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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
INTEGER FUNCTION PDDEFS()
C
C---->
C** PDDEFS
C
C Purpose
C -------
C
C Adjust the interpolation parameters according to parameter
C dependent requirements.
C
C Interface
C ---------
C
C IRET = PDDEFS()
C
C Input
C -----
C
C Input file format:
C
C Param lsm wind prec lsm interp ) First 2 lines
C ----- --- ---- ---- ---------- ) are ignored
C 131 n y n n )
C 132 n y n n )
C 140 y n n n )
C 141 y n n n ) I3,4(5X,A1)
C 142 n n y n )
C 143 n n y n )
C 144 n n y n )
C 165 n y n n )
C :
C :
C
C Output
C ------
C
C IRET = 0 if OK.
C
C
C Method
C ------
C
C Values are taken from a (text) file in a directory defined
C by the environment variable:
C
C "PARAMETER_PROCESSING_DEFAULTS" (if defined),
C
C or from the directory:
C
C /owrk/marsint/new (CRAY)
C /mrfs/postproc (Fujitsu)
C /usr/local/lib/metaps/tables/interpolation ( new )
C
C or from an internal default array.
C
C The file used has name defaults_for_table_nnn, where
C nnn is the 3-digit local code table number (eg 128 for
C ECMWF, 001 for WMO, etc ).
C
C
C Externals
C ---------
C
C INTLOG - Logs messages.
C GETENV - Gets environment variable information.
C INDEX - Locates a character in a character variable.
C EMOSNUM - Gives current EMOSLIB version number.
C PRECIP - Says if field is to have 'precipitation' treatment
C
C
C Author
C ------
C
C J.D.Chambers ECMWF August 1994.
C
C----<
C
IMPLICIT NONE
C
C Parameters
C
INTEGER JPROUTINE, JPNUMDF, JPND001, JPND128, JPND129
PARAMETER (JPROUTINE = 28000)
PARAMETER (JPNUMDF = 100)
PARAMETER (JPND001 = 9)
PARAMETER (JPND128 = 13)
PARAMETER (JPND129 = 12)
C
#include "parim.h"
#include "nifld.common"
C
C Local variables
C
CHARACTER*6 YEMOSNM
INTEGER IEMOSNM
CHARACTER*256 FILENAME
CHARACTER*80 HLINE
CHARACTER*80 YENVBACK
INTEGER IPARAM, INEXT, NUMDFS, LOOP, INDX, IOTABLE
CHARACTER*1 HLSM, HWIND, HPREC, HLSMI
LOGICAL LNLSM, LNWIND, LNPREC, LNSMPAR
DATA IOTABLE/0/
C
C Default array
C
CHARACTER*27 HDEFS(JPNUMDF)
C
C Specified defaults
C
C WMO table 1
C
CHARACTER*27 TAB001(JPND001)
DATA TAB001/
X '002 n n n n',
X '033 y y n n',
X '034 y y n n',
X '061 y n y n',
X '062 y n y n',
X '063 y n y n',
X '064 y n y n',
X '065 y n y n',
X '081 n n n y'
X /
C
C ECMWF table 128
C
CHARACTER*27 TAB128(JPND128)
DATA TAB128/
X '131 y y n n',
X '132 y y n n',
X '142 y n y n',
X '143 y n y n',
X '144 y n y n',
X '151 n n n n',
X '165 y y n n',
X '166 y y n n',
X '169 y n n n',
X '172 n n n y',
X '228 y n y n',
X '239 y n y n',
X '240 y n y n'
X /
C
C ECMWF table 129
C
CHARACTER*27 TAB129(JPND129)
DATA TAB129/
X '131 y y n n',
X '132 y y n n',
X '142 y n y n',
X '143 y n y n',
X '144 y n y n',
X '151 n n n n',
X '165 y y n n',
X '166 y y n n',
X '172 n n n y',
X '228 y n y n',
X '239 y n y n',
X '240 y n y n'
X /
C
SAVE HDEFS, NUMDFS, IOTABLE, FILENAME
C
C External functions
C
INTEGER EMOSNUM
LOGICAL PRECIP
EXTERNAL EMOSNUM, PRECIP
C
C Statement function
C
LOGICAL NOTSAME, A, B
C
C XOR or NE for logicals
C
NOTSAME(A,B) = ((A).AND.(.NOT.(B))).OR.((B).AND.(.NOT.(A)))
C
C ------------------------------------------------------------------
C* Section 1. Initialise
C ------------------------------------------------------------------
C
100 CONTINUE
C
PDDEFS = 0
C
C Start with the generic settings.
C
LNLSM = .TRUE.
LNWIND = .FALSE.
LNPREC = .FALSE.
LNSMPAR = .FALSE.
C
C ------------------------------------------------------------------
C* Section 2. If parameter table has changed, treat as first time
C through: open and read the file of default values.
