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SUBROUTINE SETUP_TRANS(KSMAX,KDGL,KLOEN,LDLINEAR_GRID,LDSPLIT,& |
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&KAPSETS,KTMAX,KRESOL) |
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!**** *SETUP_TRANS* - Setup transform package for specific resolution |
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! Purpose. |
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! -------- |
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! To setup for making spectral transforms. Each call to this routine |
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! creates a new resolution up to a maximum of NMAX_RESOL set up in |
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! SETUP_TRANS0. You need to call SETUP_TRANS0 before this routine can |
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! be called. |
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!** Interface. |
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! ---------- |
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! CALL SETUP_TRANS(...) |
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! Explicit arguments : KLOEN,LDLINEAR_GRID,LDSPLIT,KAPSETS are optional arguments |
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! -------------------- |
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! KSMAX - spectral truncation required |
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! KDGL - number of Gaussian latitudes |
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! KLOEN(:) - number of points on each Gaussian latitude [2*KDGL] |
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! LDSPLIT - true if split latitudes in grid-point space [false] |
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! LDLINEAR_GRID - true if linear grid |
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! KAPSETS - Number of apple sets in the distribution [0] |
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! KTMAX - truncation order for tendencies? |
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! KRESOL - the resolution identifier |
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! KSMAX,KDGL,KTMAX and KLOEN are GLOBAL variables desribing the resolution |
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! in spectral and grid-point space |
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! LDSPLIT and KAPSETS describe the distribution among processors of |
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! grid-point data and has no relevance if you are using a single processor |
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! Method. |
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! ------- |
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! Externals. SET_RESOL - set resolution |
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! ---------- SETUP_DIMS - setup distribution independent dimensions |
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! SUMP_TRANS_PRELEG - first part of setup of distr. environment |
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! SULEG - Compute Legandre polonomial and Gaussian |
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! Latitudes and Weights |
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! SETUP_GEOM - Compute arrays related to grid-point geometry |
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! SUMP_TRANS - Second part of setup of distributed environment |
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! SUFFT - setup for FFT |
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! Author. |
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! ------- |
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! Mats Hamrud *ECMWF* |
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! Modifications. |
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! -------------- |
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! Original : 00-03-03 |
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! ------------------------------------------------------------------ |
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USE PARKIND1 ,ONLY : JPIM ,JPRB |
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!ifndef INTERFACE |
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USE TPM_GEN |
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USE TPM_DIM |
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USE TPM_DISTR |
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USE TPM_GEOMETRY |
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USE TPM_FIELDS |
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USE TPM_FFT |
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USE SET_RESOL_MOD |
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USE SETUP_DIMS_MOD |
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USE SUMP_TRANS_MOD |
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USE SUMP_TRANS_PRELEG_MOD |
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USE SULEG_MOD |
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USE SETUP_GEOM_MOD |
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USE SUFFT_MOD |
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USE ABORT_TRANS_MOD |
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USE YOMHOOK ,ONLY : LHOOK, DR_HOOK |
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!endif INTERFACE |
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IMPLICIT NONE |
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! Dummy arguments |
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INTEGER(KIND=JPIM) ,INTENT(IN) :: KSMAX,KDGL |
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INTEGER(KIND=JPIM) ,OPTIONAL,INTENT(IN) :: KLOEN(:) |
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LOGICAL ,OPTIONAL,INTENT(IN) :: LDLINEAR_GRID |
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LOGICAL ,OPTIONAL,INTENT(IN) :: LDSPLIT |
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INTEGER(KIND=JPIM) ,OPTIONAL,INTENT(IN) :: KAPSETS |
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INTEGER(KIND=JPIM) ,OPTIONAL,INTENT(IN) :: KTMAX |
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INTEGER(KIND=JPIM) ,OPTIONAL,INTENT(OUT):: KRESOL |
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!ifndef INTERFACE |
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! Local variables |
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INTEGER(KIND=JPIM) :: JGL |
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LOGICAL :: LLP1,LLP2 |
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REAL(KIND=JPRB) :: ZHOOK_HANDLE |
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! ------------------------------------------------------------------ |
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IF (LHOOK) CALL DR_HOOK('SETUP_TRANS',0,ZHOOK_HANDLE) |
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IF(MSETUP0 /= 1) THEN |
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CALL ABORT_TRANS('SETUP_TRANS: SETUP_TRANS0 HAS TO BE CALLED BEFORE SETUP_TRANS') |
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ENDIF |
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LLP1 = NPRINTLEV>0 |
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LLP2 = NPRINTLEV>1 |
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IF(LLP1) WRITE(NOUT,*) '=== ENTER ROUTINE SETUP_TRANS ===' |
