source: LMDZ5/trunk/libf/grid/fxyprim.h @ 1972

Last change on this file since 1972 was 1907, checked in by lguez, 11 years ago

Added a copyright property to every file of the distribution, except
for the fcm files (which have their own copyright). Use svn propget on
a file to see the copyright. For instance:

$ svn propget copyright libf/phylmd/physiq.F90
Name of program: LMDZ
Creation date: 1984
Version: LMDZ5
License: CeCILL version 2
Holder: Laboratoire de m\'et\'eorologie dynamique, CNRS, UMR 8539
See the license file in the root directory

Also added the files defining the CeCILL version 2 license, in French
and English, at the top of the LMDZ tree.
  • Property copyright set to
    Name of program: LMDZ
    Creation date: 1984
    Version: LMDZ5
    License: CeCILL version 2
    Holder: Laboratoire de m\'et\'eorologie dynamique, CNRS, UMR 8539
    See the license file in the root directory
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 1.6 KB
Line 
1!
2! $Header$
3!
4c-----------------------------------------------------------------------
5c INCLUDE 'fxyprim.h'
6c
7c    ................................................................
8c    ................  Fonctions in line  ...........................
9c    ................................................................
10c
11      REAL  fy, fx, fxprim, fyprim
12      REAL  ri, rj
13c
14c
15      fy    ( rj ) =    pi/REAL(jjm) * ( 0.5 * REAL(jjm) +  1. - rj  )
16      fyprim( rj ) =    pi/REAL(jjm)
17
18c     fy(rj)=ASIN(1.+2.*((1.-rj)/REAL(jjm)))
19c     fyprim(rj)=1./SQRT((rj-1.)*(jjm+1.-rj))
20
21      fx    ( ri ) = 2.*pi/REAL(iim) * ( ri - 0.5*  REAL(iim) - 1. )
22c     fx    ( ri ) = 2.*pi/REAL(iim) * ( ri - 0.5* ( REAL(iim) + 1.) )
23      fxprim( ri ) = 2.*pi/REAL(iim)
24c
25c
26c    La valeur de pi est passee par le common/const/ou /const2/ .
27c    Sinon, il faut la calculer avant d'appeler ces fonctions .
28c
29c   ----------------------------------------------------------------
30c     Fonctions a changer eventuellement, selon x(x) et y(y) choisis .
31c   -----------------------------------------------------------------
32c
33c    .....  ici, on a l'application particuliere suivante   ........
34c
35c                **************************************
36c                **     x = 2. * pi/iim *  X         **
37c                **     y =      pi/jjm *  Y         **
38c                **************************************
39c
40c   ..................................................................
41c   ..................................................................
42c
43c
44c
45c-----------------------------------------------------------------------
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