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C Copyright 1981-2007 ECMWF
C
C Licensed under the GNU Lesser General Public License which
C incorporates the terms and conditions of version 3 of the GNU
C General Public License.
C See LICENSE and gpl-3.0.txt for details.
C
SUBROUTINE BUREPC(KPT,KDLEN,KDATA,KJ,KJ1,KDD,KSTACK,KERR)
C
C**** *BUREPC*
C
C
C PURPOSE.
C --------
C RESOLVE DATA DESCRIPTOR REPLICATION PROBLEM.
C
C
C** INTERFACE.
C ----------
C
C *CALL* *BUREPC(KPT,KDLEN,KDATA,KJ,KJ1,KDD,KSTACK,KERR)*
C
C INPUT :
C *KPT* - POINTER TOO KDATA ARRAY
C *KDLEN* - DIMENSION OF KDATA ARRAY
C *KDATA* - ARRAY CONTAINING DATA NEEDED FOR DATA DESCRIPTOR
C EXPANSION
C *KDD* - DATA DESCRIPTOR
C OUTPUT:
C *KJ* - POINTER TO KSTACK ARRAY
C *KJ1* - POINTER TO LAST ELEMENT IN KSTACK
C *KSTACK* - LIST OF DATA DESCRIPTORS
C *KERR* - RETURN CODE
C
C METHOD.
C -------
C NONE.
C
C EXTERNALS.
C ----------
C
C BUETDR - RESOLVE TABLE D REFERENCE
C BUEPWT - UPDATE WORKING TABLES
C GBYTE - UNPACK BIT PATHERN
C
C
C REFERENCE.
C ----------
C
C NONE.
C
C AUTHOR.
C -------
C
C M. DRAGOSAVAC *ECMWF* 01/02/91.
C
C
C MODIFICATIONS.
C --------------
C
C NONE.
C
C
IMPLICIT LOGICAL(L,O,G), CHARACTER*8(C,H,Y)
C
C
C
# include "parameter.F"
# include "bcomunit.F"
# include "bcmwork.F"
# include "bcmwt.F"
# include "bcmwtc.F"
# include "bcmbef.F"
C
CHARACTER CWTEN*64,CWTU*24
DIMENSION ILIST(JELEM)
DIMENSION KSTACK(*)
DIMENSION KDATA(KDLEN)
#ifndef R_4
REAL*8 RVIND
REAL*8 EPS
#else
REAL RVIND
REAL EPS
#endif
C
C ------------------------------------------------------------------
C
C* 1. STORE K, NUMBER OF DESCRIPTORS TO BE REPLICATED.
C ------------------------------------------------
100 CONTINUE
C
IF( KERR.NE.0 ) RETURN
C
IF = KDD / 100000
IDIF= KDD - IF * 100000
IX = IDIF / 1000
IY = IDIF - IX * 1000
K = IX
IF(IY.EQ.0) ODREPF=.TRUE.
C
C* 1.1 DELAYED REPLICATION ?
C ---------------------
110 CONTINUE
C
IF( IY .NE. 0 ) THEN
C
C* 1.2 STORE NUMBER OF DESCRIPTORS, K, AND REPLICATION
C -----------------------------------------------
C FACTOR JR.
C ----------
120 CONTINUE
C
JR = IY
GO TO 500
END IF
C
C ------------------------------------------------------------------
C
C* 2. GET NEXT DESCRIPTOR.
C --------------------
200 CONTINUE
C
KJ =KJ + 1
KDD= KSTACK(KJ)
C
C ------------------------------------------------------------------
C
C* 2.1 REPLICATION FACTOR ?
C --------------------
210 CONTINUE
C
IF(KDD.NE.31001.AND.KDD.NE.31002.AND.
1 KDD.NE.31000.AND.
1 KDD.NE.31011.AND.KDD.NE.31012 )THEN
C
C* 2.1.1 SEQUENCE DESCRIPTOR ?
C ---------------------
C
IF=KDD/100000
C
IF( IF.EQ.3) THEN
C
C* 2.1.1.1 SOLVE TABLE D REFERENCE.
C ------------------------
CALL BUETDR(KJ,KJ1,KDD,KSTACK,KERR)
IF(KERR.GT.0) THEN
DO 252 IQ=1,JELEM
NSTACK(IQ)=0.
