SUBROUTINE VPASSM(A,B,C,D,TRIGS,INC1,INC2,INC3,INC4,LOT,N,IFAC,LA) DIMENSION A(N),B(N),C(N),D(N),TRIGS(N) CJPB DATA SIN36/0.587785252292473/,COS36/0.809016994374947/, CJPB * SIN72/0.951056516295154/,COS72/0.309016994374947/, CJPB * SIN60/0.866025403784437/ DATA SIN36/0.58778525230 /,COS36/0.80901699438 /, * SIN72/0.95105651630 /,COS72/0.30901699438 /, * SIN60/0.86602540378 / C M=N/IFAC IINK=M*INC1 JINK=LA*INC2 JUMP=(IFAC-1)*JINK IBASE=0 JBASE=0 IGO=IFAC-1 IF (IGO.GT.4) RETURN GO TO (10,50,90,130),IGO C C CODING FOR FACTOR 2 C 10 IA=1 JA=1 IB=IA+IINK JB=JA+JINK DO 20 L=1,LA I=IBASE J=JBASE CDIR$ IVDEP DO 15 IJK=1,LOT C(JA+J)=A(IA+I)+A(IB+I) D(JA+J)=B(IA+I)+B(IB+I) C(JB+J)=A(IA+I)-A(IB+I) D(JB+J)=B(IA+I)-B(IB+I) I=I+INC3 J=J+INC4 15 CONTINUE IBASE=IBASE+INC1 JBASE=JBASE+INC2 20 CONTINUE IF (LA.EQ.M) RETURN LA1=LA+1 JBASE=JBASE+JUMP DO 40 K=LA1,M,LA KB=K+K-2 C1=TRIGS(KB+1) S1=TRIGS(KB+2) DO 30 L=1,LA I=IBASE J=JBASE CDIR$ IVDEP DO 25 IJK=1,LOT C(JA+J)=A(IA+I)+A(IB+I) D(JA+J)=B(IA+I)+B(IB+I) C(JB+J)=C1*(A(IA+I)-A(IB+I))-S1*(B(IA+I)-B(IB+I)) D(JB+J)=S1*(A(IA+I)-A(IB+I))+C1*(B(IA+I)-B(IB+I)) I=I+INC3 J=J+INC4 25 CONTINUE IBASE=IBASE+INC1 JBASE=JBASE+INC2 30 CONTINUE JBASE=JBASE+JUMP 40 CONTINUE RETURN C C CODING FOR FACTOR 3 C 50 IA=1 JA=1 IB=IA+IINK JB=JA+JINK IC=IB+IINK JC=JB+JINK DO 60 L=1,LA I=IBASE J=JBASE CDIR$ IVDEP DO 55 IJK=1,LOT C(JA+J)=A(IA+I)+(A(IB+I)+A(IC+I)) D(JA+J)=B(IA+I)+(B(IB+I)+B(IC+I)) C(JB+J)=(A(IA+I)-0.5*(A(IB+I)+A(IC+I)))-(SIN60*(B(IB+I)-B(IC+I))) C(JC+J)=(A(IA+I)-0.5*(A(IB+I)+A(IC+I)))+(SIN60*(B(IB+I)-B(IC+I))) D(JB+J)=(B(IA+I)-0.5*(B(IB+I)+B(IC+I)))+(SIN60*(A(IB+I)-A(IC+I))) D(JC+J)=(B(IA+I)-0.5*(B(IB+I)+B(IC+I)))-(SIN60*(A(IB+I)-A(IC+I))) I=I+INC3 J=J+INC4 55 CONTINUE IBASE=IBASE+INC1 JBASE=JBASE+INC2 60 CONTINUE IF (LA.EQ.M) RETURN LA1=LA+1 JBASE=JBASE+JUMP DO 80 K=LA1,M,LA KB=K+K-2 KC=KB+KB C1=TRIGS(KB+1) S1=TRIGS(KB+2) C2=TRIGS(KC+1) S2=TRIGS(KC+2) DO 70 L=1,LA I=IBASE J=JBASE CDIR$ IVDEP DO 65 IJK=1,LOT