!-------------------------------------- LICENCE BEGIN ------------------------------------
!Environment Canada - Atmospheric Science and Technology License/Disclaimer,
! version 3; Last Modified: May 7, 2008.
!This is free but copyrighted software; you can use/redistribute/modify it under the terms
!of the Environment Canada - Atmospheric Science and Technology License/Disclaimer
!version 3 or (at your option) any later version that should be found at:
!http://collaboration.cmc.ec.gc.ca/science/rpn.comm/license.html
!
!This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
!without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
!See the above mentioned License/Disclaimer for more details.
!You should have received a copy of the License/Disclaimer along with this software;
!if not, you can write to: EC-RPN COMM Group, 2121 TransCanada, suite 500, Dorval (Quebec),
!CANADA, H9P 1J3; or send e-mail to service.rpn@ec.gc.ca
!-------------------------------------- LICENCE END --------------------------------------
!
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C
C FFTPACK 5.0
C Copyright (C) 1995-2004, Scientific Computing Division,
C University Corporation for Atmospheric Research
C Licensed under the GNU General Public License (GPL)
C
C Authors: Paul N. Swarztrauber and Richard A. Valent
C
C $Id: rfftmf_8.ftn,v 1.4 2011/11/29 15:45:07 armaanl Exp $
C
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SUBROUTINE RFFTMF_8 (LOT, JUMP, N, INC, R, LENR, WSAVE, LENSAV, 1,5
1 WORK, LENWRK, IER)
#include "taglam4d.cdk"
INTEGER LOT, JUMP, N, INC, LENR, LENSAV, LENWRK, IER
REAL*8 R(JUMP,LOT), WSAVE(LENSAV), WORK(LOT,LENWRK)
LOGICAL XERCON
C
IER = 0
C
IF (LENR .LT. (LOT-1)*JUMP + INC*(N-1) + 1) THEN
IER = 1
CALL XERFFT ('RFFTMF ', 6)
ELSEIF (LENSAV .LT. N + INT(LOG(REAL(N))) +4) THEN
IER = 2
CALL XERFFT ('RFFTMF ', 8)
ELSEIF (LENWRK .LT. N) THEN
IER = 3
CALL XERFFT ('RFFTMF ', 10)
ELSEIF (.NOT. XERCON(INC,JUMP,N,LOT)) THEN
IER = 4
CALL XERFFT ('RFFTMF ', -1)
ENDIF
C
IF (N .EQ. 1) RETURN
C
! print *,'RFFTMF_8: avant: LENR, R = ',LENR, R
! print *,'RFFTMF_8: ACTIVE'
! do ji=1,LENSAV
! print *,'RFFTMF_8: ji,wsave(ji)=',ji,wsave(ji)
! enddo
CALL MRFTF1_8 (LOT,JUMP,N,INC,R,WORK,WSAVE,WSAVE(N+1),lenwrk)
! print *,'RFFTMF_8: LENR, R = ',LENR, R
RETURN
END