! (C) Copyright 2001- ECMWF. ! (C) Copyright 2001- Meteo-France. ! ! This software is licensed under the terms of the Apache Licence Version 2.0 ! which can be obtained at http://www.apache.org/licenses/LICENSE-2.0. ! In applying this licence, ECMWF does not waive the privileges and immunities ! granted to it by virtue of its status as an intergovernmental organisation ! nor does it submit to any jurisdiction. ! MODULE ELEDIR_MOD CONTAINS SUBROUTINE ELEDIR(KM,KFC,KLED2,PFFT) !**** *ELEDIR* - Direct meridional transform. ! Purpose. ! -------- ! Direct meridional tranform of state variables. !** Interface. ! ---------- ! CALL ELEDIR(...) ! Explicit arguments : KM - zonal wavenumber ! -------------------- KFC - number of field to transform ! PAIA - antisymmetric part of Fourier ! fields for zonal wavenumber KM ! PSIA - symmetric part of Fourier ! fields for zonal wavenumber KM ! POA1 - spectral ! fields for zonal wavenumber KM ! PLEPO - Legendre polonomials ! Implicit arguments : None. ! -------------------- ! Method. ! ------- ! Externals. MXMAOP - matrix multiply ! ---------- ! Reference. ! ---------- ! ECMWF Research Department documentation of the IFS ! Author. ! ------- ! Mats Hamrud and Philippe Courtier *ECMWF* ! Modifications. ! -------------- ! Original : 88-01-28 ! Modified : 91-07-01 Philippe Courtier/Mats Hamrud - Rewrite ! for uv formulation ! Modified : 93-03-19 D. Giard - NTMAX instead of NSMAX ! Modified : 04/06/99 D.Salmond : change order of AIA and SIA ! M.Hamrud 01-Oct-2003 CY28 Cleaning ! D. Degrauwe (Feb 2012): Alternative extension zone (E') ! R. El Khatib 01-Sep-2015 support for FFTW transforms ! R. El Khatib 08-Jun-2023 LALL_FFTW for better flexibility ! ------------------------------------------------------------------ USE PARKIND1 ,ONLY : JPIM, JPRB USE YOMHOOK ,ONLY : LHOOK, DR_HOOK USE TPM_DIM ,ONLY : R !USE TPM_GEOMETRY !USE TPM_TRANS #ifdef WITH_FFT992 USE TPMALD_FFT ,ONLY : TALD #endif USE TPM_FFTW ,ONLY : TW, EXEC_EFFTW USE TPMALD_DIM ,ONLY : RALD USE ABORT_TRANS_MOD ,ONLY : ABORT_TRANS ! IMPLICIT NONE INTEGER(KIND=JPIM), INTENT(IN) :: KM,KFC,KLED2 REAL(KIND=JPRB) , INTENT(INOUT) :: PFFT(:,:) INTEGER(KIND=JPIM) :: IRLEN, ICLEN, IOFF, ITYPE ! ------------------------------------------------------------------ !* 1. PERFORM FOURIER TRANFORM. ! -------------------------- IF (KFC>0) THEN ITYPE=-1 IRLEN=R%NDGL+R%NNOEXTZG ICLEN=RALD%NDGLSUR+R%NNOEXTZG #ifdef WITH_FFT992 IF( TALD%LFFT992 )THEN CALL FFT992(PFFT,TALD%TRIGSE,TALD%NFAXE,1,ICLEN,IRLEN,KFC,ITYPE) #endif IOFF=1 CALL EXEC_EFFTW(ITYPE,IRLEN,ICLEN,IOFF,KFC,TW%LALL_FFTW,PFFT) #ifdef WITH_FFT992 ENDIF #endif ENDIF ! ------------------------------------------------------------------ END SUBROUTINE ELEDIR END MODULE ELEDIR_MOD