palEpco palEpco - Convert an epoch into the appropriate form - 'B' or 'J'

Description:
Converts a Besselian or Julian epoch to a Julian or Besselian epoch.

Invocation:
double palEpco( char k0, char k, double e );

Arguments:

k0 = char (Given)
Form of result: 'B'=Besselian, 'J'=Julian
k = char (Given)
Form of given epoch: 'B' or 'J'.

Notes: