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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 INSANE( )
C
C---->
C**** INSANE
C
C Purpose
C -------
C
C Check interpolate options before processing.
C
C
C Interface
C ---------
C
C IRET = INSANE( )
C
C Input
C -----
C
C Common blocks nifld.common and nofld.common
C
C
C Output
C ------
C
C Returns: 0 if no problems spotted.
C -1 if output is same as the input
C
C
C Method
C ------
C
C See below!
C
C
C Externals
C ---------
C
C ISSAME - Checks if input specification is same as output.
C INTLOG - Logs error messages.
C INTLOGR - Logs error messages.
C
C
C Author
C ------
C
C J.D.Chambers ECMWF Feb 1995
C
C----<
C
IMPLICIT NONE
C
C Function arguments
C
#include "parim.h"
#include "nifld.common"
#include "nofld.common"
#include "grfixed.h"
C
C Parameters
INTEGER JPROUTINE
PARAMETER (JPROUTINE = 27200 )
INTEGER JPMAXRES
PARAMETER (JPMAXRES = JPSTRUNC)
C
C Local variables
C
CHARACTER*12 YFLAG,YFLAG1
INTEGER IERR, MINGRID
REAL GRIDINT
LOGICAL LINCHECK,LNLIMIT
C
C Externals
LOGICAL ISSAME
INTEGER FFTCHK
C
C -----------------------------------------------------------------|
C* Section 1. Initialise
C -----------------------------------------------------------------|
C
100 CONTINUE
INSANE = 0
IERR = 0
C
C Exit if output is same as input ...
C
IF ( ISSAME() ) THEN
INSANE = -1
GOTO 900
ENDIF
C
C Check output packing accuracy requested (packed output only)
C
IF ( NOFORM .EQ. 1 ) THEN
IF ( (NOACC .GT. 30) .OR. (NOACC .LT. 1) ) THEN
CALL INTLOG(JP_DEBUG,
X 'INSANE: Invalid output packing given ',NOACC)
NOACC = 16
CALL INTLOG(JP_DEBUG,
X 'INSANE: Changed to ',NOACC)
cs CALL INTLOG(JP_ERROR,
cs X 'Sorry!: Invalid output packing given',NOACC)
cs IERR = JPROUTINE + 1
cs CALL INTLOG(JP_ERROR,
cs X ' Must be between 1 and 30 bits per value.',IERR)
cs INSANE = IERR
cs GOTO 900
ENDIF
ENDIF
C
C -----------------------------------------------------------------|
C* Section 2. Check valid input/output representations.
C -----------------------------------------------------------------|
C
200 CONTINUE
C
C Input
C
IF ( (NIREPR .NE. JPREGULAR ) .AND.
X (NIREPR .NE. JPREDLL ) .AND.
X (NIREPR .NE. JPSPHERE ) .AND.
X (NIREPR .NE. JPSPHROT ) .AND.
X (NIREPR .NE. JPGAUSSIAN) .AND.
X (NIREPR .NE. JPSTRSH ) .AND.
X (NIREPR .NE. JPSTRGG ) .AND.
X (NIREPR .NE. JPQUASI ) ) THEN
CALL INTLOG(JP_ERROR,
X 'Sorry!: Invalid input representation.', NIREPR)
INSANE = JPROUTINE + 21
GOTO 900
ENDIF
C
C Output
C
IF ( (NOREPR .NE. JPREGULAR ) .AND.
X (NOREPR .NE. JPREGROT ) .AND.
X (NOREPR .NE. JPSPHERE ) .AND.
X (NOREPR .NE. JPSPHROT ) .AND.
X (NOREPR .NE. JPGAUSSIAN) .AND.
X (NOREPR .NE. JPSTRSH ) .AND.
X (NOREPR .NE. JPSTRGG ) .AND.
X (NOREPR .NE. JPQUASI ) .AND.
X (NOREPR .NE. JPFGGROT ) .AND.
X (NOREPR .NE. JPQGGROT ) .AND.
X (NOREPR .NE. JPREDLL ) ) THEN
CALL INTLOG(JP_ERROR,
X 'Sorry!: Invalid output representation.', NOREPR)
INSANE = JPROUTINE + 22
GOTO 900
ENDIF
C
C Input / output combination
C
IF ( (NOREPR.EQ.JPSPHERE).OR.(NOREPR.EQ.JPSPHROT) ) THEN
IF ( (NIREPR.NE.JPSPHERE).AND.(NIREPR.NE.JPSPHROT) ) THEN
C
C Set flag to discontinue attempts at interpolation, ie
C force output to be same as input
C
INSANE = -1
GOTO 900
ENDIF
ENDIF
C
C -----------------------------------------------------------------|
C* Section 3. Check spectral to grid options.
