1
C @(#)world.for 19.1 (ES0-DMD) 02/25/03 14:29:03
2
C===========================================================================
3
C Copyright (C) 1995 European Southern Observatory (ESO)
5
C This program is free software; you can redistribute it and/or
6
C modify it under the terms of the GNU General Public License as
7
C published by the Free Software Foundation; either version 2 of
8
C the License, or (at your option) any later version.
10
C This program is distributed in the hope that it will be useful,
11
C but WITHOUT ANY WARRANTY; without even the implied warranty of
12
C MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13
C GNU General Public License for more details.
15
C You should have received a copy of the GNU General Public
16
C License along with this program; if not, write to the Free
17
C Software Foundation, Inc., 675 Massachusetss Ave, Cambridge,
20
C Corresponding concerning ESO-MIDAS should be addressed as follows:
21
C Internet e-mail: midas@eso.org
22
C Postal address: European Southern Observatory
23
C Data Management Division
24
C Karl-Schwarzschild-Strasse 2
25
C D 85748 Garching bei Muenchen
27
C===========================================================================
30
C Provides functions for the manipulation of world
31
C coordinates in spectroscopy packages
34
C-----------------------------------------------------
35
FUNCTION XI_R8R8 (X, START, STEP)
37
DOUBLE PRECISION XI_R8R8
38
DOUBLE PRECISION X, START(1),STEP(1)
40
XI_R8R8 = (X-START(1))/step(1) + 1.D0
45
C----------------------------------------------------
46
FUNCTION IX_IR8(I,START,STEP)
48
DOUBLE PRECISION IX_IR8, START(1),STEP(1)
51
IX_IR8 = START(1) + (I-1.)*STEP(1)
56
C----------------------------------------------------
57
FUNCTION IX_R8R8(I,START,STEP)
59
DOUBLE PRECISION I, IX_R8R8, START(1),STEP(1)
61
IX_R8R8 = START(1) + (I-1.)*STEP(1)