pkg/generic_advdiff/gad_grad_x.F

C $Header: $
C $Name: $

#include "GAD_OPTIONS.h"

      SUBROUTINE GAD_GRAD_X( 
     I           bi,bj,k,
     I           xA,
     I           tracer,
     O           dTdx,
     I           myThid )
      IMPLICIT NONE

C     == GLobal variables ==
#include "SIZE.h"
#include "GRID.h"

C     == Routine arguments ==
      INTEGER bi,bj,k
      _RS xA    (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
      _RL tracer(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
      _RL dTdx  (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
      INTEGER myThid

C     == Local variables ==
      INTEGER i,j

C     o Zonal tracer gradient
      DO j=1-Oly,sNy+Oly
       dTdx(1-Olx,j)=0.
       DO i=1-Olx+1,sNx+Olx
        dTdx(i,j) = _recip_dxC(i,j,bi,bj)*xA(i,j)
     &               *(tracer(i,j)-tracer(i-1,j))
#ifdef COSINEMETH_III
     &               *sqCosFacU(j,bi,bj)
#endif
       ENDDO
      ENDDO

      RETURN
      END
1	C $Header: $
2	C $Name: $
3
4	#include "GAD_OPTIONS.h"
5
6	SUBROUTINE GAD_GRAD_X(
7	I bi,bj,k,
8	I xA,
9	I tracer,
10	O dTdx,
11	I myThid )
12	IMPLICIT NONE
13
14	C == GLobal variables ==
15	#include "SIZE.h"
16	#include "GRID.h"
17
18	C == Routine arguments ==
19	INTEGER bi,bj,k
20	_RS xA (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
21	_RL tracer(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
22	_RL dTdx (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
23	INTEGER myThid
24
25	C == Local variables ==
26	INTEGER i,j
27
28	C o Zonal tracer gradient
29	DO j=1-Oly,sNy+Oly
30	dTdx(1-Olx,j)=0.
31	DO i=1-Olx+1,sNx+Olx
32	dTdx(i,j) = _recip_dxC(i,j,bi,bj)*xA(i,j)
33	& *(tracer(i,j)-tracer(i-1,j))
34	#ifdef COSINEMETH_III
35	& *sqCosFacU(j,bi,bj)
36	#endif
37	ENDDO
38	ENDDO
39
40	RETURN
41	END