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<p>Return the golden ratio constant. </p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="a00708.html" title="Include &lt;glm/gtc/constants.hpp&gt; to use the features of this extension. ">GLM_GTC_constants</a> </dd></dl>

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<h2 class="memtitle"><span class="permalink"><a href="#ga0c36b41d462e45641faf7d7938948bac">&#9670;&nbsp;</a></span>half_pi()</