ent">@param exponent in Q8n8 format.</span></div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;<span class="comment">@return pow(2,x) in Q16n16 format.</span></div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;<span class="comment">@todo Q16n16_pow2() accuracy needs more attention.</span></div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;<span class="comment">*/</span></div><div class="line"><a name="l00105"></a