Function besselianToMjd( besselianEpoch )

Description:
Converts Besselian Epoch to Modified Julian Date. For approximate purposes, the argument of this routine consists of an integral part which gives the year AD and a fractional part which represents the distance through that year, so that for instance 1950.5 is approximately 1 July 1950.
Parameters:
besselianEpoch (floating point)
Besselian epoch
Return Value (floating point):
modified Julian date
Example:
besselianToMjd(1950.0) = 33281.92346
Signature:
double besselianToMjd(double)