1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>Class template variable</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. Boost.Histogram"> 8<link rel="up" href="../../../histogram/reference.html#header.boost.histogram.axis.variable_hpp" title="Header <boost/histogram/axis/variable.hpp>"> 9<link rel="prev" href="traits/width_as.html" title="Function template width_as"> 10<link rel="next" href="operator_idm45503930480160.html" title="Function template operator=="> 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="../../../../../../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="traits/width_as.html"><img src="../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../../histogram/reference.html#header.boost.histogram.axis.variable_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="operator_idm45503930480160.html"><img src="../../../../../../../doc/src/images/next.png" alt="Next"></a> 24</div> 25<div class="refentry"> 26<a name="boost.histogram.axis.variable"></a><div class="titlepage"></div> 27<div class="refnamediv"> 28<h2><span class="refentrytitle">Class template variable</span></h2> 29<p>boost::histogram::axis::variable — Axis for non-equidistant bins on the real line. </p> 30</div> 31<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2> 32<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="../../../histogram/reference.html#header.boost.histogram.axis.variable_hpp" title="Header <boost/histogram/axis/variable.hpp>">boost/histogram/axis/variable.hpp</a>> 33 34</span><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> Value<span class="special">,</span> <span class="keyword">typename</span> MetaData<span class="special">,</span> <span class="keyword">typename</span> Options<span class="special">,</span> 35 <span class="keyword">typename</span> Allocator<span class="special">></span> 36<span class="keyword">class</span> <a class="link" href="variable.html" title="Class template variable">variable</a> <span class="special">:</span> <span class="keyword">public</span> boost::histogram::axis::iterator_mixin< variable< Value, MetaData, Options, Allocator > >, 37 <span class="keyword">public</span> metadata_base_t< MetaData > 38<span class="special">{</span> 39<span class="keyword">public</span><span class="special">:</span> 40 <span class="comment">// <a class="link" href="variable.html#boost.histogram.axis.variableconstruct-copy-destruct">construct/copy/destruct</a></span> 41 <a class="link" href="variable.html#idm45503930538144-bb"><span class="identifier">variable</span></a><span class="special">(</span><span class="special">)</span> <span class="special">=</span> <span class="keyword">default</span><span class="special">;</span> 42 <span class="keyword">explicit</span> <a class="link" href="variable.html#idm45503930537744-bb"><span class="identifier">variable</span></a><span class="special">(</span><span class="identifier">allocator_type</span><span class="special">)</span><span class="special">;</span> 43 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> It<span class="special">></span> 44 <a class="link" href="variable.html#idm45503930536656-bb"><span class="identifier">variable</span></a><span class="special">(</span><span class="identifier">It</span><span class="special">,</span> <span class="identifier">It</span><span class="special">,</span> <span class="identifier">metadata_type</span> <span class="special">=</span> <span class="special">{</span><span class="special">}</span><span class="special">,</span> <span class="identifier">allocator_type</span> <span class="special">=</span> <span class="special">{</span><span class="special">}</span><span class="special">)</span><span class="special">;</span> 45 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> U<span class="special">></span> 46 <a class="link" href="variable.html#idm45503930530064-bb"><span class="identifier">variable</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">U</span> <span class="special">&</span><span class="special">,</span> <span class="identifier">metadata_type</span> <span class="special">=</span> <span class="special">{</span><span class="special">}</span><span class="special">,</span> <span class="identifier">allocator_type</span> <span class="special">=</span> <span class="special">{</span><span class="special">}</span><span class="special">)</span><span class="special">;</span> 47 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> U<span class="special">></span> 48 <a class="link" href="variable.html#idm45503930524560-bb"><span class="identifier">variable</span></a><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">initializer_list</span><span class="special"><</span> <span class="identifier">U</span> <span class="special">></span><span class="special">,</span> <span class="identifier">metadata_type</span> <span class="special">=</span> <span class="special">{</span><span class="special">}</span><span