C(JA+J)=A(IA+I)+(A(IB+I)+A(IC+I)) D(JA+J)=B(IA+I)+(B(IB+I)+B(IC+I)) C(JB+J)= * C1*((A(IA+I)-0.5*(A(IB+I)+A(IC+I)))-(SIN60*(B(IB+I)-B(IC+I)))) * -S1*((B(IA+I)-0.5*(B(IB+I)+B(IC+I)))+(SIN60*(A(IB+I)-A(IC+I)))) D(JB+J)= * S1*((A(IA+I)-0.5*(A(IB+I)+A(IC+I)))-(SIN60*(B(IB+I)-B(IC+I)))) * +C1*((B(IA+I)-0.5*(B(IB+I)+B(IC+I)))+(SIN60*(A(IB+I)-A(IC+I)))) C(JC+J)= * C2*((A(IA+I)-0.5*(A(IB+I)+A(IC+I)))+(SIN60*(B(IB+I)-B(IC+I)))) * -S2*((B(IA+I)-0.5*(B(IB+I)+B(IC+I)))-(SIN60*(A(IB+I)-A(IC+I)))) D(JC+J)= * S2*((A(IA+I)-0.5*(A(IB+I)+A(IC+I)))+(SIN60*(B(IB+I)-B(IC+I)))) * +C2*((B(IA+I)-0.5*(B(IB+I)+B(IC+I)))-(SIN60*(A(IB+I)-A(IC+I)))) I=I+INC3 J=J+INC4 65 CONTINUE IBASE=IBASE+INC1 JBASE=JBASE+INC2 70 CONTINUE JBASE=JBASE+JUMP 80 CONTINUE RETURN C C CODING FOR FACTOR 4 C 90 IA=1 JA=1 IB=IA+IINK JB=JA+JINK IC=IB+IINK JC=JB+JINK ID=IC+IINK JD=JC+JINK DO 100 L=1,LA I=IBASE J=JBASE CDIR$ IVDEP DO 95 IJK=1,LOT C(JA+J)=(A(IA+I)+A(IC+I))+(A(IB+I)+A(ID+I)) C(JC+J)=(A(IA+I)+A(IC+I))-(A(IB+I)+A(ID+I)) D(JA+J)=(B(IA+I)+B(IC+I))+(B(IB+I)+B(ID+I)) D(JC+J)=(B(IA+I)+B(IC+I))-(B(IB+I)+B(ID+I)) C(JB+J)=(A(IA+I)-A(IC+I))-(B(IB+I)-B(ID+I)) C(JD+J)=(A(IA+I)-A(IC+I))+(B(IB+I)-B(ID+I)) D(JB+J)=(B(IA+I)-B(IC+I))+(A(IB+I)-A(ID+I)) D(JD+J)=(B(IA+I)-B(IC+I))-(A(IB+I)-A(ID+I)) I=I+INC3 J=J+INC4 95 CONTINUE IBASE=IBASE+INC1 JBASE=JBASE+INC2 100 CONTINUE IF (LA.EQ.M) RETURN LA1=LA+1 JBASE=JBASE+JUMP DO 120 K=LA1,M,LA KB=K+K-2 KC=KB+KB KD=KC+KB C1=TRIGS(KB+1) S1=TRIGS(KB+2) C2=TRIGS(KC+1) S2=TRIGS(KC+2) C3=TRIGS(KD+1) S3=TRIGS(KD+2) DO 110 L=1,LA I=IBASE J=JBASE CDIR$ IVDEP DO 105 IJK=1,LOT C(JA+J)=(A(IA+I)+A(IC+I))+(A(IB+I)+A(ID+I)) D(JA+J)=(B(IA+I)+B(IC+I))+(B(IB+I)+B(ID+I)) C(JC+J)= * C2*((A(IA+I)+A(IC+I))-(A(IB+I)+A(ID+I))) * -S2*((B(IA+I)+B(IC+I))-(B(IB+I)+B(ID+I))) D(JC+J)= * S2*((A(IA+I)+A(IC+I))-(A(IB+I)+A(ID+I))) * +C2*((B(IA+I)+B(IC+I))-(B(IB+I)+B(ID+I))) C(JB+J)= * C1*((A(IA+I)-A(IC+I))-(B(IB+I)-B(ID+I))) * -S1*((B(IA+I)-B(IC+I))+(A(IB+I)-A(ID+I))) D(JB+J)= * S1*((A(IA+I)-A(IC+I))-(B(IB+I)-B(ID+I))) * +C1*((B(IA+I)-B(IC+I))+(A(IB+I)-A(ID+I))) C(JD+J)= * C3*((A(IA+I)-A(IC+I))+(B(IB+I)-B(ID+I))) * -S3*((B(IA+I)-B(IC+I))-(A(IB+I)-A(ID+I))) D(JD+J)= * S3*((A(IA+I)-A(IC+I))+(B(IB+I)-B(ID+I))) * +C3*((B(IA+I)-B(IC+I))-(A(IB+I)-A(ID+I))) I=I+INC3 