classfpm_1_1fixed.html">fx12</a> FX12_SQRT1_2   = <a class="code hl_typedef" href="submath_8h.html#a34079e067c653f58b234cba22bcfc525">fx12</a>(2896, 4096);   <span class="comment">// 0.7071067811865475 (1/√2)</span></div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span><span class="keyword">constexpr</span> <a class="code hl_class" href="classfpm_1_1fixed.html">fx12</a> FX12_PI        = <a class="code hl_typedef" href="submath_8h.html#a34079e067c653f58b234cba22bcfc525">