1 |
C $Header: /u/gcmpack/MITgcm/model/src/cycle_ab_tracer.F,v 1.2 2014/08/14 16:49:19 jmc Exp $ |
2 |
C $Name: $ |
3 |
|
4 |
#include "CPP_OPTIONS.h" |
5 |
|
6 |
CBOP |
7 |
C !ROUTINE: CYCLE_AB_TRACER |
8 |
C !INTERFACE: |
9 |
SUBROUTINE CYCLE_AB_TRACER( |
10 |
I bi, bj, |
11 |
I tracNew, |
12 |
U tracer, |
13 |
O tracNm1, |
14 |
I myTime, myIter, myThid ) |
15 |
C !DESCRIPTION: \bv |
16 |
C *==========================================================* |
17 |
C | S/R CYCLE_AB_TRACER |
18 |
C *==========================================================* |
19 |
C | o Cycles the time-stepping arrays for a tracer field |
20 |
C *==========================================================* |
21 |
C \ev |
22 |
C !USES: |
23 |
IMPLICIT NONE |
24 |
C Common |
25 |
#include "SIZE.h" |
26 |
#include "EEPARAMS.h" |
27 |
#include "PARAMS.h" |
28 |
|
29 |
C !INPUT/OUTPUT PARAMETERS: |
30 |
C bi, bj :: current tile indices |
31 |
C tracNew :: next time-step tracer field |
32 |
C tracer :: current time-step tracer field |
33 |
C tracNm1 :: previous time-step tracer field |
34 |
C myTime :: Current simulation time |
35 |
C myIter :: Current time-step number |
36 |
C myThid :: my Thread Id number |
37 |
INTEGER bi,bj |
38 |
_RL tracNew(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
39 |
_RL tracer (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
40 |
_RL tracNm1(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
41 |
_RL myTime |
42 |
INTEGER myIter, myThid |
43 |
|
44 |
C !LOCAL VARIABLES: |
45 |
INTEGER i,j,k |
46 |
CEOP |
47 |
|
48 |
C Rotate tracNew/tracer/tracNm1 |
49 |
DO k=1,Nr |
50 |
DO j=1-OLy,sNy+OLy |
51 |
DO i=1-OLx,sNx+OLx |
52 |
tracNm1(i,j,k) = tracer(i,j,k) |
53 |
tracer(i,j,k) = tracNew(i,j,k) |
54 |
ENDDO |
55 |
ENDDO |
56 |
ENDDO |
57 |
|
58 |
RETURN |
59 |
END |