J=J+INC4 105 CONTINUE IBASE=IBASE+INC1 JBASE=JBASE+INC2 110 CONTINUE JBASE=JBASE+JUMP 120 CONTINUE RETURN C C CODING FOR FACTOR 5 C 130 IA=1 JA=1 IB=IA+IINK JB=JA+JINK IC=IB+IINK JC=JB+JINK ID=IC+IINK JD=JC+JINK IE=ID+IINK JE=JD+JINK DO 140 L=1,LA I=IBASE J=JBASE CDIR$ IVDEP DO 135 IJK=1,LOT C(JA+J)=A(IA+I)+(A(IB+I)+A(IE+I))+(A(IC+I)+A(ID+I)) D(JA+J)=B(IA+I)+(B(IB+I)+B(IE+I))+(B(IC+I)+B(ID+I)) C(JB+J)=(A(IA+I)+COS72*(A(IB+I)+A(IE+I))-COS36*(A(IC+I)+A(ID+I))) * -(SIN72*(B(IB+I)-B(IE+I))+SIN36*(B(IC+I)-B(ID+I))) C(JE+J)=(A(IA+I)+COS72*(A(IB+I)+A(IE+I))-COS36*(A(IC+I)+A(ID+I))) * +(SIN72*(B(IB+I)-B(IE+I))+SIN36*(B(IC+I)-B(ID+I))) D(JB+J)=(B(IA+I)+COS72*(B(IB+I)+B(IE+I))-COS36*(B(IC+I)+B(ID+I))) * +(SIN72*(A(IB+I)-A(IE+I))+SIN36*(A(IC+I)-A(ID+I))) D(JE+J)=(B(IA+I)+COS72*(B(IB+I)+B(IE+I))-COS36*(B(IC+I)+B(ID+I))) * -(SIN72*(A(IB+I)-A(IE+I))+SIN36*(A(IC+I)-A(ID+I))) C(JC+J)=(A(IA+I)-COS36*(A(IB+I)+A(IE+I))+COS72*(A(IC+I)+A(ID+I))) * -(SIN36*(B(IB+I)-B(IE+I))-SIN72*(B(IC+I)-B(ID+I))) C(JD+J)=(A(IA+I)-COS36*(A(IB+I)+A(IE+I))+COS72*(A(IC+I)+A(ID+I))) * +(SIN36*(B(IB+I)-B(IE+I))-SIN72*(B(IC+I)-B(ID+I))) D(JC+J)=(B(IA+I)-COS36*(B(IB+I)+B(IE+I))+COS72*(B(IC+I)+B(ID+I))) * +(SIN36*(A(IB+I)-A(IE+I))-SIN72*(A(IC+I)-A(ID+I))) D(JD+J)=(B(IA+I)-COS36*(B(IB+I)+B(IE+I))+COS72*(B(IC+I)+B(ID+I))) * -(SIN36*(A(IB+I)-A(IE+I))-SIN72*(A(IC+I)-A(ID+I))) I=I+INC3 J=J+INC4 135 CONTINUE IBASE=IBASE+INC1 JBASE=JBASE+INC2 140 CONTINUE IF (LA.EQ.M) RETURN LA1=LA+1 JBASE=JBASE+JUMP DO 160 K=LA1,M,LA KB=K+K-2 KC=KB+KB KD=KC+KB KE=KD+KB C1=TRIGS(KB+1) S1=TRIGS(KB+2) C2=TRIGS(KC+1) S2=TRIGS(KC+2) C3=TRIGS(KD+1) S3=TRIGS(KD+2) C4=TRIGS(KE+1) S4=TRIGS(KE+2) DO 150 L=1,LA I=IBASE J=JBASE CDIR$ IVDEP DO 145 IJK=1,LOT