s="identifier">arc</span> <span class="special">/</span> <span class="number">16</span> <span class="special">-</span> <span class="identifier">radius</span> <span class="special">*</span> <span class="identifier">radius</span><span class="special">);</span>
   <span class="identifier">T</span> <span class="identifier">min</span> <span class="special">=</span> <span class="number">0</span><span class="special">;</span>                                   <span class="comment">// Minimum possible value is zero