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C $Name$ |
C $Name$ |
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#include "GMREDI_OPTIONS.h" |
#include "GMREDI_OPTIONS.h" |
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C !ROUTINE: EIGENVAL |
C !ROUTINE: EIGENVAL |
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C !INTERFACE: |
C !INTERFACE: |
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SUBROUTINE GMREDI_CALC_EIGS( |
SUBROUTINE GMREDI_CALC_EIGS( |
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C !DESCRIPTION: \bv |
C !DESCRIPTION: \bv |
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C *==========================================================* |
C *==========================================================* |
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C | SUBROUTINE GMREDI_CALC_URMS |
C | SUBROUTINE GMREDI_CALC_URMS |
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C | o Calculate the vertical structure of the rms eddy |
C | o Calculate the vertical structure of the rms eddy |
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C | velocity based on baroclinic modal decomposition |
C | velocity based on baroclinic modal decomposition |
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C *==========================================================* |
C *==========================================================* |
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C \ev |
C \ev |
36 |
INTEGER iMin,iMax,jMin,jMax |
INTEGER iMin,iMax,jMin,jMax |
37 |
INTEGER bi, bj |
INTEGER bi, bj |
38 |
INTEGER myThid |
INTEGER myThid |
39 |
INTEGER kLow(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
INTEGER kLow(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
40 |
_RL mask(1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr) |
_RL mask(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
41 |
_RL hfac(1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr) |
_RL hfac(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
42 |
_RL recip_hfac(1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr) |
_RL recip_hfac(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
43 |
_RL N2( 1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr) |
_RL N2( 1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
44 |
_RL Kdef(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
_RL Kdef(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
45 |
_RL vec(GM_K3D_NModes,1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr) |
_RL vec(GM_K3D_NModes,1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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#ifdef GM_K3D |
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C !LOCAL VARIABLES: |
C !LOCAL VARIABLES: |
49 |
C == Local variables == |
C == Local variables == |
50 |
INTEGER i,j,k,kk,m,info |
INTEGER i,j,k,kk,m,info |
51 |
_RL small |
_RL small |
52 |
_RL a3d( 1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr) |
_RL a3d( 1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
53 |
_RL b3d( 1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr) |
_RL b3d( 1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
54 |
_RL c3d( 1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr) |
_RL c3d( 1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
55 |
_RL vecint(GM_K3D_NModes,1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
_RL vecint(GM_K3D_NModes,1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
56 |
_RL val( 1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
_RL val( 1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL fCori2(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
_RL fCori2(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL eigR(Nr),eigI(Nr),vecs(Nr,Nr),dummy(1,Nr),work(Nr*Nr) |
_RL eigR(Nr),eigI(Nr),vecs(Nr,Nr),dummy(1,Nr),work(Nr*Nr) |
59 |
_RL array(Nr,Nr) |
_RL array(Nr,Nr) |
60 |
_RL eigval(0:GM_K3D_NModes) |
_RL eigval(0:GM_K3D_NModes) |
61 |
INTEGER idx |
INTEGER idx |
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#ifdef ALLOW_DIAGNOSTICS |
#ifdef ALLOW_DIAGNOSTICS |
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_RL vec_diag(1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr) |
_RL vec_diag(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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#endif |
#endif |
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small = TINY(zeroRL) |
small = TINY(zeroRL) |
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C Square of the Coriolis parameter |
C Square of the Coriolis parameter |
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DO i=1-Olx,sNx+Olx |
DO i=1-OLx,sNx+OLx |
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DO j=1-Oly,sNy+Oly |
