1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>make_zero</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="../make.html" title="make"> 9<link rel="prev" href="make_inverse.html" title="make_inverse"> 10<link rel="next" href="../num_geometries.html" title="num_geometries"> 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="make_inverse.html"><img src="../../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../make.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="../num_geometries.html"><img src="../../../../../../../../doc/src/images/next.png" alt="Next"></a> 24</div> 25<div class="section"> 26<div class="titlepage"><div><div><h5 class="title"> 27<a name="geometry.reference.algorithms.make.make_zero"></a><a class="link" href="make_zero.html" title="make_zero">make_zero</a> 28</h5></div></div></div> 29<p> 30 <a class="indexterm" name="idm45635691885584"></a> 31Construct a geometry with its coordinates initialized to zero. 32 </p> 33<h6> 34<a name="geometry.reference.algorithms.make.make_zero.h0"></a> 35 <span class="phrase"><a name="geometry.reference.algorithms.make.make_zero.description"></a></span><a class="link" href="make_zero.html#geometry.reference.algorithms.make.make_zero.description">Description</a> 36 </h6> 37<p> 38 The make_zero function initializes a 2D or 3D point or box with coordinates 39 of zero 40 </p> 41<h6> 42<a name="geometry.reference.algorithms.make.make_zero.h1"></a> 43 <span class="phrase"><a name="geometry.reference.algorithms.make.make_zero.synopsis"></a></span><a class="link" href="make_zero.html#geometry.reference.algorithms.make.make_zero.synopsis">Synopsis</a> 44 </h6> 45<p> 46</p> 47<pre class="programlisting"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> <span class="identifier">Geometry</span><span class="special">></span> 48<span class="identifier">Geometry</span> <span class="identifier">make_zero</span><span class="special">()</span></pre> 49<p> 50 </p> 51<h6> 52<a name="geometry.reference.algorithms.make.make_zero.h2"></a> 53 <span class="phrase"><a name="geometry.reference.algorithms.make.make_zero.parameters"></a></span><a class="link" href="make_zero.html#geometry.reference.algorithms.make.make_zero.parameters">Parameters</a> 54 </h6> 55<div class="informaltable"><table class="table"> 56<colgroup> 57<col> 58<col> 59<col> 60<col> 61</colgroup> 62<thead><tr> 63<th> 64 <p> 65 Type 66 </p> 67 </th> 68<th> 69 <p> 70 Concept 71 </p> 72 </th> 73<th> 74 <p> 75 Name 76 </p> 77 </th> 78<th> 79 <p> 80 Description 81 </p> 82 </th> 83</tr></thead> 84<tbody><tr> 85<td> 86 <p> 87 Geometry 88 </p> 89 </td> 90<td> 91 <p> 92 Any type fulfilling a Geometry Concept 93 </p> 94 </td> 95<td> 96 <p> 97 - 98 </p> 99 </td> 100<td> 101 <p> 102 Must be specified 103 </p> 104 </td> 105</tr></tbody> 106</table></div> 107<h6> 108<a name="geometry.reference.algorithms.make.make_zero.h3"></a> 109 <span class="phrase"><a name="geometry.reference.algorithms.make.make_zero.returns"></a></span><a class="link" href="make_zero.html#geometry.reference.algorithms.make.make_zero.returns">Returns</a> 110 </h6> 111<p> 112 The constructed and zero-initialized geometry 113 </p> 114<h6> 115<a name="geometry.reference.algorithms.make.make_zero.h4"></a> 116 <span class="phrase"><a name="geometry.reference.algorithms.make.make_zero.header"></a></span><a class="link" href="make_zero.html#geometry.reference.algorithms.make.make_zero.header">Header</a> 117 </h6> 118<p> 119 Either 120 </p> 121<p> 122 <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">hpp</span><span class="special">></span></code> 123 </p> 124<p> 125 Or 126 </p> 127<p> 128 <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">algorithms</span><span class="special">/</span><span class="identifier">make</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span></code> 129 </p> 130</div> 131<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 132<td align="left"></td> 133<td align="right"><div class="copyright-footer">Copyright © 2009-2019 Barend Gehrels, Bruno Lalande, Mateusz Loskot, Adam 134 Wulkiewicz, Oracle and/or its affiliates<p> 135 Distributed under the Boost Software License, Version 1.0. (See accompanying 136 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>) 137 </p> 138</div></td> 139</tr></table> 140<hr> 141<div class="spirit-nav"> 142<a accesskey="p" href="make_inverse.html"><img src="../../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../make.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="../num_geometries.html"><img src="../../../../../../../../doc/src/images/next.png" alt="Next"></a> 143</div> 144</body> 145</html> 146