C -----------------------------------------------------------------|
C
300 CONTINUE
C
MINGRID = JP0P5 / 5
C
IF ( (NIREPR.EQ.JPSPHERE).OR.(NIREPR.EQ.JPSPHROT) ) THEN
C
C Check resolution not too large
C
IF( (NOREPR.NE.JPSPHERE).AND.(NIRESO.GT.JPMAXRES) ) THEN
C
C Problem unless a suitable truncation is on-the-way
C
IF( LARESOL.OR.LNORESO ) THEN
IF( MIN(NOGRID(1),NOGRID(2)).LT.MINGRID ) THEN
CALL INTLOG(JP_ERROR,
X 'Sorry!: Despite truncation,', JPQUIET)
CALL INTLOG(JP_ERROR,
X ' spectral to grid transformation', JPQUIET)
CALL INTLOG(JP_ERROR,
X ' cannot be done (grid too fine).', JPQUIET)
CALL INTLOG(JP_ERROR,
X ' Grid west-east (* 10**-5) = ', NOGRID(1))
CALL INTLOG(JP_ERROR,
X ' Grid north-south (* 10**-5) = ', NOGRID(2))
CALL INTLOG(JP_ERROR,
X ' Minimum allowed (* 10**-5) = ', MINGRID)
IERR = JPROUTINE + 31
INSANE = IERR
GOTO 900
ENDIF
C
ELSE
C
CALL INTLOG(JP_ERROR,
X 'Sorry!: Spectral truncation too large for ', JPQUIET)
CALL INTLOG(JP_ERROR,
X ' spectral to grid transformation.', JPQUIET)
CALL INTLOG(JP_ERROR,
X ' Truncation given = ', NIRESO)
CALL INTLOG(JP_ERROR,
X ' Max. truncation handled = ', JPMAXRES)
IERR = JPROUTINE + 31
INSANE = IERR
GOTO 900
ENDIF
C
ENDIF
C
C Check resolution not too small
C
IF ( (NOREPR .NE. JPSPHERE) .AND. (NIRESO .LE. 0) ) THEN
IERR = JPROUTINE + 32
CALL INTLOG(JP_ERROR,
X 'Sorry!: Spectral truncation too small for ', JPQUIET)
CALL INTLOG(JP_ERROR,
X ' spectral to grid transformation.', JPQUIET)
CALL INTLOG(JP_ERROR,
X ' Truncation given = ', NIRESO)
CALL INTLOG(JP_ERROR,
X ' Truncation must be > ', 0)
INSANE = IERR
GOTO 900
ENDIF
C
C Check grid interval
C
IF ( (NOREPR.EQ.JPREGULAR).OR.(NOREPR.EQ.JPREGROT) ) THEN
C
C Not too small
C
C if env variable 1 no check of incterval
LNLIMIT = .TRUE.
CALL GETENV('INCREMENT_NO_LIMIT', YFLAG)
IF(YFLAG1(1:1).EQ.'1' ) LNLIMIT = .FALSE.
C
IF(LNLIMIT) THEN
IF( (NOGRID(1).LT.MINGRID).OR.(NOGRID(2).LT.MINGRID) ) THEN
IERR = JPROUTINE + 33
CALL INTLOG(JP_ERROR,
X 'Sorry!: Grid interval too small for ', JPQUIET)
CALL INTLOG(JP_ERROR,
X ' spectral to grid transformation.', JPQUIET)
CALL INTLOG(JP_ERROR,
X ' Latitude interval given = ', NOGRID(1))
CALL INTLOG(JP_ERROR,
X ' Longitude interval given = ', NOGRID(2))
CALL INTLOG(JP_ERROR,
X ' Min. interval handled = ', MINGRID)
INSANE = IERR
GOTO 900
ENDIF
ELSE
CALL INTLOG(JP_DEBUG,
X 'INSANE: Increments checking disabled',JPQUIET)
ENDIF
C
C Not too large
C
IF ( (NOGRID(1).GT.JP90) .OR. (NOGRID(2).GT.JP90) ) THEN
IERR = JPROUTINE + 34
CALL INTLOG(JP_ERROR,
X 'Sorry!: Grid interval too large for ', JPQUIET)
CALL INTLOG(JP_ERROR,
X ' spectral to grid transformation.', JPQUIET)
CALL INTLOG(JP_ERROR,
X ' Latitude interval given = ', NOGRID(1))
CALL INTLOG(JP_ERROR,
X ' Longitude interval given = ', NOGRID(2))
CALL INTLOG(JP_ERROR,
X ' Max. interval handled = ', JP90)
INSANE = IERR
GOTO 900
ENDIF
C
C A multiple of 0.0005
C
C if env variable 1 no check of increments
LINCHECK = .FALSE.
CALL GETENV('INCREMENT_CHECK', YFLAG)
IF(YFLAG(1:1).EQ.'1' ) LINCHECK = .TRUE.
IF( LINCHECK ) CALL INTLOG(JP_DEBUG,
X 'INSANE: Increments checking disabled',JPQUIET)
C
IF(.NOT.LINCHECK) THEN
IF ( (MOD(NOGRID(1),5).NE.0) .OR.
X (MOD(NOGRID(2),5).NE.0) ) THEN
IERR = JPROUTINE + 35
CALL INTLOG(JP_ERROR,
X 'Sorry!: Grid must be a multiple of 0.0005 ', JPQUIET)
CALL INTLOG(JP_ERROR,
X ' Latitude interval given = ', NOGRID(1))
CALL INTLOG(JP_ERROR,
X ' Longitude interval given = ', NOGRID(2))
INSANE = IERR
GOTO 900
ENDIF
ENDIF
ENDIF
C
C Check if combination of truncation and longitude grid interval
C can be handled by the FFT algorithm.
C
IERR = 1
GRIDINT = -1.0
C
IF ( (NOREPR.EQ.JPREGULAR).OR.(NOREPR.EQ.JPREGROT) ) THEN
GRIDINT = FLOAT(NOGRID(2))/FLOAT(JPMULT)
IERR = FFTCHK( NIRESO, GRIDINT )
IF ( IERR.NE.1 ) THEN
CALL INTLOG(JP_ERROR,
X 'Sorry!: Invalid combination of spectral number = ', NIRESO)
CALL INTLOGR(JP_ERROR,
X ' and longitude grid interval = ', GRIDINT)
CALL INTLOG(JP_ERROR,
X ' for FFT algorithm in use.', JPQUIET)
INSANE = JPROUTINE + 36
GOTO 900
ENDIF
ENDIF
C
IF ( (NOREPR.EQ.JPGAUSSIAN).OR.(NOREPR.EQ.JPQUASI) ) THEN
GRIDINT = 360.0/FLOAT(NOGAUSS)
IERR = FFTCHK( NIRESO, GRIDINT )
IF ( IERR.NE.1 ) THEN
CALL INTLOG(JP_ERROR,
X 'Sorry!: Invalid combination of spectral number = ', NIRESO)
CALL INTLOGR(JP_ERROR,
X ' and longitude grid intvl = ', GRIDINT)
CALL INTLOG(JP_ERROR,
X ' from gaussian number = ', NOGAUSS)
CALL INTLOG(JP_ERROR,
X ' for FFT algorithm in use.', JPQUIET)
INSANE = JPROUTINE + 37
GOTO 900
ENDIF
ENDIF
C
ENDIF
C
C -----------------------------------------------------------------|
C* Section 4. Check legal area definition.
C -----------------------------------------------------------------|
C
400 CONTINUE
C
C Don't check area for ocean products
C
IF( NILOCAL.EQ.4 ) GOTO 900
C
IF ( (NOAREA(1).GT.JP90).OR.(NOAREA(1).LT.-JP90) ) THEN
IERR = JPROUTINE + 41
CALL INTLOG(JP_ERROR,
X 'Sorry!: Output area definition illegal',JPQUIET)
CALL INTLOG(JP_ERROR,
X ' Northern limit given as ', NOAREA(1))
INSANE = IERR
GOTO 900
ENDIF
C
IF ( (NOAREA(3).GT.JP90).OR.(NOAREA(3).LT.-JP90) ) THEN
IERR = JPROUTINE + 42
CALL INTLOG(JP_ERROR,
X 'Sorry!: Output area definition illegal',JPQUIET)
CALL INTLOG(JP_ERROR,
X ' Southern limit given as ', NOAREA(3))
INSANE = IERR
GOTO 900
ENDIF
C
IF ( (NOAREA(2).GT.JP360).OR.(NOAREA(2).LT.-JP360) ) THEN
IERR = JPROUTINE + 43
CALL INTLOG(JP_ERROR,
X 'Sorry!: Output area definition illegal',JPQUIET)
CALL INTLOG(JP_ERROR,
X ' Western limit given as ', NOAREA(2))
INSANE = IERR
GOTO 900
ENDIF
C
IF ( (NOAREA(4).GT.JP360).OR.(NOAREA(4).LT.-JP360) ) THEN
IERR = JPROUTINE + 44
CALL INTLOG(JP_ERROR,
X 'Sorry!: Output area definition illegal',JPQUIET)
CALL INTLOG(JP_ERROR,
X ' Eastern limit given as ', NOAREA(4))
INSANE = IERR
GOTO 900
ENDIF
C
C Subarea not supported for reduced gaussian grids
C
IF( LNOAREA.AND.
X ((NOREPR.EQ.JPQUASI).OR.
X (NOREPR.EQ.JPQGGROT).OR.
