 to <b>spkw03_c</b>:
 
                        btime
                        intlen
                        n

                     The value of TOLSCL is 1.e-13. </PRE>
<h4><a name="Exceptions">Exceptions</a></h4>
<PRE>
 
   1)  If the number of sets of coefficients is not positive 
       SPICE(NUMCOEFFSNOTPOS) is signaled. 
 
   2)  If the interval length is not positive, SPICE(INTLENNOTPOS) 
       is signaled. 
 
   3)  If the integer code for the reference frame is not recognized, 
       SPICE(INVALI