!-------------------------------------- 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
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CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC
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: mradf5_8.ftn,v 1.4 2011/11/29 15:45:00 armaanl Exp $
C
CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC
SUBROUTINE MRADF5_8 (M,IDO,L1,CC,IM1,IN1,CH,IM2,IN2, 2
1 WA1,WA2,WA3,WA4)
#include "taglam4d.cdk"
REAL*8 CC(IN1,IDO,L1,5) ,CH(IN2,IDO,5,L1) ,
1 WA1(IDO) ,WA2(IDO) ,WA3(IDO) ,WA4(IDO)
real*8 ARG,TR11,TI11,TR12,TI12
C
M1D = (M-1)*IM1+1
M2S = 1-IM2
ARG=2.d0*4.d0*DATAN(1.d0)/5.d0
TR11=DCOS(ARG)
TI11=DSIN(ARG)
TR12=DCOS(2.*ARG)
TI12=DSIN(2.*ARG)
DO 101 K=1,L1
M2 = M2S
DO 1001 M1=1,M1D,IM1
M2 = M2+IM2
CH(M2,1,1,K) = CC(M1,1,K,1)+(CC(M1,1,K,5)+CC(M1,1,K,2))+
1 (CC(M1,1,K,4)+CC(M1,1,K,3))
CH(M2,IDO,2,K) = CC(M1,1,K,1)+TR11*(CC(M1,1,K,5)+CC(M1,1,K,2))+
1 TR12*(CC(M1,1,K,4)+CC(M1,1,K,3))
CH(M2,1,3,K) = TI11*(CC(M1,1,K,5)-CC(M1,1,K,2))+TI12*
1 (CC(M1,1,K,4)-CC(M1,1,K,3))
CH(M2,IDO,4,K) = CC(M1,1,K,1)+TR12*(CC(M1,1,K,5)+CC(M1,1,K,2))+
1 TR11*(CC(M1,1,K,4)+CC(M1,1,K,3))
CH(M2,1,5,K) = TI12*(CC(M1,1,K,5)-CC(M1,1,K,2))-TI11*
1 (CC(M1,1,K,4)-CC(M1,1,K,3))
1001 CONTINUE
101 CONTINUE
IF (IDO .EQ. 1) RETURN
IDP2 = IDO+2
DO 103 K=1,L1
DO 102 I=3,IDO,2
IC = IDP2-I
M2 = M2S
DO 1002 M1=1,M1D,IM1
M2 = M2+IM2
CH(M2,I-1,1,K) = CC(M1,I-1,K,1)+((WA1(I-2)*CC(M1,I-1,K,2)+
1 WA1(I-1)*CC(M1,I,K,2))+(WA4(I-2)*CC(M1,I-1,K,5)+WA4(I-1)*
1 CC(M1,I,K,5)))+((WA2(I-2)*CC(M1,I-1,K,3)+WA2(I-1)*
1 CC(M1,I,K,3))+(WA3(I-2)*CC(M1,I-1,K,4)+
1 WA3(I-1)*CC(M1,I,K,4)))
CH(M2,I,1,K) = CC(M1,I,K,1)+((WA1(I-2)*CC(M1,I,K,2)-
1 WA1(I-1)*CC(M1,I-1,K,2))+(WA4(I-2)*CC(M1,I,K,5)-WA4(I-1)*
1 CC(M1,I-1,K,5)))+((WA2(I-2)*CC(M1,I,K,3)-WA2(I-1)*
1 CC(M1,I-1,K,3))+(WA3(I-2)*CC(M1,I,K,4)-WA3(I-1)*
1 CC(M1,I-1,K,4)))
CH(M2,I-1,3,K) = CC(M1,I-1,K,1)+TR11*
1 ( WA1(I-2)*CC(M1,I-1,K,2)+WA1(I-1)*CC(M1,I,K,2)
1 +WA4(I-2)*CC(M1,I-1,K,5)+WA4(I-1)*CC(M1,I,K,5))+TR12*
1 ( WA2(I-2)*CC(M1,I-1,K,3)+WA2(I-1)*CC(M1,I,K,3)
1 +WA3(I-2)*CC(M1,I-1,K,4)+WA3(I-1)*CC(M1,I,K,4))+TI11*
1 ( WA1(I-2)*CC(M1,I,K,2)-WA1(I-1)*CC(M1,I-1,K,2)
1 -(WA4(I-2)*CC(M1,I,K,5)-WA4(I-1)*CC(M1,I-1,K,5)))+TI12*
1 ( WA2(I-2)*CC(M1,I,K,3)-WA2(I-1)*CC(M1,I-1,K,3)
1 -(WA3(I-2)*CC(M1,I,K,4)-WA3(I-1)*CC(M1,I-1,K,4)))
CH(M2,IC-1,2,K) = CC(M1,I-1,K,1)+TR11*
1 ( WA1(I-2)*CC(M1,I-1,K,2)+WA1(I-1)*CC(M1,I,K,2)
1 +WA4(I-2)*CC(M1,I-1,K,5)+WA4(I-1)*CC(M1,I,K,5))+TR12*
1 ( WA2(I-2)*CC(M1,I-1,K,3)+WA2(I-1)*CC(M1,I,K,3)
1 +WA3(I-2)*CC(M1,I-1,K,4)+WA3(I-1)*CC(M1,I,K,4))-(TI11*
1 ( WA1(I-2)*CC(M1,I,K,2)-WA1(I-1)*CC(M1,I-1,K,2)
1 -(WA4(I-2)*CC(M1,I,K,5)-WA4(I-1)*CC(M1,I-1,K,5)))+TI12*
1 ( WA2(I-2)*CC(M1,I,K,3)-WA2(I-1)*CC(M1,I-1,K,3)
1 -(WA3(I-2)*CC(M1,I,K,4)-WA3(I-1)*CC(M1,I-1,K,4))))
CH(M2,I,3,K) = (CC(M1,I,K,1)+TR11*((WA1(I-2)*CC(M1,I,K,2)-
1 WA1(I-1)*CC(M1,I-1,K,2))+(WA4(I-2)*CC(M1,I,K,5)-WA4(I-1)*
1 CC(M1,I-1,K,5)))+TR12*((WA2(I-2)*CC(M1,I,K,3)-WA2(I-1)*
1 CC(M1,I-1,K,3))+(WA3(I-2)*CC(M1,I,K,4)-WA3(I-1)*
1 CC(M1,I-1,K,4))))+(TI11*((WA4(I-2)*CC(M1,I-1,K,5)+
1 WA4(I-1)*CC(M1,I,K,5))-(WA1(I-2)*CC(M1,I-1,K,2)+WA1(I-1)*
1 CC(M1,I,K,2)))+TI12*((WA3(I-2)*CC(M1,I-1,K,4)+WA3(I-1)*
1 CC(M1,I,K,4))-(WA2(I-2)*CC(M1,I-1,K,3)+WA2(I-1)*
1 CC(M1,I,K,3))))
CH(M2,IC,2,K) = (TI11*((WA4(I-2)*CC(M1,I-1,K,5)+WA4(I-1)*
1 CC(M1,I,K,5))-(WA1(I-2)*CC(M1,I-1,K,2)+WA1(I-1)*
1 CC(M1,I,K,2)))+TI12*((WA3(I-2)*CC(M1,I-1,K,4)+WA3(I-1)*
1 CC(M1,I,K,4))-(WA2(I-2)*CC(M1,I-1,K,3)+WA2(I-1)*
1 CC(M1,I,K,3))))-(CC(M1,I,K,1)+TR11*((WA1(I-2)*CC(M1,I,K,2)-
1 WA1(I-1)*CC(M1,I-1,K,2))+(WA4(I-2)*CC(M1,I,K,5)-WA4(I-1)*
1 CC(M1,I-1,K,5)))+TR12*((WA2(I-2)*CC(M1,I,K,3)-WA2(I-1)*
1 CC(M1,I-1,K,3))+(WA3(I-2)*CC(M1,I,K,4)-WA3(I-1)*
1 CC(M1,I-1,K,4))))
CH(M2,I-1,5,K) = (CC(M1,I-1,K,1)+TR12*((WA1(I-2)*