DO j=1-OLy,sNy+OLy |
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fCori2(i,j) = fCori(i,j,bi,bj)*fCori(i,j,bi,bj) |
fCori2(i,j) = fCori(i,j,bi,bj)*fCori(i,j,bi,bj) |
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ENDDO |
ENDDO |
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ENDDO |
ENDDO |
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DO k=1,Nr |
DO k=1,Nr |
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DO j=1-Oly,sNy+Oly |
DO j=1-OLy,sNy+OLy |
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DO i=1-Olx,sNx+Olx |
DO i=1-OLx,sNx+OLx |
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DO m=1,GM_K3D_NModes |
DO m=1,GM_K3D_NModes |
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vec(m,i,j,k) = zeroRL |
vec(m,i,j,k) = zeroRL |
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ENDDO |
ENDDO |
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C a3d is the lower off-diagonal, b3d is the diagonal |
C a3d is the lower off-diagonal, b3d is the diagonal |
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C and c3d is the upper off-diagonal |
C and c3d is the upper off-diagonal |
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DO k=1,Nr |
DO k=1,Nr |
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DO j=1-Oly,sNy+Oly |
DO j=1-OLy,sNy+OLy |
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DO i=1-Olx,sNx+Olx |
DO i=1-OLx,sNx+OLx |
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IF (kLow(i,j) .GT. 0) THEN |
IF (kLow(i,j) .GT. 0) THEN |
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IF (k.EQ.1) THEN |
IF (k.EQ.1) THEN |
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a3d(i,j,k) = zeroRL |
a3d(i,j,k) = zeroRL |
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ELSEIF (k.LT.kLow(i,j)) THEN |
ELSEIF (k.LT.kLow(i,j)) THEN |
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IF (k+1.GT.Nr) THEN |
IF (k+1.GT.Nr) THEN |
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PRINT '(a4,x,3(a1,i2),a1,3(x,i2))', 'kp1:', |
PRINT '(a4,x,3(a1,i2),a1,3(x,i2))', 'kp1:', |
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& '(',i,',',j,',',k,')', |
& '(',i,',',j,',',k,')', |
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& kLow(i,j), k+1, Nr |
& kLow(i,j), k+1, Nr |
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ENDIF |
ENDIF |
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ELSEIF (k.EQ.kLow(i,j)) THEN |
ELSEIF (k.EQ.kLow(i,j)) THEN |
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IF (k.GT.Nr) THEN |
IF (k.GT.Nr) THEN |
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PRINT '(a4,x,3(a1,i2),a1,3(x,i2))', 'k :', |
PRINT '(a4,x,3(a1,i2),a1,3(x,i2))', 'k :', |
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& '(',i,',',j,',',k,')', |
& '(',i,',',j,',',k,')', |
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& kLow(i,j), k, Nr |
& kLow(i,j), k, Nr |
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ENDIF |
ENDIF |
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ENDDO |
ENDDO |
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#ifdef use_lapack |
#ifdef use_lapack |
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DO j=1-Oly,sNy+Oly |
DO j=1-OLy,sNy+OLy |
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DO i=1-Olx,sNx+Olx |
DO i=1-OLx,sNx+OLx |
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IF (kLow(i,j).GT.0) THEN |
IF (kLow(i,j).GT.0) THEN |
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DO kk=1,Nr |
DO kk=1,Nr |
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DO k=1,Nr |
DO k=1,Nr |
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array(k,kk) = zeroRL |
array(k,kk) = zeroRL |
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ENDDO |
ENDDO |
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ENDDO |
ENDDO |
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k=1 |
k=1 |
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array(k,k) = b3d(i,j,k) |
array(k,k) = b3d(i,j,k) |
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array(k,k+1) = c3d(i,j,k) |
array(k,k+1) = c3d(i,j,k) |
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k=Nr |
k=Nr |
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array(k,k-1) = a3d(i,j,k) |
array(k,k-1) = a3d(i,j,k) |
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array(k,k) = b3d(i,j,k) |
array(k,k) = b3d(i,j,k) |
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CALL DGEEV('N','V',Nr,array,Nr,eigR,eigI,dummy,1, |
CALL DGEEV('N','V',Nr,array,Nr,eigR,eigI,dummy,1, |
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& vecs,Nr,work,Nr*Nr,info) |
& vecs,Nr,work,Nr*Nr,info) |
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C Find the second largest eigenvalue (the Rossby radius) |
