fx12</a>(12868, 4096);  <span class="comment">// 3.141592653589793 (π)</span></div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno">  109</span><span class="keyword">constexpr</span> <a class="code hl_class" href="classfpm_1_1fixed.html">fx12</a> FX12_PI_2      = <a class="code hl_typedef" href="submath_8h.html#a34079e067c653f58b234cba22bcfc525">fx12</a>(6434, 4096);   <span class="comment">// 1.5707963267948966 (π/2)</span></div>
<div class="line"><a id="l00110" name="l00110"></a>