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! Allocate resolution dependent structures |
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IF(.NOT. ALLOCATED(DIM_RESOL)) THEN |
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NDEF_RESOL = 1 |
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ALLOCATE(DIM_RESOL(NMAX_RESOL)) |
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ALLOCATE(FIELDS_RESOL(NMAX_RESOL)) |
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ALLOCATE(GEOM_RESOL(NMAX_RESOL)) |
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ALLOCATE(DISTR_RESOL(NMAX_RESOL)) |
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ALLOCATE(FFT_RESOL(NMAX_RESOL)) |
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ELSE |
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NDEF_RESOL = NDEF_RESOL+1 |
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IF(NDEF_RESOL > NMAX_RESOL) THEN |
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CALL ABORT_TRANS('SETUP_TRANS:NDEF_RESOL > NMAX_RESOL') |
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ENDIF |
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ENDIF |
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IF (PRESENT(KRESOL)) THEN |
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KRESOL=NDEF_RESOL |
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ENDIF |
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! Point at structures due to be initialized |
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CALL SET_RESOL(NDEF_RESOL) |
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IF(LLP1) WRITE(NOUT,*) '=== DEFINING RESOLUTION ',NCUR_RESOL |
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! Defaults for optional arguments |
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G%LREDUCED_GRID = .FALSE. |
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G%LINEAR_GRID = .FALSE. |
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D%LSPLIT = .FALSE. |
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D%NAPSETS = 0 |
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! NON-OPTIONAL ARGUMENTS |
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R%NSMAX = KSMAX |
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R%NDGL = KDGL |
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R%NDLON = 2*KDGL |
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IF (KDGL <= 0 .OR. MOD(KDGL,2) /= 0) THEN |
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CALL ABORT_TRANS ('SETUP_TRANS: KDGL IS NOT A POSITIVE, EVEN NUMBER') |
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ENDIF |
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! Optional arguments |
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ALLOCATE(G%NLOEN(R%NDGL)) |
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IF(LLP2)WRITE(NOUT,9) 'NLOEN ',SIZE(G%NLOEN ),SHAPE(G%NLOEN ) |
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IF(PRESENT(KLOEN)) THEN |
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DO JGL=1,R%NDGL |
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IF(KLOEN(JGL) /= R%NDLON) THEN |
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G%LREDUCED_GRID = .TRUE. |
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EXIT |
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ENDIF |
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ENDDO |
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ENDIF |
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IF (G%LREDUCED_GRID) THEN |
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G%NLOEN(:) = KLOEN(1:R%NDGL) |
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ELSE |
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G%NLOEN(:) = R%NDLON |
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ENDIF |
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IF(PRESENT(LDSPLIT)) THEN |
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D%LSPLIT = LDSPLIT |
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ENDIF |
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IF(PRESENT(KAPSETS)) THEN |
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D%NAPSETS = KAPSETS |
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ENDIF |
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IF(PRESENT(KTMAX)) THEN |
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R%NTMAX = KTMAX |
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ELSE |
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R%NTMAX = R%NSMAX |
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ENDIF |
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IF(R%NTMAX /= R%NSMAX) THEN |
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!This SHOULD work but I don't know how to test it /MH |
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CALL ABORT_TRANS('SETUP_TRANS:R%NTMAX /= R%NSMAX HAS NOT BEEN VALIDATED') |
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ENDIF |
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!Temporary? |
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IF(PRESENT(LDLINEAR_GRID)) THEN |
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G%LINEAR_GRID = LDLINEAR_GRID |
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ELSEIF(R%NSMAX > (R%NDLON+3)/3) THEN |
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G%LINEAR_GRID = .TRUE. |
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ENDIF |
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! Setup resolution dependent structures |
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! ------------------------------------- |
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! Setup distribution independent dimensions |
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CALL SETUP_DIMS |
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! First part of setup of distributed environment |
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CALL SUMP_TRANS_PRELEG |
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! Compute Legandre polonomial and Gaussian Latitudes and Weights |
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CALL SULEG |
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!CALL GSTATS(1802,0) MPL 2.12.08 |
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! Compute arrays related to grid-point geometry |
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CALL SETUP_GEOM |
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! Second part of setup of distributed environment |
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CALL SUMP_TRANS |
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! Initialize Fast Fourier Transform package |
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CALL SUFFT |
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!CALL GSTATS(1802,1) MPL 2.12.08 |
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IF (LHOOK) CALL DR_HOOK('SETUP_TRANS',1,ZHOOK_HANDLE) |
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! ------------------------------------------------------------------ |
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9 FORMAT(1X,'ARRAY ',A10,' ALLOCATED ',8I8) |
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!endif INTERFACE |
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END SUBROUTINE SETUP_TRANS |
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