252 CONTINUE
RETURN
END IF
GO TO 200
END IF
C
IF( IF.EQ.2) THEN
CALL BUOPERC(KPT,KDLEN,KDATA,KJ,KDD,KSTACK,KERR)
IF(KERR.GT.0) THEN
CALL BUERR(KERR)
RETURN
END IF
GO TO 200
END IF
C
KERR=36
CALL BUERR(KERR)
RETURN
END IF
C
C ------------------------------------------------------------------
C
C* 3. UPDATE WORKING TABLE.
C ---------------------
300 CONTINUE
C
IF(KDD.EQ.31031.OR.KDD.EQ.31192) THEN
NWT=NWT+1
NWTR(NWT)=KDD
NWTS(NWT)=0
NWTRV(NWT)=0
NWTDW(NWT)=1
M=M+1
ELSEIF(KDD.EQ.33007.OR.KDD.EQ.63192) THEN
NWT=NWT+1
NWTR(NWT)=KDD
NWTS(NWT)=0
NWTRV(NWT)=0
NWTDW(NWT)=7
M=M+1
ELSE
CALL BUEPWTC (KDD,KERR)
IF(KERR.GT.0) RETURN
IF(KDD.EQ.031011.OR.KDD.EQ.031012) RETURN
END IF
C
C ------------------------------------------------------------------
C
C* 4. STORE JR, THE REPLICATION FACTOR FROM DATA.
C ------------------------------------------------------
400 CONTINUE
C
KPT=KPT+1
IF(KPT.GT.KDLEN) THEN
KERR=31
CALL BUERR(KERR)
RETURN
END IF
JR=KDATA(KPT)
C IF(JR.EQ.0) THEN
C KERR=18
C CALL BUERR(KERR)
C RETURN
C END IF
C
IF(JR.EQ.0) THEN
KJ=KJ+K
GO TO 640
END IF
C
JRTK=JR*K+KJ1-K
IF(JRTK.GT.JELEM) THEN
KERR=30
CALL BUERR(KERR)
RETURN
END IF
C
C CHECK IF NEXT DESCRIPTOR CANCEL OPERATOR FOR DELAYED
C REPLICATION
C
IIIF=KSTACK(KJ+1)/100000
IIII=KSTACK(KJ+1)-IIIF*100000
IIIX=IIII/1000
IIIY=IIII-IIIX*1000
C
IF(IIIF.EQ.2.AND.IIIY.EQ.0) THEN
KJ=KJ+1
CALL BUOPERC(KPT,KDLEN,KDATA,KJ,KSTACK(KJ),KSTACK,KERR)
IF(KERR.GT.0) THEN
CALL BUERR(KERR)
RETURN
END IF
END IF
C ------------------------------------------------------------------
C* 5. GET NEXT K DESCRIPTORS.
C -----------------------
500 CONTINUE
C
DO 501 J=1,K
C
ILIST(J)=KSTACK(KJ+J)
C
501 CONTINUE
C
C ------------------------------------------------------------------
C* 6. ADD JR TIMES K DESCRIPTORS IN PLACE OF K
C ----------------------------------------
C DESCRIPTORS OBTAINED.
C ---------------------
600 CONTINUE
C
C ------------------------------------------------------------------
C* 6.1 PUSH DOWN DESCRIPTORS IN KSTACK FOR (JR-1)*K PLACES
C ---------------------------------------------------
C STARTING AT KJ1 AND ENDING AT KJ+K.
C -----------------------------------
610 CONTINUE
C
JRKM1=(JR-1)*K
C
DO 611 J=KJ1,KJ+K,-1
C
KSTACK(J+JRKM1)=KSTACK(J)
C
611 CONTINUE
C
C* 6.2 INSERT LIST IN THE STACK.
C -------------------------
620 CONTINUE
C
DO 622 J=1,JR
C
KJJM1K=KJ+(J-1)*K
C
DO 623 J1=1,K
C
KSTACK(KJJM1K+J1)=ILIST(J1)
C
623 CONTINUE
622 CONTINUE
C
C ------------------------------------------------------------------
C* 6.3 ADJUST DESCRIPTOR COUNT FOR LIST LENGTH.
C ----------------------------------------
630 CONTINUE
C
KJ1 = KJ1 + (JR-1)*K
C
C ------------------------------------------------------------------
C* 6.4 ADJUST NUMBER OF DATA DESCRIPTORS NOT PRESENT.
C ----------------------------------------------
640 CONTINUE
C
IF(N221.NE.0) N221= KJ1 - KJ + 1
C
C ------------------------------------------------------------------
700 CONTINUE
C
RETURN
END
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