1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>Header <boost/test/tools/floating_point_comparison.hpp></title> 5<link rel="stylesheet" href="../../../../boostbook.css" type="text/css"> 6<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 7<link rel="home" href="../../../../index.html" title="Boost.Test"> 8<link rel="up" href="../../../../boost_test/reference.html" title="Reference"> 9<link rel="prev" href="../../../../boost/test_tools/tolerance.html" title="Function tolerance"> 10<link rel="next" href="../../../../boost/math/fpc/close_at_tolerance.html" title="Class template close_at_tolerance"> 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> 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class="titlepage"><div><div><h4 class="title"> 27<a name="header.boost.test.tools.floating_point_comparison_hpp"></a>Header <<a href="../../../../../../../../boost/test/tools/floating_point_comparison.hpp" target="_top">boost/test/tools/floating_point_comparison.hpp</a>></h4></div></div></div> 28<p>algorithms for comparing floating point values </p> 29<pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span> 30 <span class="keyword">namespace</span> <span class="identifier">math</span> <span class="special">{</span> 31 <span class="keyword">namespace</span> <span class="identifier">fpc</span> <span class="special">{</span> 32 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> FPT<span class="special">></span> <span class="keyword">class</span> <a class="link" href="../../../../boost/math/fpc/close_at_tolerance.html" title="Class template close_at_tolerance">close_at_tolerance</a><span class="special">;</span> 33 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">></span> <span class="keyword">class</span> <a class="link" href="../../../../boost/math/fpc/is_abstr_idm45267287028352.html" title="Class template is_abstract_class_or_function">is_abstract_class_or_function</a><span class="special">;</span> 34 35 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> FPT<span class="special">></span> <span class="keyword">struct</span> <a class="link" href="../../../../boost/math/fpc/percent_tolerance_t.html" title="Struct template percent_tolerance_t">percent_tolerance_t</a><span class="special">;</span> 36 37 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> FPT<span class="special">></span> <span class="keyword">class</span> <a class="link" href="../../../../boost/math/fpc/small_with_tolerance.html" title="Class template small_with_tolerance">small_with_tolerance</a><span class="special">;</span> 38 39 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">></span> <span class="keyword">struct</span> <a class="link" href="../../../../boost/math/fpc/tolerance_based.html" title="Struct template tolerance_based">tolerance_based</a><span class="special">;</span> 40 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">bool</span> enabled<span class="special">></span> <span class="keyword">struct</span> <a class="link" href="../../../../boost/math/fpc/tolerance_based_delegate.html" title="Struct template tolerance_based_delegate">tolerance_based_delegate</a><span class="special">;</span> 41 42 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">></span> <span class="keyword">struct</span> <a class="link" href="../../../../boost/math/fpc/toleranc_idm45267287002304.html" title="Struct template tolerance_based_delegate<T, false>">tolerance_based_delegate</a><span class="special"><</span><span class="identifier">T</span><span class="special">,</span> <span class="keyword">false</span><span class="special">></span><span class="special">;</span> 43 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">></span> <span class="keyword">struct</span> <a class="link" href="../../../../boost/math/fpc/toleranc_idm45267286999776.html" title="Struct template tolerance_based_delegate<T, true>">tolerance_based_delegate</a><span class="special"><</span><span class="identifier">T</span><span class="special">,</span> <span class="keyword">true</span><span class="special">></span><span class="special">;</span> 44 45 <span class="comment">// Method for comparing floating point numbers. </span> 46 <span class="keyword">enum</span> <a name="boost.math.fpc.strength"></a>strength <span class="special">{</span> FPC_STRONG, FPC_WEAK <span class="special">}</span><span class="special">;</span> 47 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> FPT<span class="special">></span> 48 <span class="identifier">std</span><span class="special">::</span><span class="identifier">ostream</span> <span class="special">&</span> 49 <a name="boost.math.fpc.operator_idm45267286994800"></a><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">ostream</span> <span class="special">&</span> out<span class="special">,</span> <a class="link" href="../../../../boost/math/fpc/percent_tolerance_t.html" title="Struct template percent_tolerance_t">percent_tolerance_t</a><span class="special"><</span> <span class="identifier">FPT</span> <span class="special">></span> t<span class="special">)</span><span class="special">;</span> 50 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> FPT<span class="special">></span> 51 <a class="link" href="../../../../boost/math/fpc/percent_tolerance_t.html" title="Struct template percent_tolerance_t">percent_tolerance_t</a><span class="special"><</span> <span class="identifier">FPT</span> <span class="special">></span> <a name="boost.math.fpc.percent_tolerance"></a><span class="identifier">percent_tolerance</span><span class="special">(</span><span class="identifier">FPT</span> v<span class="special">)</span><span class="special">;</span> 52 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> FPT<span class="special">></span> <span class="keyword">bool</span> <a name="boost.math.fpc.is_small"></a><span class="identifier">is_small</span><span class="special">(</span><span class="identifier">FPT</span> fpv<span class="special">,</span> <span class="identifier">FPT</span> tolerance<span class="special">)</span><span class="special">;</span> 53 <span class="special">}</span> 54 <span class="special">}</span> 55<span class="special">}</span></pre> 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 © 2001-2020 Boost.Test contributors<p> 60 Distributed under the Boost Software License, Version 1.0. (See accompanying 61 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>) 62 </p> 63</div></td> 64</tr></table> 65<hr> 66<div class="spirit-nav"> 67<a accesskey="p" href="../../../../boost/test_tools/tolerance.html"><img src="../../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../../../boost_test/reference.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="../../../../boost/math/fpc/close_at_tolerance.html"><img src="../../../../../../../../doc/src/images/next.png" alt="Next"></a> 68</div> 69</body> 70</html> 71