1 CC(M1,I-1,K,2)+WA1(I-1)*CC(M1,I,K,2))+(WA4(I-2)*
1 CC(M1,I-1,K,5)+WA4(I-1)*CC(M1,I,K,5)))+TR11*((WA2(I-2)*
1 CC(M1,I-1,K,3)+WA2(I-1)*CC(M1,I,K,3))+(WA3(I-2)*
1 CC(M1,I-1,K,4)+WA3(I-1)*CC(M1,I,K,4))))+(TI12*((WA1(I-2)*
1 CC(M1,I,K,2)-WA1(I-1)*CC(M1,I-1,K,2))-(WA4(I-2)*
1 CC(M1,I,K,5)-WA4(I-1)*CC(M1,I-1,K,5)))-TI11*((WA2(I-2)*
1 CC(M1,I,K,3)-WA2(I-1)*CC(M1,I-1,K,3))-(WA3(I-2)*
1 CC(M1,I,K,4)-WA3(I-1)*CC(M1,I-1,K,4))))
CH(M2,IC-1,4,K) = (CC(M1,I-1,K,1)+TR12*((WA1(I-2)*
1 CC(M1,I-1,K,2)+WA1(I-1)*CC(M1,I,K,2))+(WA4(I-2)*
1 CC(M1,I-1,K,5)+WA4(I-1)*CC(M1,I,K,5)))+TR11*((WA2(I-2)*
1 CC(M1,I-1,K,3)+WA2(I-1)*CC(M1,I,K,3))+(WA3(I-2)*
1 CC(M1,I-1,K,4)+WA3(I-1)*CC(M1,I,K,4))))-(TI12*((WA1(I-2)*
1 CC(M1,I,K,2)-WA1(I-1)*CC(M1,I-1,K,2))-(WA4(I-2)*
1 CC(M1,I,K,5)-WA4(I-1)*CC(M1,I-1,K,5)))-TI11*((WA2(I-2)*
1 CC(M1,I,K,3)-WA2(I-1)*CC(M1,I-1,K,3))-(WA3(I-2)*
1 CC(M1,I,K,4)-WA3(I-1)*CC(M1,I-1,K,4))))
CH(M2,I,5,K) = (CC(M1,I,K,1)+TR12*((WA1(I-2)*CC(M1,I,K,2)-
1 WA1(I-1)*CC(M1,I-1,K,2))+(WA4(I-2)*CC(M1,I,K,5)-WA4(I-1)*
1 CC(M1,I-1,K,5)))+TR11*((WA2(I-2)*CC(M1,I,K,3)-WA2(I-1)*
1 CC(M1,I-1,K,3))+(WA3(I-2)*CC(M1,I,K,4)-WA3(I-1)*
1 CC(M1,I-1,K,4))))+(TI12*((WA4(I-2)*CC(M1,I-1,K,5)+
1 WA4(I-1)*CC(M1,I,K,5))-(WA1(I-2)*CC(M1,I-1,K,2)+WA1(I-1)*
1 CC(M1,I,K,2)))-TI11*((WA3(I-2)*CC(M1,I-1,K,4)+WA3(I-1)*
1 CC(M1,I,K,4))-(WA2(I-2)*CC(M1,I-1,K,3)+WA2(I-1)*
1 CC(M1,I,K,3))))
CH(M2,IC,4,K) = (TI12*((WA4(I-2)*CC(M1,I-1,K,5)+WA4(I-1)*
1 CC(M1,I,K,5))-(WA1(I-2)*CC(M1,I-1,K,2)+WA1(I-1)*
1 CC(M1,I,K,2)))-TI11*((WA3(I-2)*CC(M1,I-1,K,4)+WA3(I-1)*
1 CC(M1,I,K,4))-(WA2(I-2)*CC(M1,I-1,K,3)+WA2(I-1)*
1 CC(M1,I,K,3))))-(CC(M1,I,K,1)+TR12*((WA1(I-2)*CC(M1,I,K,2)-
1 WA1(I-1)*CC(M1,I-1,K,2))+(WA4(I-2)*CC(M1,I,K,5)-WA4(I-1)*
1 CC(M1,I-1,K,5)))+TR11*((WA2(I-2)*CC(M1,I,K,3)-WA2(I-1)*
1 CC(M1,I-1,K,3))+(WA3(I-2)*CC(M1,I,K,4)-WA3(I-1)*
1 CC(M1,I-1,K,4))))
1002 CONTINUE
102 CONTINUE
103 CONTINUE
RETURN
END