>
<PRE>
 
   None. 
 </PRE>
<h4><a name="Literature_References">Literature_References</a></h4>
<PRE>
 
   None. 
 </PRE>
<h4><a name="Author_and_Institution">Author_and_Institution</a></h4>
<PRE>
   W.L. Taber      (JPL) 
   I.M. Underwood  (JPL) 
   E.D. Wright     (JPL)
 </PRE>
<h4><a name="Version">Version</a></h4>
<PRE>
   -CSPICE Version 1.0.0, 08-FEB-1998 (EDW)
</PRE>
<h4><a name="Index_Entries">Index_Entries</a></h4>
<PRE>
 
   half the value of pi 
 </PRE>
<h4>Link to routine halfpi_c source file <a