ngth_t L, typename T , qualifier Q&gt; </td></tr>
<tr class="memitem:gab4a3637dbcb4bb42dc55caea7a1e0495"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL bool&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00235.html#gab4a3637dbcb4bb42dc55caea7a1e0495">isNull</a> (vec&lt; L, T, Q &gt; const &amp;v, T const &amp;epsilon)</td></tr>
<tr class="memdesc:gab4a3637dbcb4bb42dc55caea7a1e0495"><td class="mdescLeft">&#160;</td><td class="mdescRight">Check whether a ve