s declared above shall report a domain
        error for just those argument values for which:</em></span>
      </p></blockquote></div>
<div class="blockquote"><blockquote class="blockquote">
<p>
        <span class="emphasis"><em>"the function description's Returns clause explicitly specifies
        a domain, and those arguments fall outside the specified domain; or</em></span>
      </p>
<p>
        <span class="emphasis"><em>"the corresponding mathematical function value has a non-zero
        imaginar