class="special">,</span> 49 <span class="identifier">allocator_type</span> <span class="special">=</span> <span class="special">{</span><span class="special">}</span><span class="special">)</span><span class="special">;</span> 50 <a class="link" href="variable.html#idm45503930518768-bb"><span class="identifier">variable</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="variable.html" title="Class template variable">variable</a> <span class="special">&</span><span class="special">,</span> <span class="identifier">index_type</span><span class="special">,</span> <span class="identifier">index_type</span><span class="special">,</span> <span class="keyword">unsigned</span><span class="special">)</span><span class="special">;</span> 51 52 <span class="comment">// <a class="link" href="variable.html#idm45503930559520-bb">public member functions</a></span> 53 <span class="identifier">index_type</span> <a class="link" href="variable.html#idm45503930558960-bb"><span class="identifier">index</span></a><span class="special">(</span><span class="identifier">value_type</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span> 54 <span class="identifier">std</span><span class="special">::</span><span class="identifier">pair</span><span class="special"><</span> <span class="identifier">index_type</span><span class="special">,</span> <span class="identifier">index_type</span> <span class="special">></span> <a class="link" href="variable.html#idm45503930557008-bb"><span class="identifier">update</span></a><span class="special">(</span><span class="identifier">value_type</span><span class="special">)</span> <span class="keyword">noexcept</span><span class="special">;</span> 55 <span class="identifier">value_type</span> <a class="link" href="variable.html#idm45503930555344-bb"><span class="identifier">value</span></a><span class="special">(</span><span class="identifier">real_index_type</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span> 56 <span class="keyword">auto</span> <a class="link" href="variable.html#idm45503930553376-bb"><span class="identifier">bin</span></a><span class="special">(</span><span class="identifier">index_type</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span> 57 <span class="identifier">index_type</span> <a class="link" href="variable.html#idm45503930551424-bb"><span class="identifier">size</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span> 58 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> V<span class="special">,</span> <span class="keyword">typename</span> M<span class="special">,</span> <span class="keyword">typename</span> O<span class="special">,</span> <span class="keyword">typename</span> A<span class="special">></span> 59 <span class="keyword">bool</span> <a class="link" href="variable.html#idm45503930550128-bb"><span class="keyword">operator</span><span class="special">==</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="variable.html" title="Class template variable">variable</a><span class="special"><</span> <span class="identifier">V</span><span class="special">,</span> <span class="identifier">M</span><span class="special">,</span> <span class="identifier">O</span><span class="special">,</span> <span class="identifier">A</span> <span class="special">></span> <span class="special">&</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span> 60 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> V<span class="special">,</span> <span class="keyword">typename</span> M<span class="special">,</span> <span class="keyword">typename</span> O<span class="special">,</span> <span class="keyword">typename</span> A<span class="special">></span> 61 <span class="keyword">bool</span> <a class="link" href="variable.html#idm45503930546144-bb"><span class="keyword">operator</span><span class="special">!=</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="variable.html" title="Class template variable">variable</a><span class="special"><</span> <span class="identifier">V</span><span class="special">,</span> <span class="identifier">M</span><span class="special">,</span> <span class="identifier">O</span><span class="special">,</span> <span class="identifier">A</span> <span class="special">></span> <span class="special">&</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span> 62 <span class="keyword">auto</span> <a class="link" href="variable.html#idm45503930542160-bb"><span class="identifier">get_allocator</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 63 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> Archive<span class="special">></span> <span class="keyword">void</span> <a class="link" href="variable.html#idm45503930540896-bb"><span class="identifier">serialize</span></a><span class="special">(</span><span class="identifier">Archive</span> <span class="special">&</span><span class="special">,</span> <span class="keyword">unsigned</span><span class="special">)</span><span class="special">;</span> 64 65 <span class="comment">// <a class="link" href="variable.html#idm45503930515088-bb">public static functions</a></span> 66 <span class="keyword">static</span> <span class="keyword">constexpr</span> <span class="keyword">unsigned</span> <a class="link" href="variable.html#idm45503930514528-bb"><span class="identifier">options</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">noexcept</span><span class="special">;</span> 67<span class="special">}</span><span class="special">;</span></pre></div> 68<div class="refsect1"> 69<a name="idm45113191568640"></a><h2>Description</h2> 70<p>Binning is a O(log(N)) operation. If speed matters and the problem domain allows it, prefer a regular axis, possibly with a transform.