SUBROUTINE VRADF5 (MP,IDO,L1,CC,CH,MDIMC,WA1,WA2,WA3,WA4) C C VRFFTPK, VERSION 1, AUGUST 1985 C DIMENSION CC(MDIMC,IDO,L1,5) ,CH(MDIMC,IDO,5,L1) , 1 WA1(IDO) ,WA2(IDO) ,WA3(IDO) ,WA4(IDO) ARG=2.*PIMACH(1.0)/5. TR11=COS(ARG) TI11=SIN(ARG) TR12=COS(2.*ARG) TI12=SIN(2.*ARG) DO 101 K=1,L1 DO 1001 M=1,MP CH(M,1,1,K) = CC(M,1,K,1)+(CC(M,1,K,5)+CC(M,1,K,2))+ 1 (CC(M,1,K,4)+CC(M,1,K,3)) CH(M,IDO,2,K) = CC(M,1,K,1)+TR11*(CC(M,1,K,5)+CC(M,1,K,2))+ 1 TR12*(CC(M,1,K,4)+CC(M,1,K,3)) CH(M,1,3,K) = TI11*(CC(M,1,K,5)-CC(M,1,K,2))+TI12* 1 (CC(M,1,K,4)-CC(M,1,K,3)) CH(M,IDO,4,K) = CC(M,1,K,1)+TR12*(CC(M,1,K,5)+CC(M,1,K,2))+ 1 TR11*(CC(M,1,K,4)+CC(M,1,K,3)) CH(M,1,5,K) = TI12*(CC(M,1,K,5)-CC(M,1,K,2))-TI11* 1 (CC(M,1,K,4)-CC(M,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 DO 1002 M=1,MP CH(M,I-1,1,K) = CC(M,I-1,K,1)+((WA1(I-2)*CC(M,I-1,K,2)+ 1 WA1(I-1)*CC(M,I,K,2))+(WA4(I-2)*CC(M,I-1,K,5)+WA4(I-1)* 1 CC(M,I,K,5)))+((WA2(I-2)*CC(M,I-1,K,3)+WA2(I-1)* 1 CC(M,I,K,3))+(WA3(I-2)*CC(M,I-1,K,4)+WA3(I-1)*CC(M,I,K,4))) CH(M,I,1,K) = CC(M,I,K,1)+((WA1(I-2)*CC(M,I,K,2)-WA1(I-1)* 1 CC(M,I-1,K,2))+(WA4(I-2)*CC(M,I,K,5)-WA4(I-1)* 1 CC(M,I-1,K,5)))+((WA2(I-2)*CC(M,I,K,3)-WA2(I-1)* 1 CC(M,I-1,K,3))+(WA3(I-2)*CC(M,I,K,4)-WA3(I-1)* 1 CC(M,I-1,K,4))) CH(M,I-1,3,K) = CC(M,I-1,K,1)+TR11* 1 ( WA1(I-2)*CC(M,I-1,K,2)+WA1(I-1)*CC(M,I,K,2) 1 +WA4(I-2)*CC(M,I-1,K,5)+WA4(I-1)*CC(M,I,K,5))+TR12* 1 ( WA2(I-2)*CC(M,I-1,K,3)+WA2(I-1)*CC(M,I,K,3) 1 +WA3(I-2)*CC(M,I-1,K,4)+WA3(I-1)*CC(M,I,K,4))+TI11* 1 ( WA1(I-2)*CC(M,I,K,2)-WA1(I-1)*CC(M,I-1,K,2) 1 -(WA4(I-2)*CC(M,I,K,5)-WA4(I-1)*CC(M,I-1,K,5)))+TI12* 1 ( WA2(I-2)*CC(M,I,K,3)-WA2(I-1)*CC(M,I-1,K,3) 1 -(WA3(I-2)*CC(M,I,K,4)-WA3(I-1)*CC(M,I-1,K,4))) CH(M,IC-1,2,K) = CC(M,I-1,K,1)+TR11* 1 ( WA1(I-2)*CC(M,I-1,K,2)+WA1(I-1)*CC(M,I,K,2) 1 +WA4(I-2)*CC(M,I-1,K,5)+WA4(I-1)*CC(M,I,K,5))+TR12* 1 ( WA2(I-2)*CC(M,I-1,K,3)+WA2(I-1)*CC(M,I,K,3) 1 +WA3(I-2)*CC(M,I-1,K,4)+WA3(I-1)*CC(M,I,K,4))-(TI11* 1 ( WA1(I-2)*CC(M,I,K,2)-WA1(I-1)*CC(M,I-1,K,2) 1 -(WA4(I-2)*CC(M,I,K,5)-WA4(I-1)*CC(M,I-1,K,5)))+TI12* 1 ( WA2(I-2)*CC(M,I,K,3)-WA2(I-1)*CC(M,I-1,K,3) 1 -(WA3(I-2)*CC(M,I,K,4)-WA3(I-1)*CC(M,I-1,K,4)))) CH(M,I,3,K) = (CC(M,I,K,1)+TR11*((WA1(I-2)*CC(M,I,K,2)- 1 WA1(I-1)*CC(M,I-1,K,2))+(WA4(I-2)*CC(M,I,K,5)-WA4(I-1)* 1 CC(M,I-1,K,5)))+TR12*((WA2(I-2)*CC(M,I,K,3)-WA2(I-1)* 1 CC(M,I-1,K,3))+(WA3(I-2)*CC(M,I,K,4)-WA3(I-1)* 1 CC(M,I-1,K,4))))+(TI11*((WA4(I-2)*CC(M,I-1,K,5)+ 1 WA4(I-1)*CC(M,I,K,5))-(WA1(I-2)*CC(M,I-1,K,2)+WA1(I-1)* 