1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>exception</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="../exceptions.html" title="Exceptions"> 9<link rel="prev" href="../exceptions.html" title="Exceptions"> 10<link rel="next" href="centroid_exception.html" title="centroid_exception"> 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="../exceptions.html"><img src="../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../exceptions.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="centroid_exception.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.exceptions.exception"></a><a class="link" href="exception.html" title="exception">exception</a> 28</h4></div></div></div> 29<p> 30 <a class="indexterm" name="idm45635682074528"></a> 31Base exception class for Boost.Geometry algorithms. 32 </p> 33<h6> 34<a name="geometry.reference.exceptions.exception.h0"></a> 35 <span class="phrase"><a name="geometry.reference.exceptions.exception.description"></a></span><a class="link" href="exception.html#geometry.reference.exceptions.exception.description">Description</a> 36 </h6> 37<p> 38 This class is never thrown. All exceptions thrown in Boost.Geometry are 39 derived from exception, so it might be convenient to catch it. 40 </p> 41<h6> 42<a name="geometry.reference.exceptions.exception.h1"></a> 43 <span class="phrase"><a name="geometry.reference.exceptions.exception.synopsis"></a></span><a class="link" href="exception.html#geometry.reference.exceptions.exception.synopsis">Synopsis</a> 44 </h6> 45<p> 46</p> 47<pre class="programlisting"><span class="keyword">class</span> <span class="identifier">exception</span> 48 <span class="special">:</span> <span class="keyword">public</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">exception</span> 49<span class="special">{</span> 50 <span class="comment">// ...</span> 51<span class="special">};</span> 52</pre> 53<p> 54 </p> 55<h6> 56<a name="geometry.reference.exceptions.exception.h2"></a> 57 <span class="phrase"><a name="geometry.reference.exceptions.exception.member_function_s_"></a></span><a class="link" href="exception.html#geometry.reference.exceptions.exception.member_function_s_">Member 58 Function(s)</a> 59 </h6> 60<div class="informaltable"><table class="table"> 61<colgroup> 62<col> 63<col> 64<col> 65<col> 66</colgroup> 67<thead><tr> 68<th> 69 <p> 70 Function 71 </p> 72 </th> 73<th> 74 <p> 75 Description 76 </p> 77 </th> 78<th> 79 <p> 80 Parameters 81 </p> 82 </th> 83<th> 84 <p> 85 Returns 86 </p> 87 </th> 88</tr></thead> 89<tbody><tr> 90<td> 91 <p> 92</p> 93<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="keyword">char</span> <span class="keyword">const</span> <span class="special">*</span> <span class="identifier">what</span><span class="special">()</span></pre> 94<p> 95 </p> 96 </td> 97<td> 98 </td> 99<td> 100 </td> 101<td> 102 </td> 103</tr></tbody> 104</table></div> 105<h6> 106<a name="geometry.reference.exceptions.exception.h3"></a> 107 <span class="phrase"><a name="geometry.reference.exceptions.exception.header"></a></span><a class="link" href="exception.html#geometry.reference.exceptions.exception.header">Header</a> 108 </h6> 109<p> 110 <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">core</span><span class="special">/</span><span class="identifier">exception</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span></code> 111 </p> 112</div> 113<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 114<td align="left"></td> 115<td align="right"><div class="copyright-footer">Copyright © 2009-2019 Barend Gehrels, Bruno Lalande, Mateusz Loskot, Adam 116 Wulkiewicz, Oracle and/or its affiliates<p> 117 Distributed under the Boost Software License, Version 1.0. (See accompanying 118 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>) 119 </p> 120</div></td> 121</tr></table> 122<hr> 123<div class="spirit-nav"> 124<a accesskey="p" href="../exceptions.html"><img src="../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../exceptions.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="centroid_exception.html"><img src="../../../../../../../doc/src/images/next.png" alt="Next"></a> 125</div> 126</body> 127</html> 128