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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 CREXPRCO(KBUFL,YBUFF,KJ,KDD,KSTACK,KELEM,KERR)
C
C**** *CREXPRCO*
C
C
C PURPOSE.
C --------
C
C Process CREX operator.
C
C** INTERFACE.
C ----------
C
C *CALL* *CREXPRCO(KBUFL,YBUFF,KJ,KDD,KSTACK,KELEM,KERR)*
C
C INPUT :
C *KBUFL* - length of CREX message (words)
C *YBUFF* - array containing CREX message
C *KJ* - pointer to array kstack
C *KDD* - data descriptor
C *KELEM* - dimension of CNAMES, CUNITS array
C OUTPUT:
C *KSTACK* - list of descriptors
C *KERR* - return error code
C
C *METHOD.
C -------
C
C NONE.
C
C
C EXTERNALS.
C ----------
C
C
C REFERENCE.
C ----------
C
C NONE.
C
C AUTHOR.
C -------
C
C MILAN DRAGOSAVAC *ECMWF* 07/01/2004.
C
C
C MODIFICATIONS.
C --------------
C
C NONE.
C
C
IMPLICIT LOGICAL(L,O,G), CHARACTER*8(C,H,Y)
C
C
PARAMETER(JSUP = 9,JSEC0= 3,JSEC1= 40,JSEC2= 64 ,JSEC3= 4,
1 JSEC4= 2,JELEM=40000,JSUBS=400,JCVAL=150 ,JBUFL=40000,
2 JBPW = 32,JTAB =3000,JCTAB=120,JCTST=1800,JCTEXT= 200,
3 JWORK=360000,JKEY=46)
C
C
C
COMMON /CREXWORK/ NBPT,NGS,NVIND,NBPTSEC2,RVIND,EPS,NE,IEOLD,
1 NC07YYY
C
COMMON /CREXWT/ NCREXDWINC,NCREXSCAM,NCREXAFDW,NCREXWT ,ODREPF,
2 NCREXSTACK(JELEM),NCREXWTEN(JELEM),
3 NCREXWTR (JELEM),NCREXWTS (JELEM),NCREXWTRV(JELEM),
4 NCREXWTDW(JELEM),NWTIW(JELEM),NWTIWS(JELEM)
C
C NCREXDWINC - data width increment
C NCREXSCAM - scale multiplier
C NCREXAFDW - augmented field data width
C NCREXWT - pointer to working table
C NCREXSTACK - list of data descriptors
C ODREPF - replication (logical)
C NCREXWTR - working table reference
C NCREXWTS - working scale
C NCREXWTRV - working reference value
C NCREXWTDW - working data width
C NWTIW - working data width of increments
C NWTIWS - working total data width of element set
C
C
COMMON /CREXWTC/ CREXWTEN(JELEM),CREXWTU (JELEM)
C
C CREXWTEN - working table element naame
C CREXWTU - working table units
C
C
COMMON /CREXBEF / M,MM,N,JCV
C
C M - Number of elements
C MM - Number of elements
C N - Number of data sub_sets
C JCV - Number of character values
C
C
COMMON /CREXUT/ YUNIT,CUNITNAME,CIA5,CIA2,NCODE,NRECORDS
C
C NCODE - array containing unit code number
C CUNITNAME - array containing unit name
C CIA5 - array containing unit CCITTIA5 name
C CIA2 - array containing unit CCITTIA2 name
C NRECORDS - number of entries in the list
C
DIMENSION NCODE(JCTEXT)
CHARACTER*30 CUNITNAME(JCTEXT)
CHARACTER*24 CIA5(JCTEXT)
CHARACTER*24 CIA2(JCTEXT)
CHARACTER*24 YUNIT
C
CHARACTER CREXWTEN*64,CREXWTU*24
DIMENSION KSTACK(*)
CHARACTER*(*) YBUFF
REAL*8 RVIND,EPS
C
C ------------------------------------------------------------------
C
C* 1. DETERMINE *F *X AND *Y.
C -----------------------
100 CONTINUE
C
IF( KERR.NE.0 ) RETURN
C
IF = KDD / 100000
IDIF= KDD - IF * 100000
IX = IDIF / 1000
IY = IDIF - IX * 1000
C
IF( IF.NE.2 ) THEN
KERR=21
PRINT*,' CREXPRCO :'
CALL CREXERR(KERR)
GO TO 400
END IF
C
C* 1.1 CHANGE DATA WIDTH ?
C -------------------
110 CONTINUE
C
IF(IX.EQ.1) THEN
NCREXDWINC= IY
GO TO 400
END IF
C
C* 1.2 CHANGE SCALE ?
C --------------
120 CONTINUE
C
IF(IX.EQ.2) THEN
C
C* 1.2.1 UPDATE SCALE MULTIPLIER.
C ------------------------
C
IF(IY.GT.900) IY=-(IY-900)
NCREXSCAM=IY
GO TO 400
END IF
C
C
C* 1.5 SIGNIFY CHARACTER ?
C -------------------
150 CONTINUE
C
IF(IX.EQ.5) THEN
C
C* 1.5.1 ADD SPECIAL ENTRY TO WORKING TABLE.
C -----------------------------------
NCREXWT = NCREXWT + 1
CREXWTEN(NCREXWT)='CHARACTERS'
CREXWTU (NCREXWT)=' '
NCREXWTR (NCREXWT)= kdd
NCREXWTDW(NCREXWT)= IY
NCREXWTEN(NCREXWT)=658367
NCREXWTS (NCREXWT)=0
NCREXWTRV(NCREXWT)=0
GO TO 400
END IF
C
C 1.6 CHANGE UNIT
C -----------
160 CONTINUE
C
IERR=0
IF(IX.EQ.7) THEN
CALL GET_UNITS(IY,IERR)
IF(IERR.EQ.0) THEN
NC07YYY=IY
END IF
C
GO TO 400
C
END IF
C
C ------------------------------------------------------------------
C
300 CONTINUE
C
KERR=22
PRINT*,'CREXPRCO:'
CALL CREXERR(KERR)
C
C ------------------------------------------------------------------
C
400 CONTINUE
C
RETURN
END
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