1 CC(M,I,K,2)))+TI12*((WA3(I-2)*CC(M,I-1,K,4)+WA3(I-1)* 1 CC(M,I,K,4))-(WA2(I-2)*CC(M,I-1,K,3)+WA2(I-1)* 1 CC(M,I,K,3)))) CH(M,IC,2,K) = (TI11*((WA4(I-2)*CC(M,I-1,K,5)+WA4(I-1)* 1 CC(M,I,K,5))-(WA1(I-2)*CC(M,I-1,K,2)+WA1(I-1)* 1 CC(M,I,K,2)))+TI12*((WA3(I-2)*CC(M,I-1,K,4)+WA3(I-1)* 1 CC(M,I,K,4))-(WA2(I-2)*CC(M,I-1,K,3)+WA2(I-1)* 1 CC(M,I,K,3))))-(CC(M,I,K,1)+TR11*((WA1(I-2)*CC(M,I,K,2)- 1 WA1(I-1)*CC(M,I-1,K,2))+(WA4(I-2)*CC(M,I,K,5)-WA4(I-1)* 1 CC(M,I-1,K,5)))+TR12*((WA2(I-2)*CC(M,I,K,3)-WA2(I-1)* 1 CC(M,I-1,K,3))+(WA3(I-2)*CC(M,I,K,4)-WA3(I-1)* 1 CC(M,I-1,K,4)))) CH(M,I-1,5,K) = (CC(M,I-1,K,1)+TR12*((WA1(I-2)* 1 CC(M,I-1,K,2)+WA1(I-1)*CC(M,I,K,2))+(WA4(I-2)* 1 CC(M,I-1,K,5)+WA4(I-1)*CC(M,I,K,5)))+TR11*((WA2(I-2)* 1 CC(M,I-1,K,3)+WA2(I-1)*CC(M,I,K,3))+(WA3(I-2)* 1 CC(M,I-1,K,4)+WA3(I-1)*CC(M,I,K,4))))+(TI12*((WA1(I-2)* 1 CC(M,I,K,2)-WA1(I-1)*CC(M,I-1,K,2))-(WA4(I-2)*CC(M,I,K,5)- 1 WA4(I-1)*CC(M,I-1,K,5)))-TI11*((WA2(I-2)*CC(M,I,K,3)- 1 WA2(I-1)*CC(M,I-1,K,3))-(WA3(I-2)*CC(M,I,K,4)-WA3(I-1)* 1 CC(M,I-1,K,4)))) CH(M,IC-1,4,K) = (CC(M,I-1,K,1)+TR12*((WA1(I-2)* 1 CC(M,I-1,K,2)+WA1(I-1)*CC(M,I,K,2))+(WA4(I-2)* 1 CC(M,I-1,K,5)+WA4(I-1)*CC(M,I,K,5)))+TR11*((WA2(I-2)* 1 CC(M,I-1,K,3)+WA2(I-1)*CC(M,I,K,3))+(WA3(I-2)* 1 CC(M,I-1,K,4)+WA3(I-1)*CC(M,I,K,4))))-(TI12*((WA1(I-2)* 1 CC(M,I,K,2)-WA1(I-1)*CC(M,I-1,K,2))-(WA4(I-2)*CC(M,I,K,5)- 1 WA4(I-1)*CC(M,I-1,K,5)))-TI11*((WA2(I-2)*CC(M,I,K,3)- 1 WA2(I-1)*CC(M,I-1,K,3))-(WA3(I-2)*CC(M,I,K,4)-WA3(I-1)* 1 CC(M,I-1,K,4)))) CH(M,I,5,K) = (CC(M,I,K,1)+TR12*((WA1(I-2)*CC(M,I,K,2)- 1 WA1(I-1)*CC(M,I-1,K,2))+(WA4(I-2)*CC(M,I,K,5)-WA4(I-1)* 1 CC(M,I-1,K,5)))+TR11*((WA2(I-2)*CC(M,I,K,3)-WA2(I-1)* 1 CC(M,I-1,K,3))+(WA3(I-2)*CC(M,I,K,4)-WA3(I-1)* 1 CC(M,I-1,K,4))))+(TI12*((WA4(I-2)*CC(M,I-1,K,5)+ 1 WA4(I-1)*CC(M,I,K,5))-(WA1(I-2)*CC(M,I-1,K,2)+WA1(I-1)* 1 CC(M,I,K,2)))-TI11*((WA3(I-2)*CC(M,I-1,K,4)+WA3(I-1)* 1 CC(M,I,K,4))-(WA2(I-2)*CC(M,I-1,K,3)+WA2(I-1)* 1 CC(M,I,K,3)))) CH(M,IC,4,K) = (TI12*((WA4(I-2)*CC(M,I-1,K,5)+WA4(I-1)* 1 CC(M,I,K,5))-(WA1(I-2)*CC(M,I-1,K,2)+WA1(I-1)* 1 CC(M,I,K,2)))-TI11*((WA3(I-2)*CC(M,I-1,K,4)+WA3(I-1)* 1 CC(M,I,K,4))-(WA2(I-2)*CC(M,I-1,K,3)+WA2(I-1)* 1 CC(M,I,K,3))))-(CC(M,I,K,1)+TR12*((WA1(I-2)*CC(M,I,K,2)- 1 WA1(I-1)*CC(M,I-1,K,2))+(WA4(I-2)*CC(M,I,K,5)-WA4(I-1)* 1 CC(M,I-1,K,5)))+TR11*((WA2(I-2)*CC(M,I,K,3)-WA2(I-1)* 1 CC(M,I-1,K,3))+(WA3(I-2)*CC(M,I,K,4)-WA3(I-1)* 1 CC(M,I-1,K,4)))) 1002 CONTINUE 102 CONTINUE 103 CONTINUE RETURN END .