aboutsummaryrefslogtreecommitdiff
path: root/math/slalib/doc/kbj.hlp
blob: 519868a7ae5e4f616165be027f2199470e06bbd8 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
.help kbj Jun99 "Slalib Package"
.nf

      SUBROUTINE slKBJ (JB, E, K, J)

     - - - -
      K B J
     - - - -

  Select epoch prefix 'B' or 'J'

  Given:
     JB     int     slDBJI prefix status:  0=none, 1='B', 2='J'
     E      dp      epoch - Besselian or Julian

  Returned:
     K      char    'B' or 'J'
     J      int     status:  0=OK

  If JB=0, B is assumed for E < 1984D0, otherwise J.

  P.T.Wallace   Starlink   31 July 1989

  Copyright (C) 1995 Rutherford Appleton Laboratory
  Copyright (C) 1995 Association of Universities for Research in Astronomy Inc.

.fi
.endhelp