t</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">array</span><span class="special">&lt;</span><span class="identifier">mp_type</span><span class="special">,</span> <span class="number">32U</span><span class="special">&gt;</span> <span class="identifier">coefs</span> <span class="special">=</span>
  <span class="special">{{</span>
    <span class="identifier">mp_type</span><span class="special">(</span><span class="string">"+1.5707963267948966192313216916397