C Find the second largest eigenvalue (the Rossby radius) |
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C and the first M baroclinic modes (eigenvectors) |
C and the first M baroclinic modes (eigenvectors) |
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DO m=0,GM_K3D_NModes |
DO m=0,GM_K3D_NModes |
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eigval(m) = -HUGE(zeroRL) |
eigval(m) = -HUGE(zeroRL) |
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ENDDO |
ENDDO |
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DO k=1,kLow(i,j) |
DO k=1,kLow(i,j) |
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eigval(0) = MAX(eigval(0),eigR(k)) |
eigval(0) = MAX(eigval(0),eigR(k)) |
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ENDDO |
ENDDO |
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vec(m,i,j,k)=zeroRL |
vec(m,i,j,k)=zeroRL |
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ENDDO |
ENDDO |
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ENDDO |
ENDDO |
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ENDIF |
ENDIF |
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ENDDO |
ENDDO |
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ENDDO |
ENDDO |
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C Normalise the eigenvectors |
C Normalise the eigenvectors |
202 |
DO j=1-Oly,sNy+Oly |
DO j=1-OLy,sNy+OLy |
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DO i=1-Olx,sNx+Olx |
DO i=1-OLx,sNx+OLx |
204 |
DO m=1,GM_K3D_NModes |
DO m=1,GM_K3D_NModes |
205 |
vecint(m,i,j) = zeroRL |
vecint(m,i,j) = zeroRL |
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ENDDO |
ENDDO |
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ENDDO |
ENDDO |
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DO k=1,Nr |
DO k=1,Nr |
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DO j=1-Oly,sNy+Oly |
DO j=1-OLy,sNy+OLy |
212 |
DO i=1-Olx,sNx+Olx |
DO i=1-OLx,sNx+OLx |
213 |
DO m=1,GM_K3D_NModes |
DO m=1,GM_K3D_NModes |
214 |
vecint(m,i,j) = vecint(m,i,j) + |
vecint(m,i,j) = vecint(m,i,j) + |
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& mask(i,j,k)*drF(k)*hfac(i,j,k) |
& mask(i,j,k)*drF(k)*hfac(i,j,k) |
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& *vec(m,i,j,k)*vec(m,i,j,k) |
& *vec(m,i,j,k)*vec(m,i,j,k) |
217 |
ENDDO |
ENDDO |
219 |
ENDDO |
ENDDO |
220 |
ENDDO |
ENDDO |
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222 |
DO j=1-Oly,sNy+Oly |
DO j=1-OLy,sNy+OLy |
223 |
DO i=1-Olx,sNx+Olx |
DO i=1-OLx,sNx+OLx |
224 |
DO m=1,GM_K3D_NModes |
DO m=1,GM_K3D_NModes |
225 |
vecint(m,i,j) = SQRT(vecint(m,i,j)) |
vecint(m,i,j) = SQRT(vecint(m,i,j)) |
226 |
ENDDO |
ENDDO |
228 |
ENDDO |
ENDDO |
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DO k=1,Nr |
DO k=1,Nr |
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DO j=1-Oly,sNy+Oly |
DO j=1-OLy,sNy+OLy |
232 |
DO i=1-Olx,sNx+Olx |
DO i=1-OLx,sNx+OLx |
233 |
DO m=1,GM_K3D_NModes |
DO m=1,GM_K3D_NModes |
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vec(m,i,j,k) = vec(m,i,j,k)/(vecint(m,i,j)+small) |
vec(m,i,j,k) = vec(m,i,j,k)/(vecint(m,i,j)+small) |
235 |
ENDDO |
ENDDO |
237 |
ENDDO |
ENDDO |
238 |
ENDDO |
ENDDO |
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#else |
#else |
241 |
C CALL EIGENVAL(a3d,b3d,c3d,bi,bj,val) |
C CALL EIGENVAL(a3d,b3d,c3d,bi,bj,val) |
242 |
C CALL EIGENVEC(a3d,b3d,c3d,val,1,bi,bj,vec) |
C CALL EIGENVEC(a3d,b3d,c3d,val,1,bi,bj,vec) |
243 |
#endif |
#endif |
244 |
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245 |
DO k=1,Nr |
DO k=1,Nr |
246 |
DO j=1-Oly,sNy+Oly |
DO j=1-OLy,sNy+OLy |
247 |
DO i=1-Olx,sNx+Olx |
DO i=1-OLx,sNx+OLx |
248 |
IF (kLow(i,j).GT.2 .AND. val(i,j).NE.zeroRL) THEN |
IF (kLow(i,j).GT.2 .AND. val(i,j).NE.zeroRL) THEN |
249 |
Kdef(i,j) = SQRT(ABS(val(i,j))) |
Kdef(i,j) = SQRT(ABS(val(i,j))) |
250 |
ELSE |
ELSE |
262 |
CALL DIAGNOSTICS_FILL(c3d, 'GM_C3D ',0,Nr,0,1,1,myThid) |
CALL DIAGNOSTICS_FILL(c3d, 'GM_C3D ',0,Nr,0,1,1,myThid) |
263 |
CALL DIAGNOSTICS_FILL(val, 'GM_VAL ',0, 1,0,1,1,myThid) |
CALL DIAGNOSTICS_FILL(val, 'GM_VAL ',0, 1,0,1,1,myThid) |
264 |
DO k=1,Nr |
DO k=1,Nr |
265 |
DO j=1-Oly,sNy+Oly |
DO j=1-OLy,sNy+OLy |
266 |
DO i=1-Olx,sNx+Olx |
DO i=1-OLx,sNx+OLx |
267 |
vec_diag(i,j,k) = vec(1,i,j,k) |
vec_diag(i,j,k) = vec(1,i,j,k) |
268 |
ENDDO |
ENDDO |
269 |
ENDDO |
ENDDO |
272 |
CALL DIAGNOSTICS_FILL(vec_diag, 'GM_VEC ',0,Nr,0,1,1,myThid) |
CALL DIAGNOSTICS_FILL(vec_diag, 'GM_VEC ',0,Nr,0,1,1,myThid) |
273 |
ENDIF |
ENDIF |
274 |
#endif |
#endif |
275 |
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276 |
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#endif /* GM_K3D */ |
277 |
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RETURN |
279 |
END |
END |