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26 <div class="titlepage"><div><div><h2 class="title" style="clear: both">
27 <a name="math_toolkit.atanh"></a><a class="link" href="atanh.html" title="atanh">atanh</a>
28 </h2></div></div></div>
30 <a name="math_toolkit.atanh.h0"></a>
31 <span class="phrase"><a name="math_toolkit.atanh.header"></a></span><a class="link" href="atanh.html#math_toolkit.atanh.header">Header:</a>
33 <pre class="programlisting"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">math</span><span class="special">/</span><span class="identifier">complex</span><span class="special">/</span><span class="identifier">atanh</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
36 <a name="math_toolkit.atanh.h1"></a>
37 <span class="phrase"><a name="math_toolkit.atanh.synopsis"></a></span><a class="link" href="atanh.html#math_toolkit.atanh.synopsis">Synopsis:</a>
39 <pre class="programlisting"><span class="keyword">template</span><span class="special"><</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">></span>
40 <span class="identifier">std</span><span class="special">::</span><span class="identifier">complex</span><span class="special"><</span><span class="identifier">T</span><span class="special">></span> <span class="identifier">atanh</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">complex</span><span class="special"><</span><span class="identifier">T</span><span class="special">>&</span> <span class="identifier">z</span><span class="special">);</span>
43 <span class="bold"><strong>Effects: </strong></span> returns the inverse hyperbolic tangent
44 of the complex number z.
47 <span class="bold"><strong>Formula: </strong></span> <span class="inlinemediaobject"><img src="../../images/atanh.png"></span>
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