</p> 71<p> 72</p> 73<div class="refsect2"> 74<a name="idm45113191567568"></a><h3>Template Parameters</h3> 75<div class="orderedlist"><ol class="orderedlist" type="1"> 76<li class="listitem"> 77<pre class="literallayout"><span class="keyword">typename</span> Value</pre> 78<p>input value type, must be floating point. </p> 79</li> 80<li class="listitem"> 81<pre class="literallayout"><span class="keyword">typename</span> MetaData</pre> 82<p>type to store meta data. </p> 83</li> 84<li class="listitem"> 85<pre class="literallayout"><span class="keyword">typename</span> Options</pre> 86<p>see boost::histogram::axis::option (all values allowed). </p> 87</li> 88<li class="listitem"> 89<pre class="literallayout"><span class="keyword">typename</span> Allocator</pre> 90<p>allocator to use for dynamic memory management. </p> 91</li> 92</ol></div> 93</div> 94<div class="refsect2"> 95<a name="idm45113191558096"></a><h3> 96<a name="boost.histogram.axis.variableconstruct-copy-destruct"></a><code class="computeroutput">variable</code> 97 public 98 construct/copy/destruct</h3> 99<div class="orderedlist"><ol class="orderedlist" type="1"> 100<li class="listitem"><pre class="literallayout"><a name="idm45503930538144-bb"></a><span class="identifier">variable</span><span class="special">(</span><span class="special">)</span> <span class="special">=</span> <span class="keyword">default</span><span class="special">;</span></pre></li> 101<li class="listitem"><pre class="literallayout"><span class="keyword">explicit</span> <a name="idm45503930537744-bb"></a><span class="identifier">variable</span><span class="special">(</span><span class="identifier">allocator_type</span> alloc<span class="special">)</span><span class="special">;</span></pre></li> 102<li class="listitem"> 103<pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> It<span class="special">></span> 104 <a name="idm45503930536656-bb"></a><span class="identifier">variable</span><span class="special">(</span><span class="identifier">It</span> begin<span class="special">,</span> <span class="identifier">It</span> end<span class="special">,</span> <span class="identifier">metadata_type</span> meta <span class="special">=</span> <span class="special">{</span><span class="special">}</span><span class="special">,</span> 105 <span class="identifier">allocator_type</span> alloc <span class="special">=</span> <span class="special">{</span><span class="special">}</span><span class="special">)</span><span class="special">;</span></pre>Construct from iterator range of bin edges. <p> 106</p> 107<div class="variablelist"><table border="0" class="variablelist compact"> 108<colgroup> 109<col align="left" valign="top"> 110<col> 111</colgroup> 112<tbody><tr> 113<td><p><span class="term">Parameters:</span></p></td> 114<td><div class="variablelist"><table border="0" class="variablelist compact"> 115<colgroup> 116<col align="left" valign="top"> 117<col> 118</colgroup> 119<tbody> 120<tr> 121<td><p><span class="term"><code class="computeroutput">alloc</code></span></p></td> 122<td><p>allocator instance to use. </p></td> 123</tr> 124<tr> 125<td><p><span class="term"><code class="computeroutput">begin</code></span></p></td> 126<td><p>begin of edge sequence. </p></td> 127</tr> 128<tr> 129<td><p><span class="term"><code class="computeroutput">end</code></span></p></td> 130<td><p>end of edge sequence. </p></td> 131</tr> 132<tr> 133<td><p><span class="term"><code class="computeroutput">meta</code></span></p></td> 134<td><p>description of the axis. </p></td> 135</tr> 136</tbody> 137</table></div></td> 138</tr></tbody> 139</table></div> 140</li> 141<li class="listitem"> 142<pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> U<span class="special">></span> 143 <a name="idm45503930530064-bb"></a><span class="identifier">variable</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">U</span> <span class="special">&</span> iterable<span class="special">,</span> <span class="identifier">metadata_type</span> meta <span class="special">=</span> <span class="special">{</span><span class="special">}</span><span class="special">,</span> 144 <span class="identifier">allocator_type</span> alloc <span class="special">=</span> <span