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28 <h2><span class="refentrytitle">Function template operator<<</span></h2>
29 <p>boost::units::operator<< — Print a <code class="computeroutput">quantity</code>. </p>
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="../../boost_units/Reference.html#header.boost.units.io_hpp" title="Header <boost/units/io.hpp>">boost/units/io.hpp</a>>
35 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> Char<span class="special">,</span> <span class="keyword">typename</span> Traits<span class="special">,</span> <span class="keyword">typename</span> Unit<span class="special">,</span> <span class="keyword">typename</span> T<span class="special">></span>
36 <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_ostream</span><span class="special"><</span> <span class="identifier">Char</span><span class="special">,</span> <span class="identifier">Traits</span> <span class="special">></span> <span class="special">&</span>
37 <span class="keyword">operator</span><span class="special"><<</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_ostream</span><span class="special"><</span> <span class="identifier">Char</span><span class="special">,</span> <span class="identifier">Traits</span> <span class="special">></span> <span class="special">&</span> os<span class="special">,</span>
38 <span class="keyword">const</span> <a class="link" href="quantity.html" title="Class template quantity">quantity</a><span class="special"><</span> <span class="identifier">Unit</span><span class="special">,</span> <span class="identifier">T</span> <span class="special">></span> <span class="special">&</span> q<span class="special">)</span><span class="special">;</span></pre></div>
39 <div class="refsect1">
40 <a name="id3558561"></a><h2>Description</h2>
41 <p>Prints the value followed by the unit. If the engineering_prefix, or binary_prefix is set, tries to scale the value appropriately. For example, it might print 12.345 km instead of 12345 m. (Note does <span class="bold"><strong>not</strong></span> attempt to automatically scale scalars like double, float...) </p>
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46 <td align="right"><div class="copyright-footer">Copyright © 2003-2008 Matthias Christian Schabel<br>Copyright © 2007-2010 Steven
48 Distributed under the Boost Software License, Version 1.0. (See accompanying
49 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>)
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