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<p>Return ln(ln(2)). </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="#gaf97ebc6c059ffd788e6c4946f71ef66c">&#9670;&nbsp;</a></span>ln_ten()</h2>

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