class="special">{</span><span class="special">}</span><span class="special">)</span><span class="special">;</span></pre>Construct variable axis from iterable range of bin edges. <p> 145</p> 146<div class="variablelist"><table border="0" class="variablelist compact"> 147<colgroup> 148<col align="left" valign="top"> 149<col> 150</colgroup> 151<tbody><tr> 152<td><p><span class="term">Parameters:</span></p></td> 153<td><div class="variablelist"><table border="0" class="variablelist compact"> 154<colgroup> 155<col align="left" valign="top"> 156<col> 157</colgroup> 158<tbody> 159<tr> 160<td><p><span class="term"><code class="computeroutput">alloc</code></span></p></td> 161<td><p>allocator instance to use. </p></td> 162</tr> 163<tr> 164<td><p><span class="term"><code class="computeroutput">iterable</code></span></p></td> 165<td><p>iterable range of bin edges. </p></td> 166</tr> 167<tr> 168<td><p><span class="term"><code class="computeroutput">meta</code></span></p></td> 169<td><p>description of the axis. </p></td> 170</tr> 171</tbody> 172</table></div></td> 173</tr></tbody> 174</table></div> 175</li> 176<li class="listitem"> 177<pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> U<span class="special">></span> 178 <a name="idm45503930524560-bb"></a><span class="identifier">variable</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">initializer_list</span><span class="special"><</span> <span class="identifier">U</span> <span class="special">></span> list<span class="special">,</span> <span class="identifier">metadata_type</span> meta <span class="special">=</span> <span class="special">{</span><span class="special">}</span><span class="special">,</span> 179 <span class="identifier">allocator_type</span> alloc <span class="special">=</span> <span class="special">{</span><span class="special">}</span><span class="special">)</span><span class="special">;</span></pre>Construct variable axis from initializer list of bin edges. <p> 180</p> 181<div class="variablelist"><table border="0" class="variablelist compact"> 182<colgroup> 183<col align="left" valign="top"> 184<col> 185</colgroup> 186<tbody><tr> 187<td><p><span class="term">Parameters:</span></p></td> 188<td><div class="variablelist"><table border="0" class="variablelist compact"> 189<colgroup> 190<col align="left" valign="top"> 191<col> 192</colgroup> 193<tbody> 194<tr> 195<td><p><span class="term"><code class="computeroutput">alloc</code></span></p></td> 196<td><p>allocator instance to use. </p></td> 197</tr> 198<tr> 199<td><p><span class="term"><code class="computeroutput">list</code></span></p></td> 200<td><p><code class="computeroutput">std::initializer_list</code> of bin edges.</p></td> 201</tr> 202<tr> 203<td><p><span class="term"><code class="computeroutput">meta</code></span></p></td> 204<td><p>description of the axis. </p></td> 205</tr> 206</tbody> 207</table></div></td> 208</tr></tbody> 209</table></div> 210</li> 211<li class="listitem"> 212<pre class="literallayout"><a name="idm45503930518768-bb"></a><span class="identifier">variable</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="variable.html" title="Class template variable">variable</a> <span class="special">&</span> src<span class="special">,</span> <span class="identifier">index_type</span> begin<span class="special">,</span> <span class="identifier">index_type</span> end<span class="special">,</span> 213 <span class="keyword">unsigned</span> merge<span class="special">)</span><span class="special">;</span></pre>Constructor used by algorithm::reduce to shrink and rebin (not for users). </li> 214</ol></div> 215</div> 216<div class="refsect2"> 217<a name="idm45113191471392"></a><h3> 218<a name="idm45503930559520-bb"></a><code class="computeroutput">variable</code> public member functions</h3> 219<div class="orderedlist"><ol class="orderedlist" type="1"> 220<li class="listitem"> 221<pre class="literallayout"><span class="identifier">index_type</span> <a name="idm45503930558960-bb"></a><span class="identifier">index</span><span class="special">(</span><span class="identifier">value_type</span> x<span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span></pre>Return index for value argument. </li> 222<li class="listitem"><pre class="literallayout"><span class="identifier">std</span><span class="special">::</span><span class="identifier">pair</span><span class="special"><</span> <span class="identifier">index_type</span><span class="special">,</span> <span class="identifier">index_type</span> <span class="special">></span> <a name="idm45503930557008-bb"></a><span class="identifier">update</span><span class="special">(</span><span class="identifier">value_type</span> x<span class="special">)</span> <span class="keyword">noexcept</span><span class="special">;</span></pre></li> 223<li class="listitem"> 224<pre class="literallayout"><span class="identifier">value_type</span> <a name="idm45503930555344-bb"></a><span class="identifier">value</span><span