1<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 2<html> 3<head> 4<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 5<title>Struct template scale</title> 6<link rel="stylesheet" href="../../../../doc/src/boostbook.css" type="text/css"> 7<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 8<link rel="home" href="../../index.html" title="The Boost C++ Libraries BoostBook Documentation Subset"> 9<link rel="up" href="../../boost_units/Reference.html#header.boost.units.scale_hpp" title="Header <boost/units/scale.hpp>"> 10<link rel="prev" href="reduce_unit.html" title="Struct template reduce_unit"> 11<link rel="next" href="base_unit_info.html" title="Struct template base_unit_info"> 12</head> 13<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 14<table cellpadding="2" width="100%"><tr> 15<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" 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name="boost.units.scale"></a><div class="titlepage"></div> 28<div class="refnamediv"> 29<h2><span class="refentrytitle">Struct template scale</span></h2> 30<p>boost::units::scale</p> 31</div> 32<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2> 33<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: <<a class="link" href="../../boost_units/Reference.html#header.boost.units.scale_hpp" title="Header <boost/units/scale.hpp>">boost/units/scale.hpp</a>> 34 35</span><span class="keyword">template</span><span class="special"><</span><span class="keyword">long</span> Base<span class="special">,</span> <span class="keyword">typename</span> Exponent<span class="special">></span> 36<span class="keyword">struct</span> <a class="link" href="scale.html" title="Struct template scale">scale</a> <span class="special">{</span> 37 <span class="comment">// types</span> 38 <span class="keyword">typedef</span> <span class="identifier">Exponent</span> <a name="boost.units.scale.exponent"></a><span class="identifier">exponent</span><span class="special">;</span> 39 <span class="keyword">typedef</span> <span class="keyword">double</span> <a name="boost.units.scale.value_type"></a><span class="identifier">value_type</span><span class="special">;</span> 40 41 <span class="comment">// <a class="link" href="scale.html#id-1_3_44_10_2_38_2_1_1_6-bb">public static functions</a></span> 42 <span class="keyword">static</span> <span class="identifier">BOOST_CONSTEXPR</span> <span class="identifier">value_type</span> <a class="link" href="scale.html#id-1_3_44_10_2_38_2_1_1_6_1-bb"><span class="identifier">value</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> 43 44 <span class="comment">// public data members</span> 45 <span class="identifier">BOOST_STATIC_CONSTEXPR</span> <span class="keyword">long</span> <span class="identifier">base</span><span class="special">;</span> 46<span class="special">}</span><span class="special">;</span></pre></div> 47<div class="refsect1"> 48<a name="id-1.3.44.10.2.38.4.4"></a><h2>Description</h2> 49<p>class representing a scaling factor such as 10^3 The exponent must be a static rational. </p> 50<div class="refsect2"> 51<a name="id-1.3.44.10.2.38.4.4.3"></a><h3> 52<a name="id-1_3_44_10_2_38_2_1_1_6-bb"></a><code class="computeroutput">scale</code> public static functions</h3> 53<div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem"><pre class="literallayout"><span class="keyword">static</span> <span class="identifier">BOOST_CONSTEXPR</span> <span class="identifier">value_type</span> <a name="id-1_3_44_10_2_38_2_1_1_6_1-bb"></a><span class="identifier">value</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></li></ol></div> 54</div> 55</div> 56</div> 57<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 58<td align="left"></td> 59<td align="right"><div class="copyright-footer">Copyright © 2003-2008 Matthias Christian Schabel<br>Copyright © 2007-2010 Steven 60 Watanabe<p> 61 Distributed under the Boost Software License, Version 1.0. (See accompanying 62 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>) 63 </p> 64</div></td> 65</tr></table> 66<hr> 67<div class="spirit-nav"> 68<a accesskey="p" href="reduce_unit.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../boost_units/Reference.html#header.boost.units.scale_hpp"><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="base_unit_info.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> 69</div> 70</body> 71</html> 72
