis"><em>p1</em></span>: 246 </p> 247 <p> 248 <span class="bold"><strong>P2 const &</strong></span>: <span class="emphasis"><em>p2</em></span>: 249 </p> 250 <p> 251 <span class="bold"><strong>P const &</strong></span>: <span class="emphasis"><em>p</em></span>: 252 </p> 253 </td> 254<td> 255 </td> 256</tr> 257</tbody> 258</table></div> 259<h6> 260<a name="geometry.reference.strategies.strategy_side_side_by_triangle.h3"></a> 261 <span class="phrase"><a name="geometry.reference.strategies.strategy_side_side_by_triangle.header"></a></span><a class="link" href="strategy_side_side_by_triangle.html#geometry.reference.strategies.strategy_side_side_by_triangle.header">Header</a> 262 </h6> 263<p> 264 <code class="computeroutput"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">geometry</span><span class="special">/</span><span class="identifier">strategies</span><span class="special">/</span><span class="identifier">cartesian</span><span class="special">/</span><span class="identifier">side_by_triangle</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span></code> 265 </p> 266</div> 267<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 268<td align="left"></td> 269<td align="right"><div class="copyright-footer">Copyright © 2009-2019 Barend Gehrels, Bruno Lalande, Mateusz Loskot, Adam 270 Wulkiewicz, Oracle and/or its affiliates<p> 271 Distributed under the Boost Software License, Version 1.0. (See accompanying 272 file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>) 273 </p> 274</div></td> 275</tr></table> 276<hr> 277<div class="spirit-nav"> 278<a accesskey="p" href="strategy_line_interpolate_spherical.html"><img src="../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../strategies.html"><img src="../../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../index.html"><img src="../../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="strategy_side_side_by_cross_track.html"><img src="../../../../../../../doc/src/images/next.png" alt="Next"></a> 279</div> 280</body> 281</html> 282