C(JA+J)=A(IA+I)+(A(IB+I)+A(IE+I))+(A(IC+I)+A(ID+I)) D(JA+J)=B(IA+I)+(B(IB+I)+B(IE+I))+(B(IC+I)+B(ID+I)) C(JB+J)= * C1*((A(IA+I)+COS72*(A(IB+I)+A(IE+I))-COS36*(A(IC+I)+A(ID+I))) * -(SIN72*(B(IB+I)-B(IE+I))+SIN36*(B(IC+I)-B(ID+I)))) * -S1*((B(IA+I)+COS72*(B(IB+I)+B(IE+I))-COS36*(B(IC+I)+B(ID+I))) * +(SIN72*(A(IB+I)-A(IE+I))+SIN36*(A(IC+I)-A(ID+I)))) D(JB+J)= * S1*((A(IA+I)+COS72*(A(IB+I)+A(IE+I))-COS36*(A(IC+I)+A(ID+I))) * -(SIN72*(B(IB+I)-B(IE+I))+SIN36*(B(IC+I)-B(ID+I)))) * +C1*((B(IA+I)+COS72*(B(IB+I)+B(IE+I))-COS36*(B(IC+I)+B(ID+I))) * +(SIN72*(A(IB+I)-A(IE+I))+SIN36*(A(IC+I)-A(ID+I)))) C(JE+J)= * C4*((A(IA+I)+COS72*(A(IB+I)+A(IE+I))-COS36*(A(IC+I)+A(ID+I))) * +(SIN72*(B(IB+I)-B(IE+I))+SIN36*(B(IC+I)-B(ID+I)))) * -S4*((B(IA+I)+COS72*(B(IB+I)+B(IE+I))-COS36*(B(IC+I)+B(ID+I))) * -(SIN72*(A(IB+I)-A(IE+I))+SIN36*(A(IC+I)-A(ID+I)))) D(JE+J)= * S4*((A(IA+I)+COS72*(A(IB+I)+A(IE+I))-COS36*(A(IC+I)+A(ID+I))) * +(SIN72*(B(IB+I)-B(IE+I))+SIN36*(B(IC+I)-B(ID+I)))) * +C4*((B(IA+I)+COS72*(B(IB+I)+B(IE+I))-COS36*(B(IC+I)+B(ID+I))) * -(SIN72*(A(IB+I)-A(IE+I))+SIN36*(A(IC+I)-A(ID+I)))) C(JC+J)= * C2*((A(IA+I)-COS36*(A(IB+I)+A(IE+I))+COS72*(A(IC+I)+A(ID+I))) * -(SIN36*(B(IB+I)-B(IE+I))-SIN72*(B(IC+I)-B(ID+I)))) * -S2*((B(IA+I)-COS36*(B(IB+I)+B(IE+I))+COS72*(B(IC+I)+B(ID+I))) * +(SIN36*(A(IB+I)-A(IE+I))-SIN72*(A(IC+I)-A(ID+I)))) D(JC+J)= * S2*((A(IA+I)-COS36*(A(IB+I)+A(IE+I))+COS72*(A(IC+I)+A(ID+I))) * -(SIN36*(B(IB+I)-B(IE+I))-SIN72*(B(IC+I)-B(ID+I)))) * +C2*((B(IA+I)-COS36*(B(IB+I)+B(IE+I))+COS72*(B(IC+I)+B(ID+I))) * +(SIN36*(A(IB+I)-A(IE+I))-SIN72*(A(IC+I)-A(ID+I)))) C(JD+J)= * C3*((A(IA+I)-COS36*(A(IB+I)+A(IE+I))+COS72*(A(IC+I)+A(ID+I))) * +(SIN36*(B(IB+I)-B(IE+I))-SIN72*(B(IC+I)-B(ID+I)))) * -S3*((B(IA+I)-COS36*(B(IB+I)+B(IE+I))+COS72*(B(IC+I)+B(ID+I))) * -(SIN36*(A(IB+I)-A(IE+I))-SIN72*(A(IC+I)-A(ID+I)))) D(JD+J)= * S3*((A(IA+I)-COS36*(A(IB+I)+A(IE+I))+COS72*(A(IC+I)+A(ID+I))) * +(SIN36*(B(IB+I)-B(IE+I))-SIN72*(B(IC+I)-B(ID+I)))) * +C3*((B(IA+I)-COS36*(B(IB+I)+B(IE+I))+COS72*(B(IC+I)+B(ID+I))) * -(SIN36*(A(IB+I)-A(IE+I))-SIN72*(A(IC+I)-A(ID+I)))) I=I+INC3 J=J+INC4 145 CONTINUE IBASE=IBASE+INC1 JBASE=JBASE+INC2 150 CONTINUE JBASE=JBASE+JUMP 160 CONTINUE RETURN END