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MODULE SUMPLAT_MOD |
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CONTAINS |
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SUBROUTINE SUMPLAT(KDGL,KPROC,KPROCA,KMYSETA,LDSPLIT,LDEQ_REGIONS,& |
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&KFRSTLAT,KLSTLAT,KFRSTLOFF,KPTRLAT,& |
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&KPTRFRSTLAT,KPTRLSTLAT,KPTRFLOFF,& |
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&KMEDIAP,KRESTM,LDSPLITLAT) |
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!**** *SUMPLAT * - Initialize gridpoint distrbution in N-S direction |
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! Purpose. |
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! -------- |
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!** Interface. |
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! ---------- |
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! *CALL* *SUMPLAT * |
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! Explicit arguments - input : |
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! -------------------- |
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! KDGL -last latitude |
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! KPROC -total number of processors |
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! KPROCA -number of processors in A direction |
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! KMYSETA -process number in A direction |
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! LDSPLIT -true for latitudes shared between sets |
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! LDEQ_REGIONS -true if eq_regions partitioning |
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! Explicit arguments - output: |
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! -------------------- |
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! KMEDIAP -mean number of grid points per PE |
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! KRESTM -number of PEs with one extra point |
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! KFRSTLAT -first latitude row on processor |
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! KLSTLAT -last latitude row on processor |
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! KFRSTLOFF -offset for first latitude in set |
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! KPTRLAT -pointer to start of latitude |
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! KPTRFRSTLAT-pointer to first latitude |
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! KPTRLSTLAT -pointer to last latitude |
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! KPTRFLOFF -offset for pointer to first latitude |
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! LDSPLITLAT -true for latitudes which are split |
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! Implicit arguments : |
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! -------------------- |
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! Method. |
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! ------- |
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! See documentation |
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! Externals. SUMPLATB and SUEMPLATB. |
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! ---------- |
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! Reference. |
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! ---------- |
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! ECMWF Research Department documentation of the IFS |
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! Author. |
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! ------- |
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! MPP Group *ECMWF* |
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! Modifications. |
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! -------------- |
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! Original : 95-10-01 |
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! David Dent:97-06-02 parameters KFRSTLAT etc added |
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! JF. Estrade:97-11-13 Adaptation to ALADIN case |
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! J.Boutahar: 98-07-06 phasing with CY19 |
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! Modified 98-08-10 by K. YESSAD: removal of LRPOLE option + cleanings |
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! (correct computation of extrapolar latitudes for KPROCL). |
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! Modified 98-12-07 by K. YESSAD and C. FISCHER: cleaning. |
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! - merge old sumplat.F and suemplat.F |
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! - gather 'lelam' code and 'not lelam' code. |
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! - clean (useless duplication of variables, non doctor features). |
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! - remodularise according to lelam/not lelam |
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! -> lelam features in new routine suemplatb.F, |
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! not lelam features in new routine sumplatb.F |
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! ------------------------------------------------------------------ |
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USE PARKIND1 ,ONLY : JPIM ,JPRB |
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USE TPM_GEOMETRY |
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USE TPM_DISTR |
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USE SUMPLATB_MOD |
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USE SUMPLATBEQ_MOD |
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IMPLICIT NONE |
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! * DUMMY: |
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INTEGER(KIND=JPIM),INTENT(OUT) :: KMEDIAP |
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INTEGER(KIND=JPIM),INTENT(OUT) :: KRESTM |
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INTEGER(KIND=JPIM),INTENT(IN) :: KDGL |
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INTEGER(KIND=JPIM),INTENT(IN) :: KPROC |
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INTEGER(KIND=JPIM),INTENT(IN) :: KPROCA |
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INTEGER(KIND=JPIM),INTENT(IN) :: KMYSETA |
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INTEGER(KIND=JPIM),INTENT(OUT) :: KFRSTLAT(:) |
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INTEGER(KIND=JPIM),INTENT(OUT) :: KLSTLAT(:) |
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INTEGER(KIND=JPIM),INTENT(OUT) :: KFRSTLOFF |
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INTEGER(KIND=JPIM),INTENT(OUT) :: KPTRLAT(:) |
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INTEGER(KIND=JPIM),INTENT(OUT) :: KPTRFRSTLAT(:) |
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INTEGER(KIND=JPIM),INTENT(OUT) :: KPTRLSTLAT(:) |
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INTEGER(KIND=JPIM),INTENT(OUT) :: KPTRFLOFF |
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LOGICAL,INTENT(IN) :: LDSPLIT |
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LOGICAL,INTENT(IN) :: LDEQ_REGIONS |