X (NOREPR.EQ.JPSTRGG)) ) THEN
IERR = JPROUTINE + 45
CALL INTLOG(JP_ERROR,
X 'Sorry!: Subarea not supported for reduced gaussian grids',
X JPQUIET)
INSANE = IERR
GOTO 900
ENDIF
C
C -----------------------------------------------------------------|
C* Section 5. Check legal gaussian grid definition.
C -----------------------------------------------------------------|
C
500 CONTINUE
C
C If input is quasi- regular gaussian, a grid definition must be
C supplied in a GRIB record or by the caller, or the grid must be
C a known definition.
C
IF ( (NIREPR.EQ.JPQUASI) ) THEN
IF ( (.NOT. (LIGIVEL.AND.LIGIVEP)) .AND.
X (.NOT. (NIFORM.EQ.1)) ) THEN
IF (
x (NIGAUSS.NE.32) .AND.
x (NIGAUSS.NE.48) .AND.
x (NIGAUSS.NE.80) .AND.
x (NIGAUSS.NE.128).AND.
X (NIGAUSS.NE.160).AND.
X (NIGAUSS.NE.200).AND.
X (NIGAUSS.NE.256).AND.
X (NIGAUSS.NE.320).AND.
X (NIGAUSS.NE.400).AND.
X (NIGAUSS.NE.512).AND.
X (NIGAUSS.NE.640).AND.
X (NIGAUSS.NE.1024) ) THEN
CALL INTLOG(JP_ERROR,
X 'Sorry!: No definition for quasi gauss. input',NIGAUSS)
INSANE = JPROUTINE + 51
GOTO 900
ENDIF
ENDIF
ENDIF
C
C -----------------------------------------------------------------|
C* Section 6. Check legal rotation definition.
C -----------------------------------------------------------------|
C
600 CONTINUE
C
C Check for rotation.
C
IF ( LNOROTA ) THEN
C
C Only allowed rotations are:
C - spectral to regular lat/long
C - regular gaussian to regular lat/long
C - reduced gaussian to regular lat/long
C
IF( ((NOREPR.NE.JPREGROT).AND.(NOREPR.NE.JPREGULAR)).OR.
X ((NIREPR.NE.JPSPHERE) .AND.
X (NIREPR.NE.JPGAUSSIAN).AND.
X (NIREPR.NE.JPQUASI)) ) THEN
Cjdc CALL INTLOG(JP_ERROR,
Cjdc X 'Sorry!: Only allowed rotations are:',JPQUIET)
Cjdc CALL INTLOG(JP_ERROR,
Cjdc X ' spectral to regular lat/long, or',JPQUIET)
Cjdc CALL INTLOG(JP_ERROR,
Cjdc X ' regular gaussian to regular lat/long',JPQUIET)
Cjdc CALL INTLOG(JP_ERROR,
Cjdc X ' reduced gaussian to regular lat/long',JPQUIET)
INSANE = JPROUTINE + 61
GOTO 900
ENDIF
C
C Check rotation angles.
C
IF ( (NOROTA(1).LT.-JP360) .OR. (NOROTA(1).GT.JP360) ) THEN
CALL INTLOG(JP_ERROR,
X 'Sorry!: Rotation longitude out of range = ',NOROTA(1))
INSANE = JPROUTINE + 62
GOTO 900
ENDIF
C
IF ( (NOROTA(2).LT.-JP180) .OR. (NOROTA(2).GT.JP180) ) THEN
CALL INTLOG(JP_ERROR,
X 'Sorry!: Rotation longitude out of range = ',NOROTA(2))
INSANE = JPROUTINE + 63
GOTO 900
ENDIF
ENDIF
C
C -----------------------------------------------------------------|
C* Section 7. Check legal definition for table, parameter, level
C type.
C -----------------------------------------------------------------|
C
700 CONTINUE
C
C Table
C
IF ( (NOTABLE.LT.0) .OR. (NOTABLE.GT.255) ) THEN
CALL INTLOG(JP_ERROR,
X 'Sorry!: Table definition out of range = ', NOTABLE)
INSANE = JPROUTINE + 71
GOTO 900
ENDIF
C
C Parameter
C
IF ( (NOPARAM.LT.0) .OR. (NOPARAM.GT.255) ) THEN
CALL INTLOG(JP_ERROR,
X 'Sorry!: Parameter definition out of range = ', NOPARAM)
INSANE = JPROUTINE + 72
GOTO 900
ENDIF
C
C Level type
C
IF ( (NOLEVT.LT.0) .OR. (NOLEVT.GT.255) ) THEN
CALL INTLOG(JP_ERROR,
X 'Sorry!: Level type definition out of range = ', NOLEVT)
INSANE = JPROUTINE + 73
GOTO 900
ENDIF
C
C -----------------------------------------------------------------|
C* Section 9. Closedown.
C -----------------------------------------------------------------|
C
900 CONTINUE
C
RETURN
END
|