C ------------------------------------------------------------------
C
200 CONTINUE
C
IF( IOTABLE.NE.NITABLE ) THEN
C
DO LOOP = 1, 256
FILENAME(LOOP:) = ' '
ENDDO
C
CALL INTLOG(JP_DEBUG,
X 'PDDEFS: Try to get processing defaults file.',JPQUIET)
C
C Get the directory name
C
CALL GETENV( 'PARAMETER_PROCESSING_DEFAULTS', FILENAME)
IF( FILENAME(1:1).EQ.' ' ) THEN
#if (defined CRAY)
FILENAME = '/owrk/marsint/new/'
#elif (defined __uxp__)
C
C On Fujitsus, need to build different pathname for vpp300,
C vpp700, vpp700e and vpp5000
C
CALL GETENV ('HOST', YENVBACK)
IF( YENVBACK(1:7) .EQ. 'vpp5000' )THEN
FILENAME = '/vpp5000/mrfs/postproc/'
ELSE IF( YENVBACK(1:7) .EQ. 'vpp700e' )THEN
FILENAME = '/vpp700e/mrfs/postproc/'
ELSE IF( YENVBACK(1:6) .EQ. 'vpp700' )THEN
FILENAME = '/vpp700/mrfs/postproc/'
ELSE
FILENAME = '/mrfs/postproc/'
ENDIF
#else
FILENAME = '/usr/local/lib/metaps/tables/interpolation/'
#endif
ENDIF
C
C Build the complete file pathname
C
INDX = INDEX(FILENAME, ' ')
FILENAME(INDX:) = 'defaults_for_table_'
INDX = INDEX(FILENAME, ' ')
WRITE(FILENAME(INDX:),'(I3.3)') NITABLE
INDX = INDX + 2
CALL INTLOG(JP_DEBUG, FILENAME(1:INDX), JPQUIET)
IOTABLE = NITABLE
C
OPEN( UNIT = 1,
X FILE = FILENAME(1:INDX),
X STATUS = 'OLD',
X FORM = 'FORMATTED',
X ERR = 300)
C
C Skip first 2 lines in the file
C
READ(1,'(A)', END = 900) HLINE
READ(1,'(A)', END = 900) HLINE
C
C Read the file into the defaults array
C
NUMDFS = 1
DO LOOP = 1, JPNUMDF
READ(1,'(A)', END = 220) HDEFS(NUMDFS)
NUMDFS = NUMDFS + 1
ENDDO
C
220 CONTINUE
C
C Close the file.
C
NUMDFS = NUMDFS - 1
CLOSE(1, ERR = 920)
C
GOTO 400
C
C ------------------------------------------------------------------
C* Section 3. If file problem, use default arrays.
C ------------------------------------------------------------------
C
300 CONTINUE
C
CALL INTLOG(JP_DEBUG,
X 'PDDEFS: No parameter processing defaults file found.',JPQUIET)
C
C Use appropriate table
C 1 = WMO table 1
C 128 = ECMWF local code table 128
C 129 = ECMWF local code table 129
C
IF( NITABLE.EQ.1 ) THEN
C
DO LOOP = 1, JPND001
HDEFS(LOOP) = TAB001(LOOP)
ENDDO
NUMDFS = JPND001
C
ELSE IF( NITABLE.EQ.128 ) THEN
C
DO LOOP = 1, JPND128
HDEFS(LOOP) = TAB128(LOOP)
ENDDO
NUMDFS = JPND128
C
C
ELSE IF( NITABLE.EQ.129 ) THEN
C
DO LOOP = 1, JPND129
HDEFS(LOOP) = TAB129(LOOP)
ENDDO
NUMDFS = JPND129
C
ELSE
C
C .. other (unspecified)
C
NUMDFS = 0
C
ENDIF
C
ENDIF
C
C ------------------------------------------------------------------
C* Section 4. Read lines in file to see if current parameter
C is mentioned.
C ------------------------------------------------------------------
C
400 CONTINUE
C
CALL INTLOG(JP_DEBUG,'PDDEFS: Table number = ', NITABLE)
CALL INTLOG(JP_DEBUG,'PDDEFS: Number of definitions = ', NUMDFS)
CALL INTLOG(JP_DEBUG,'PDDEFS: Parameter number = ', NIPARAM)
INEXT = 0
C
410 CONTINUE
C
INEXT = INEXT + 1
IF( INEXT.GT.NUMDFS ) GOTO 900
READ(HDEFS(INEXT), 9000) IPARAM, HLSM, HWIND, HPREC, HLSMI
C
C If the current parameter, use the values defined in the table.
C
IF( IPARAM.EQ.NIPARAM ) THEN
C
IF( HLSM .EQ.'n' ) LNLSM = .FALSE.
IF( HWIND.EQ.'y' ) LNWIND = .TRUE.
IF( HPREC.EQ.'y' ) LNPREC = .TRUE.
IF( HLSMI.EQ.'y' ) LNSMPAR = .TRUE.
GOTO 900
C
ENDIF
C
C Go back for next line in the array
C
GOTO 410
C
C ------------------------------------------------------------------
C* Section 9. Closedown.
C ------------------------------------------------------------------
C
900 CONTINUE
C
C Only change the value if the user has not already set it.
C
IF( .NOT. LSMSET ) THEN
IF( NOTSAME(LNLSM,LSM) ) THEN
LCHANGE = .TRUE.
LSMCHNG = .TRUE.
LSM = LNLSM
ENDIF
ENDIF
C
IF( .NOT. LWINDSET ) THEN
IF( NOTSAME(LNWIND,LWIND) ) LCHANGE = .TRUE.
LWIND = LNWIND
ENDIF
C
IF( .NOT. LPRECSET ) THEN
IF( NOTSAME(LNPREC,LPREC) ) LCHANGE = .TRUE.
LPREC = LNPREC
ENDIF
C
IF( .NOT. LSMPARSET ) THEN
IF( NOTSAME(LNSMPAR,LSMPAR) ) LCHANGE = .TRUE.
LSMPAR = LNSMPAR
ENDIF
C
LPREC = PRECIP()
C
RETURN
C
920 CONTINUE
C
PDDEFS = JPROUTINE + 1
CALL INTLOG(JP_ERROR,'PDDEFS: Error closing file:',JPQUIET)
CALL INTLOG(JP_ERROR,FILENAME,JPQUIET)
RETURN
C
9000 FORMAT( I3,4(5X,A1))
9001 FORMAT( 1X,I3,4(5X,A1))
C
END
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