class="special">(</span><span class="identifier">real_index_type</span> i<span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span></pre>Return value for fractional index argument. </li> 225<li class="listitem"> 226<pre class="literallayout"><span class="keyword">auto</span> <a name="idm45503930553376-bb"></a><span class="identifier">bin</span><span class="special">(</span><span class="identifier">index_type</span> idx<span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span></pre>Return bin for index argument. </li> 227<li class="listitem"> 228<pre class="literallayout"><span class="identifier">index_type</span> <a name="idm45503930551424-bb"></a><span class="identifier">size</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span></pre>Returns the number of bins, without over- or underflow. </li> 229<li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> V<span class="special">,</span> <span class="keyword">typename</span> M<span class="special">,</span> <span class="keyword">typename</span> O<span class="special">,</span> <span class="keyword">typename</span> A<span class="special">></span> 230 <span class="keyword">bool</span> <a name="idm45503930550128-bb"></a><span class="keyword">operator</span><span class="special">==</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="variable.html" title="Class template variable">variable</a><span class="special"><</span> <span class="identifier">V</span><span class="special">,</span> <span class="identifier">M</span><span class="special">,</span> <span class="identifier">O</span><span class="special">,</span> <span class="identifier">A</span> <span class="special">></span> <span class="special">&</span> o<span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span></pre></li> 231<li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> V<span class="special">,</span> <span class="keyword">typename</span> M<span class="special">,</span> <span class="keyword">typename</span> O<span class="special">,</span> <span class="keyword">typename</span> A<span class="special">></span> 232 <span class="keyword">bool</span> <a name="idm45503930546144-bb"></a><span class="keyword">operator</span><span class="special">!=</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="variable.html" title="Class template variable">variable</a><span class="special"><</span> <span class="identifier">V</span><span class="special">,</span> <span class="identifier">M</span><span class="special">,</span> <span class="identifier">O</span><span class="special">,</span> <span class="identifier">A</span> <span class="special">></span> <span class="special">&</span> o<span class="special">)</span> <span class="keyword">const</span> <span class="keyword">noexcept</span><span class="special">;</span></pre></li> 233<li class="listitem"> 234<pre class="literallayout"><span class="keyword">auto</span> <a name="idm45503930542160-bb"></a><span class="identifier">get_allocator</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>Return allocator instance. </li> 235<li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> Archive<span class="special">></span> <span class="keyword">void</span> <a name="idm45503930540896-bb"></a><span class="identifier">serialize</span><span class="special">(</span><span class="identifier">Archive</span> <span class="special">&</span> ar<span class="special">,</span> <span class="keyword">unsigned</span><span class="special">)</span><span class="special">;</span></pre></li> 236</ol></div> 237</div> 238<div class="refsect2"> 239<a name="idm45113191378256"></a><h3> 240<a name="idm45503930515088-bb"></a><code class="computeroutput">variable</code> public static functions</h3> 241<div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem"> 242<pre class="literallayout"><span class="keyword">static</span> <span class="keyword">constexpr</span> <span class="keyword">unsigned</span> <a name="idm45503930514528-bb"></a><span class="identifier">options</span><span class="special">(</span><span class="special">)</span> <span class="keyword">noexcept</span><span class="special">;</span></pre>Returns the options. </li></ol></div> 243</div> 244</div> 245</div> 246<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 247<td align="left"></td> 248<td align="right"><div class="copyright-footer">Copyright © 2016-2019 Hans 249 Dembinski<p> 250 Distributed under the Boost Software License, Version 1.0. (See accompanying 251 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 252 </p> 253</div></td> 254</tr></table> 255<hr> 256<div class="spirit-nav"> 257<a accesskey="p" href="traits/width_as.html"><img src="../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../../histogram/reference.html#header.boost.histogram.axis.variable_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="operator_idm45503930480160.html"><img src="../../../../../../../doc/src/images/next.png" alt="Next"></a> 258</div> 259</body> 260</html> 261