             `<a href="sincpt_c.html">sincpt_c</a>' and compare to the faster `<a href="surfpt_c.html">surfpt_c</a>' method.
                 ./
                 <a href="sincpt_c.html">sincpt_c</a> ( &quot;Ellipsoid&quot;,    &quot;Mars&quot;,   etrec, &quot;IAU_MARS&quot;,
                            ABCORR, &quot;MGS&quot;,  obsref,  bounds[1], 
                            spoint, &amp;etemit, srfvec, &amp;found );

                 if ( !found  )
                 {
                   <a href="setmsg_c.h