--- MITgcm/pkg/seaice/groatb.F	2003/02/28 09:34:06	1.4.4.3
+++ MITgcm/pkg/seaice/groatb.F	2003/08/07 02:31:29	1.9
@@ -1,7 +1,7 @@
 C 
 
 #include "SEAICE_OPTIONS.h"
- 
+
 CStartOfInterface
       SUBROUTINE groatb( A22, myThid )
 C     /==========================================================\
@@ -19,7 +19,17 @@
 #include "FFIELDS.h"
 #include "SEAICE.h"
 #include "SEAICE_FFIELDS.h"
- 
+
+#ifdef ALLOW_AUTODIFF_TAMC
+# include "tamc.h"
+#endif
+
+       COMMON /SEAICE_BOUND_RL/
+     &    MAX_HEFF, MIN_ATEMP, MIN_LWDOWN, MAX_TICE, MIN_TICE,
+     &    SEAICE_EPS, SEAICE_EPS_SQ
+      _RL SEAICE_EPS, SEAICE_EPS_SQ
+      _RL MAX_HEFF, MIN_ATEMP, MIN_LWDOWN, MAX_TICE, MIN_TICE
+
 C     === Routine arguments ===
 C     myThid - Thread no. that called this routine.
       _RL A22
@@ -33,25 +43,57 @@
 
       INTEGER i, j, bi, bj
       INTEGER KOPEN
-      _RL U1, V1, SPEED_SQ
-
+      _RL SPEED_SQ
       _RL HICE (1-OLx:sNx+OLx, 1-OLy:sNy+OLy)
       _RL UG   (1-OLx:sNx+OLx, 1-OLy:sNy+OLy)
 
-C if this is not done before then do it here
-      _EXCH_XY_R8(UWIND, myThid)
-      _EXCH_XY_R8(VWIND, myThid)
+#ifdef SEAICE_MULTILEVEL
+      INTEGER it
+      _RL RK
+      _RL HICEP(1-OLx:sNx+OLx, 1-OLy:sNy+OLy)
+      _RL FICEP(1-OLx:sNx+OLx, 1-OLy:sNy+OLy)
+#endif
 
-c$taf loop = parallel
+CADJ loop = parallel
       DO bj=myByLo(myThid),myByHi(myThid)
-c$taf loop = parallel
+CADJ loop = parallel
        DO bi=myBxLo(myThid),myBxHi(myThid)
+cph(
+#ifdef ALLOW_AUTODIFF_TAMC
+          act1 = bi - myBxLo(myThid)
+          max1 = myBxHi(myThid) - myBxLo(myThid) + 1
+          act2 = bj - myByLo(myThid)
+          max2 = myByHi(myThid) - myByLo(myThid) + 1
+          act3 = myThid - 1
+          max3 = nTx*nTy
+          act4 = ikey_dynamics - 1
+          iicekey = (act1 + 1) + act2*max1
+     &                      + act3*max1*max2
+     &                      + act4*max1*max2*max3
+#endif /* ALLOW_AUTODIFF_TAMC */
+c
+#ifdef ALLOW_AUTODIFF_TAMC
+CADJ STORE area(:,:,:,bi,bj) = comlev1_bibj, 
+CADJ &                         key = iicekey, byte = isbyte
+#endif /* ALLOW_AUTODIFF_TAMC */
+cph)
 
 C DETERMINE AMOUNT OF OPEN WATER AND ICE THICKNESS
         DO J=1,sNy
          DO I=1,sNx
           AREA(I,J,2,bi,bj)=MAX(A22,AREA(I,J,2,bi,bj))
           FHEFF(I,J,bi,bj)=0.0 _d 0
+#ifdef SEAICE_MULTILEVEL
+          FICEP(I,J)=0.0 _d 0
+#endif
+         ENDDO
+        ENDDO
+#ifdef ALLOW_AUTODIFF_TAMC
+CADJ STORE area(:,:,:,bi,bj) = comlev1_bibj, 
+CADJ &                         key = iicekey, byte = isbyte
+#endif /* ALLOW_AUTODIFF_TAMC */
+        DO J=1,sNy
+         DO I=1,sNx
           HICE(I,J)=HEFF(I,J,2,bi,bj)/AREA(I,J,2,bi,bj)
          ENDDO
         ENDDO
@@ -68,12 +110,8 @@
 
