#include "slalib.h" #include "slamac.h" double slaEpj ( double date ) /* ** - - - - - - - ** s l a E p j ** - - - - - - - ** ** Conversion of Modified Julian Date to Julian epoch. ** ** (double precision) ** ** Given: ** date double Modified Julian Date (JD - 2400000.5) ** ** The result is the Julian epoch. ** ** Reference: ** Lieske,J.H., 1979. Astron. Astrophys.,73,282. ** ** Last revision: 31 October 1993 ** ** Copyright P.T.Wallace. All rights reserved. */ { return 2000.0 + ( date - 51544.5 ) / 365.25; }