ecial">,</span> <span class="identifier">mp_type</span><span class="special">(</span><span class="number">123</span><span class="special">)</span> <span class="special">/</span> <span class="number">100</span><span class="special">))</span> <span class="special">/</span> <span class="identifier">pi</span><span class="special">&lt;</span><span class="identifier">mp_type</span><span class="special">&gt;();</span>

   <span class="comment">// 0.166369</span>
   <span class="identifier">std</span><span class="s