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<a name="boost.test_tools.tolerance"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle">Function tolerance</span></h2>
<p>boost::test_tools::tolerance</p>
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<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: &lt;<a class="link" href="../../header/boost/test/tools/detail/tolerance_manip_hpp.html" title="Header &lt;boost/test/tools/detail/tolerance_manip.hpp&gt;">boost/test/tools/detail/tolerance_manip.hpp</a>&gt;

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<span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> FPT<span class="special">&gt;</span> <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <span class="identifier">tolerance</span><span class="special">(</span><span class="identifier">FPT</span> v<span class="special">)</span><span class="special">;</span>
<span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> FPT<span class="special">&gt;</span> 
  <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <span class="identifier">tolerance</span><span class="special">(</span><span class="identifier">fpc</span><span class="special">::</span><span class="identifier">percent_tolerance_t</span><span class="special">&lt;</span> <span class="identifier">FPT</span> <span class="special">&gt;</span> v<span class="special">)</span><span class="special">;</span>
<span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <span class="identifier">tolerance</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></div>
<div class="refsect1">
<a name="idm45313887087936"></a><h2>Description</h2>
<p>Tolerance manipulator</p>
<p>These functions return a manipulator that can be used in conjunction with BOOST_TEST in order to specify the tolerance with which floating point comparisons are made. </p>
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