source: LMDZ4/trunk/libf/grid/fxy_new.h @ 524

Last change on this file since 524 was 524, checked in by lmdzadmin, 20 years ago

Initial revision
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 918 bytes
Line 
1!
2! $Header$
3!
4c--------------------------------------------------------------
5         REAL ripx
6         REAL fx,fxprim,fy,fyprim,ri,rj,bigy
7c
8c....stretching in x...
9c
10        ripx(  ri )= (ri-1.0) *2.*pi/FLOAT(iim) 
11        fx  (  ri )= ripx(ri) + transx  +
12     *         alphax * SIN( ripx(ri)+transx-pxo ) - pi
13        fxprim(ri) = 2.*pi/FLOAT(iim)  *
14     *        ( 1.+ alphax * COS( ripx(ri)+transx-pxo ) )
15
16c....stretching in y...
17c
18        bigy(rj)   = 2.* (FLOAT(jjp1)-rj ) *pi/jjm
19        fy(rj)     =  ( bigy(rj) + transy  +
20     *        alphay * SIN( bigy(rj)+transy-pyo ) ) /2.  - pi/2.
21        fyprim(rj) = ( pi/jjm ) * ( 1.+
22     *           alphay * COS( bigy(rj)+transy-pyo ) )
23
24c       fy(rj)= pyo-pisjjm*(rj-transy)+coefalpha*SIN(depisjm*(rj-
25c     *  transy ))
26c       fyprim(rj)= pisjjm-pisjjm*coefy2* COS(depisjm*(rj-transy)) 
27c--------------------------------------------------------------
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