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LOGICAL,INTENT(OUT) :: LDSPLITLAT(:) |
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! * LOCAL: |
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! === END OF INTERFACE BLOCK === |
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INTEGER(KIND=JPIM) :: INDIC(KPROCA),ILAST(KPROCA) |
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! LOCAL INTEGER SCALARS |
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INTEGER(KIND=JPIM) :: IPTRLATITUDE, JA, JGL |
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! ----------------------------------------------------------------- |
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!* 1. CODE DEPENDING ON 'LELAM': COMPUTATION OF |
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! KMEDIAP, KRESTM, INDIC, ILAST. |
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! ----------------------------------------- |
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IF( LDEQ_REGIONS )THEN |
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CALL SUMPLATBEQ(1,KDGL,KPROC,KPROCA,G%NLOEN,LDSPLIT,LDEQ_REGIONS,& |
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&KMEDIAP,KRESTM,INDIC,ILAST) |
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ELSE |
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CALL SUMPLATB(1,KDGL,KPROCA,G%NLOEN,LDSPLIT,& |
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&KMEDIAP,KRESTM,INDIC,ILAST) |
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ENDIF |
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! ----------------------------------------------------------------- |
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!* 2. CODE NOT DEPENDING ON 'LELAM': COMPUTATION OF |
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! KFRSTLAT TO LDSPLITLAT. |
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! --------------------------------------------- |
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! * Computation of first and last latitude of processor sets |
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! ----------- in grid-point-space ----------------------- |
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KFRSTLAT(1) = 1 |
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KLSTLAT(KPROCA) = KDGL |
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DO JA=1,KPROCA-1 |
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!!$ IF(MYPROC==1)THEN |
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!!$ WRITE(0,'("SUMPLAT_MOD: JA=",I3," ILAST=",I3," INDIC=",I3)')& |
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!!$ &JA,ILAST(JA),INDIC(JA) |
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!!$ ENDIF |
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IF ((.NOT. LDSPLIT) .OR. INDIC(JA) == 0) THEN |
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KFRSTLAT(JA+1) = ILAST(JA) + 1 |
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KLSTLAT(JA) = ILAST(JA) |
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ELSE |
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KFRSTLAT(JA+1) = INDIC(JA) |
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KLSTLAT(JA) = INDIC(JA) |
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ENDIF |
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ENDDO |
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KFRSTLOFF=KFRSTLAT(KMYSETA)-1 |
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! * Initialise following data structures:- |
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! NPTRLAT (pointer to the start of each latitude) |
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! LSPLITLAT (TRUE if latitude is split over two A sets) |
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! NPTRFRSTLAT (pointer to the first latitude of each A set) |
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! NPTRLSTLAT (pointer to the last latitude of each A set) |
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DO JGL=1,KDGL |
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KPTRLAT (JGL)=-999 |
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LDSPLITLAT(JGL)=.FALSE. |
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ENDDO |
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IPTRLATITUDE=0 |
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DO JA=1,KPROCA |
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DO JGL=KFRSTLAT(JA),KLSTLAT(JA) |
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IPTRLATITUDE=IPTRLATITUDE+1 |
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LDSPLITLAT(JGL)=.TRUE. |
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IF( KPTRLAT(JGL) == -999 )THEN |
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KPTRLAT(JGL)=IPTRLATITUDE |
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LDSPLITLAT(JGL)=.FALSE. |
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ENDIF |
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ENDDO |
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ENDDO |
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DO JA=1,KPROCA |
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IF( LDSPLITLAT(KFRSTLAT(JA)) .AND. JA /= 1)THEN |
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KPTRFRSTLAT(JA)=KPTRLAT(KFRSTLAT(JA))+1 |
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ELSE |
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KPTRFRSTLAT(JA)=KPTRLAT(KFRSTLAT(JA)) |
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ENDIF |
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IF( LDSPLITLAT(KLSTLAT(JA)) .AND. JA == KPROCA)THEN |
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KPTRLSTLAT(JA)=KPTRLAT(KLSTLAT(JA))+1 |
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ELSE |
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KPTRLSTLAT(JA)=KPTRLAT(KLSTLAT(JA)) |
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ENDIF |
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ENDDO |
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KPTRFLOFF=KPTRFRSTLAT(KMYSETA)-1 |
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!!$IF(MYPROC==1)THEN |
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!!$ DO JGL=1,KDGL |
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!!$ WRITE(0,'("SUMPLAT_MOD: JGL=",I3," KPTRLAT=",I3," LDSPLITLAT=",L4)')& |
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!!$ & JGL,KPTRLAT(JGL),LDSPLITLAT(JGL) |
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!!$ ENDDO |
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!!$ DO JA=1,KPROCA |
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!!$ WRITE(0,'("SUMPLAT_MOD: JA=",I3," KFRSTLAT=",I3," KLSTLAT=",I3,& |
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!!$ & " KPTRFRSTLAT=",I3," KPTRLSTLAT=",I3)')& |
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!!$ & JA,KFRSTLAT(JA),KLSTLAT(JA),KPTRFRSTLAT(JA),KPTRLSTLAT(JA) |
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!!$ ENDDO |
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!!$ENDIF |
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! ------------------------------------------------------------------ |
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END SUBROUTINE SUMPLAT |
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END MODULE SUMPLAT_MOD |
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