subroutine ABFKWPevolve(xin,qin,pdf) include 'parmsetup.inc' PARAMETER(NX=50) PARAMETER(NQ=19) real*8 xin,qin,pdf(-6:6),xval(45),qcdl4,qcdl5 real*8 upv,dnv,usea,dsea,str,chm,bot,top,glu real*8 calcpi(8,20,25,3),calcpio(8,20,25),parpi(40,3) common /ABFKWP/ CALCPI,CALCPIO,PARPI,lastmem character*16 name(nmxset) integer nmem(nmxset),ndef(nmxset),mmem common/NAME/name,nmem,ndef,mmem integer nset save iimem = imem if(iimem.eq.0) iimem = 1 if(iimem.le.3) then call ABFKWxx(iimem,xin,qin,upv,dnv,usea,dsea, str,chm,glu) endif pdf(-6)= 0.0d0 pdf(6)= 0.0d0 pdf(-5)= 0.0d0 pdf(5 )= 0.0d0 pdf(-4)= chm pdf(4 )= chm pdf(-3)= str pdf(3 )= str pdf(-2)= usea pdf(2 )= upv+usea pdf(-1)= dsea pdf(1 )= dnv+dsea pdf(0 )= glu return ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc entry ABFKWPread(nset) read(1,*)nmem(nset),ndef(nset) c print *,nmem,ndef lastmem = -999 do j=1,3 read(1,*)(parpi(k,j),k=1,4) read(1,*)(parpi(k,j),k=5,8) read(1,*)(parpi(k,j),k=9,12) read(1,*)(parpi(k,j),k=13,16) read(1,*)(parpi(k,j),k=17,20) read(1,*)(parpi(k,j),k=21,24) read(1,*)(parpi(k,j),k=25,28) read(1,*)(parpi(k,j),k=29,32) read(1,*)(parpi(k,j),k=33,36) read(1,*)(parpi(k,j),k=37,40) do l=1,25 do k=1,20 read(1,*)(CALCPI(m,k,l,j),m=1,4) read(1,*)(CALCPI(m,k,l,j),m=5,8) enddo enddo enddo return c ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc entry ABFKWPalfa(alfas,qalfa) call getnset(iset) call GetOrderAsM(iset,iord) call Getlam4M(iset,imem,qcdl4) call Getlam5M(iset,imem,qcdl5) call aspdflib(alfas,Qalfa,iord,qcdl5) return c ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc entry ABFKWPinit(Eorder,Q2fit) return c ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc entry ABFKWPpdf(mem) imem = mem return c 1000 format(5e13.5) end ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc * * $Id$ * * $Log$ * Revision 1.2 2005/10/07 15:15:05 whalley * Changes to most files for V5 - multiset initializations * * Revision 1.1.1.1 2005/05/06 14:54:43 whalley * Initial CVS import of the LHAPDF code and data sets * * Revision 1.1.1.2 1996/10/30 08:27:26 cernlib * Version 7.04 * * Revision 1.1.1.1 1996/04/12 15:28:53 plothow * Version 7.01 * * SUBROUTINE ABFKWxx(imem,DX,DQ,DUPV,DDNV,DUSEA,DDSEA,DSTR,DCHM,DGL) double precision + PARPI(40,3),CALCPI(8,20,25,3),CALCPIO(8,20,25),ZEROD, + DX,DQ,DUPV,DDNV,DUSEA,DDSEA,DSTR,DCHM,DGL REAL X, Q, UPV, DNV, USEA, DSEA, STR, CHM, GL common /ABFKWP/CALCPI,CALCPIO,PARPI,lastmem c COMMON/W5051Ixx/CALCPIO REAL XPDF(7) DATA ZEROD/0.D0/ C---------------------------------------------------------------------- DATA ISTART/0/ SAVE ISTART,OWLAM2,Q02PI C if(imem.ne.lastmem) then istart = 0 lastmem = imem endif IF (ISTART.EQ.0) THEN ISTART=1 DO 11 K=1,25 DO 11 I=1,20 DO 11 M=1,8 11 CALCPIO(M,I,K) = CALCPI(M,I,K,imem) OWLAM=PARPI(1,imem) OWLAM2=OWLAM**2 Q02PI=PARPI(39,imem) Q2MAX=PARPI(40,imem) ENDIF C C the conventions are : q(1)=x*u, q(2)=x*d, q(3)=x*str, q(4)=x*usea, C q(5)=x*dsea, q(6)=x*charm, q(7)=x*gluon C X = DX Q = DQ Q2 = Q*Q IDQ2=2 SB=0. IF(Q2-Q02PI) 1,1,2 