ntries<br></a>
             </small>
            </td>
          </tr>
        </tbody>
</table>

<h4><a name="Procedure">Procedure</a></h4>
<PRE>
   SpiceDouble vrel_c ( ConstSpiceDouble v1[3],
                        ConstSpiceDouble v2[3]  )

</PRE>
<h4><a name="Abstract">Abstract</a></h4>
<PRE>
   Return the relative difference between two 3-dimensional vectors.
</PRE>
<h4><a name="Required_Reading">Required_Reading</a></h4>
<PRE>
   None.
</PRE>
<h4><a name="Keywords">Keywords</a></h4>
<PRE>
   MATH
  