         DO J=1,sNy
          DO I=1,sNx
-          U1=0.25 _d 0*(UWIND(I-1,J-1,bi,bj)+UWIND(I-1,J,bi,bj)
-     1      +UWIND(I,J-1,bi,bj)+UWIND(I,J,bi,bj))
-          V1=0.25 _d 0*(VWIND(I-1,J-1,bi,bj)+VWIND(I-1,J,bi,bj)
-     1      +VWIND(I,J-1,bi,bj)+VWIND(I,J,bi,bj))
-          SPEED_SQ = U1**2 + V1**2
-          IF ( SPEED_SQ .LT. SEAICE_EPS_SQ ) THEN
+          SPEED_SQ = UWIND(I,J,bi,bj)**2 + VWIND(I,J,bi,bj)**2
+          IF ( SPEED_SQ .LE. SEAICE_EPS_SQ ) THEN
              UG(I,J)=SEAICE_EPS
           ELSE
              UG(I,J)=SQRT(SPEED_SQ)
@@ -81,13 +119,50 @@
          ENDDO
         ENDDO
 
+#ifdef ALLOW_AUTODIFF_TAMC
+CADJ STORE atemp(:,:,bi,bj)  = comlev1_bibj, 
+CADJ &                           key = iicekey, byte = isbyte
+CADJ STORE lwdown(:,:,bi,bj) = comlev1_bibj, 
+CADJ &                           key = iicekey, byte = isbyte
+#endif /* ALLOW_AUTODIFF_TAMC */
 C NOW DETERMINE GROWTH RATES
 C FIRST DO OPEN WATER
         KOPEN=-1
         CALL BUDGET(UG, TMIX, HICE, FO, KOPEN, bi, bj)
+
+#ifdef ALLOW_AUTODIFF_TAMC
+CADJ STORE atemp(:,:,bi,bj)  = comlev1_bibj, 
+CADJ &                           key = iicekey, byte = isbyte
+CADJ STORE lwdown(:,:,bi,bj) = comlev1_bibj, 
+CADJ &                           key = iicekey, byte = isbyte
+#endif /* ALLOW_AUTODIFF_TAMC */
 C NOW DO ICE
         KOPEN=1
+#ifdef SEAICE_MULTILEVEL
+        DO IT=1,7
+         DO J=1,sNy
+          DO I=1,sNx
+           RK=IT*1.0
+           HICEP(I,J)=(HICE(I,J)/7.0 _d 0)*((2.0 _d 0*RK)-1.0 _d 0)
+           TICE(I,J,bi,bj)=TICES(I,J,IT,bi,bj)
+          ENDDO
+         ENDDO
+         CALL BUDGET(UG, TICE, HICEP, FICE, KOPEN, bi, bj)
+         DO J=1,sNy
+          DO I=1,sNx
+           FICEP(I,J)=(FICE(I,J,bi,bj)/7.0 _d 0)+FICEP(I,J)
+           TICES(I,J,IT,bi,bj)=TICE(I,J,bi,bj)
+          ENDDO
+         ENDDO
+        ENDDO
+        DO J=1,sNy
+         DO I=1,sNx
+          FICE(I,J,bi,bj)=FICEP(I,J)
+         ENDDO
+        ENDDO
+#else  /* SEAICE_MULTILEVEL */
         CALL BUDGET(UG, TICE, HICE, FICE, KOPEN, bi, bj)
+#endif /* SEAICE_MULTILEVEL */
 
        ENDDO
       ENDDO