2 IF(IDQ2-1) 1,1,3 3 SB= LOG( LOG( MAX(Q02PI,Q2)/OWLAM2)/ LOG(Q02PI/OWLAM2)) 1 CALL AURPIx(1,0,X,SB,XPDF(1)) CALL AURPIx(2,0,X,SB,XPDF(2)) CALL AURPIx(3,0,X,SB,XPDF(3)) CALL AURPIx(4,0,X,SB,XPDF(4)) CALL AURPIx(5,0,X,SB,XPDF(5)) CALL AURPIx(8,0,X,SB,XPDF(6)) CALL AURPIx(7,0,X,SB,XPDF(7)) C DUPV=XPDF(1) - XPDF(4) DDNV=XPDF(2) - XPDF(5) DUSEA=XPDF(4) DDSEA=XPDF(5) DSTR=XPDF(3) DCHM=XPDF(6) DGL =XPDF(7) C RETURN END c============================================================== * * $Id$ * * $Log$ * Revision 1.2 2005/10/07 15:15:05 whalley * Changes to most files for V5 - multiset initializations * * Revision 1.1.1.1 2005/05/06 14:54:43 whalley * Initial CVS import of the LHAPDF code and data sets * * Revision 1.1.1.2 1996/10/30 08:27:36 cernlib * Version 7.04 * * Revision 1.1.1.1 1996/04/12 15:29:03 plothow * Version 7.01 * * C SUBROUTINE AURPIx(I,NDRV,X,S,ANS) double precision + CALCPI(8,20,25,3),CALCPIO(8,20,25),parpi(40,3) common /ABFKWP/CALCPI,CALCPIO,parpi,lastmem c COMMON/W5051I4/CALCPIO REAL F1(25),F2(25) DATA DELTA/.10/ ANS=0. IF(X.GT.0.9985) RETURN IF(I.EQ.3.AND.X.GT.0.95) RETURN IF(I.EQ.8.AND.X.GT.0.95) RETURN IS=S/DELTA+1 IS1=IS+1 DO 1 L=1,25 KL=L+NDRV*25 F1(L)=CALCPIO(I,IS,KL) F2(L)=CALCPIO(I,IS1,KL) 1 CONTINUE A1=AUGETFV(X,F1) A2=AUGETFV(X,F2) S1=(IS-1)*DELTA S2=S1+DELTA ANS=A1*(S-S2)/(S1-S2)+A2*(S-S1)/(S2-S1) RETURN END c=============================================================== * * $Id$ * * $Log$ * Revision 1.2 2005/10/07 15:15:05 whalley * Changes to most files for V5 - multiset initializations * * Revision 1.1.1.1 2005/05/06 14:54:43 whalley * Initial CVS import of the LHAPDF code and data sets * * Revision 1.1.1.2 1996/10/30 08:27:34 cernlib * Version 7.04 * * Revision 1.1.1.1 1996/04/12 15:29:02 plothow * Version 7.01 * * C FUNCTION AUGETFV(X,FVL) C LOGARITHMIC INTERPOLATOR - WATCH OUT FOR NEGATIVE C FUNCTIONS AND/OR X VALUES OUTSIDE THE RANGE 0 TO 1. C NOTE: DIMENSION OF FVL IS OVERWRITTEN BY VALUE USED C IN MAIN ROUTINE. DIMENSION FVL(25),XGRID(25) DATA NX,XGRID/25,.001,.002,.004,.008,.016,.032,.064,.1,.15, *.2,.25,.3,.35,.4,.45,.5,.55,.6,.65,.7,.75,.8,.85,.9,.95/ AUGETFV=0. DO 1 I=1,NX IF(X.LT.XGRID(I)) GO TO 2 1 CONTINUE 2 I=I-1 IF(I.EQ.0) THEN I=I+1 ELSE IF(I.GT.23) THEN I=23 ENDIF J=I+1 K=J+1 AXI= LOG(XGRID(I)) BXI= LOG(1.-XGRID(I)) AXJ= LOG(XGRID(J)) BXJ= LOG(1.-XGRID(J)) AXK= LOG(XGRID(K)) BXK= LOG(1.-XGRID(K)) FI= LOG(ABS(FVL(I)) +1.E-15) FJ= LOG(ABS(FVL(J)) +1.E-16) FK= LOG(ABS(FVL(K)) +1.E-17) DET=AXI*(BXJ-BXK)+AXJ*(BXK-BXI)+AXK*(BXI-BXJ) ALOGA=(FI*(AXJ*BXK-AXK*BXJ)+FJ*(AXK*BXI-AXI*BXK)+FK*(AXI*BXJ-AXJ* $ BXI))/DET ALPHA=(FI*(BXJ-BXK)+FJ*(BXK-BXI)+FK*(BXI-BXJ))/DET BETA=(FI*(AXK-AXJ)+FJ*(AXI-AXK)+FK*(AXJ-AXI))/DET IF(ABS(ALPHA).GT.99..OR.ABS(BETA).GT.99..OR.ABS(ALOGA).GT.99.) 1RETURN C IF(ALPHA.GT.50..OR.BETA.GT.50.) THEN C WRITE(6,2001) X,FVL C 2001 FORMAT(8E12.4) C WRITE(6,2001) ALPHA,BETA,ALOGA,DET C ENDIF AUGETFV=EXP(ALOGA)*X**ALPHA*(1.-X)**BETA RETURN END c============================================================