ss="pcrb7t-">&#x00A0;-&#x003E;</span><span 
class="pcrb7t-">&#x00A0;Complex</span><span 
class="pcrb7t-">&#x00A0;a </span></td>
</tr></table>                                                                                   </div> <dd class="haddockdesc">
     <span 
class="pcrr7t-">cis</span><span 
class="pcrr7t-">&#x00A0;t </span>is a complex value with magnitude <span 
class="pcrr7t-">1 </span>and phase <span 
class="pcrr7t-">t </span>(modulo <span 
class="pcrr7t-">2&#x22C6;pi</span>).
     </dl>
<p clas