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<div id="projectname">Ruby
 <span id="projectnumber">1.9.3p551(2014-11-13revision48407)</span>
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<li class="navelem"><a class="el" href="../../dir_f3bfeebb553c3f6ecfb19202628b4493.html">missing</a></li> </ul>
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<a href="../../df/df9/cbrt_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#include "<a class="code" href="../../d3/d90/missing_8h.html">ruby/missing.h</a>"</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#include <math.h></span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> </div>
<div class="line"><a name="l00004"></a><span class="lineno"><a class="line" href="../../df/df9/cbrt_8c.html#a8af00e2203928978e0242b4afd1d899f"> 4</a></span> <span class="keywordtype">double</span> <a class="code" href="../../d3/d90/missing_8h.html#a06124ca6e0c98d8ffdf0698c8f24b249">cbrt</a>(<span class="keywordtype">double</span> x)</div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> {</div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>  <span class="keywordflow">if</span> (x < 0)</div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>  <span class="keywordflow">return</span> -pow(-x, 1/3.0);</div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>  <span class="keywordflow">return</span> pow(x, 1/3.0);</div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> }</div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> </div>
<div class="ttc" id="missing_8h_html_a06124ca6e0c98d8ffdf0698c8f24b249"><div class="ttname"><a href="../../d3/d90/missing_8h.html#a06124ca6e0c98d8ffdf0698c8f24b249">cbrt</a></div><div class="ttdeci">RUBY_EXTERN double cbrt(double)</div><div class="ttdef"><b>Definition:</b> <a href="../../df/df9/cbrt_8c_source.html#l00004">cbrt.c:4</a></div></div>
<div class="ttc" id="missing_8h_html"><div class="ttname"><a href="../../d3/d90/missing_8h.html">missing.h</a></div></div>
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