at&lt;T, P&gt; const&amp; d);</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;        <span class="comment">// -- Explicit basic constructors --</span></div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;</div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;        GLM_FUNC_DECL GLM_CONSTEXPR tdualquat(qua&lt;T, Q&gt; const&amp; r