ing-point values with layout <span class="emphasis"><em>s</em></span>111 1111 1<span class="emphasis"><em>a</em></span>xx
        xxxx xxxx xxxx xxxx xxxx where <span class="emphasis"><em>s</em></span> is the sign, <span class="emphasis"><em>x</em></span>
        is the payload, and bit <span class="emphasis"><em>a</em></span> determines the type of NaN.
      </p>
<p>
        If bit <span class="emphasis"><em>a</em></span> = 1, it is a quiet NaN.
      </p>
<p>
        If bit <span class="emphasis"><em>a</