subroutine MRSTqedevolve(x,Q,pdf,photon) implicit real*8(a-h,o-z) include 'parmsetup.inc' character*16 name(nmxset) integer nmem(nmxset),ndef(nmxset),mmem c integer member(nmxset) integer nset,iset common/NAME/name,nmem,ndef,mmem parameter(nx=49,nq=37,np=9,nqc0=2,nqb0=11,nqc=35,nqb=26, .nhess=30) real*8 pdf(-6:6),photon,phot real*8 f1(nx,nq) .,f2(nx,nq) .,f3(nx,nq) .,f4(nx,nq) .,f5(nx,nq) .,f6(nx,nq) .,f7(nx,nq) .,f8(nx,nq) .,f9(nx,nq) .,fc(nx,nqc),fb(nx,nqb) real*8 qq(nq),xx(nx), .cc1(0:nhess,nx,nq,4,4),cc2(0:nhess,nx,nq,4,4), .cc3(0:nhess,nx,nq,4,4),cc4(0:nhess,nx,nq,4,4), .cc6(0:nhess,nx,nq,4,4),cc8(0:nhess,nx,nq,4,4), .cc9(0:nhess,nx,nq,4,4), .ccc(0:nhess,nx,nqc,4,4),ccb(0:nhess,nx,nqb,4,4) real*8 xxl(nx),qql(nq),qqlc(nqc),qqlb(nqb) data xx/1d-5,2d-5,4d-5,6d-5,8d-5, . 1d-4,2d-4,4d-4,6d-4,8d-4, . 1d-3,2d-3,4d-3,6d-3,8d-3, . 1d-2,1.4d-2,2d-2,3d-2,4d-2,6d-2,8d-2, . .1d0,.125d0,.15d0,.175d0,.2d0,.225d0,.25d0,.275d0, . .3d0,.325d0,.35d0,.375d0,.4d0,.425d0,.45d0,.475d0, . .5d0,.525d0,.55d0,.575d0,.6d0,.65d0,.7d0,.75d0, . .8d0,.9d0,1d0/ data qq/1.25d0,1.5d0,2d0,2.5d0,3.2d0,4d0,5d0,6.4d0,8d0,1d1, . 1.2d1,1.8d1,2.6d1,4d1,6.4d1,1d2, . 1.6d2,2.4d2,4d2,6.4d2,1d3,1.8d3,3.2d3,5.6d3,1d4, . 1.8d4,3.2d4,5.6d4,1d5,1.8d5,3.2d5,5.6d5,1d6, . 1.8d6,3.2d6,5.6d6,1d7/ data xmin,xmax,qsqmin,qsqmax/1d-5,1d0,1.25d0,1d7/ save xsave=x qsq = q*q q2save=qsq xlog=dlog(x) qsqlog=dlog(qsq) call getnset(iset) c imem=member(iset) call getnmem(iset,imem) call jeppe2(imem,xlog,qsqlog,nx,nq,xxl,qql,cc1,upv) call jeppe2(imem,xlog,qsqlog,nx,nq,xxl,qql,cc2,dnv) call jeppe2(imem,xlog,qsqlog,nx,nq,xxl,qql,cc3,glu) call jeppe2(imem,xlog,qsqlog,nx,nq,xxl,qql,cc4,usea) call jeppe2(imem,xlog,qsqlog,nx,nq,xxl,qql,cc6,str) call jeppe2(imem,xlog,qsqlog,nx,nq,xxl,qql,cc8,dsea) call jeppe2(imem,xlog,qsqlog,nx,nq,xxl,qql,cc9,photon) chm=0.d0 if(qsq.gt.emc2) then call jeppe2(imem,xlog,qsqlog,nx,nqc,xxl,qqlc,ccc,chm) endif bot=0.d0 if(qsq.gt.emb2) then call jeppe2(imem,xlog,qsqlog,nx,nqb,xxl,qqlb,ccb,bot) endif pdf(0) = glu pdf(1) = dnv+dsea pdf(-1) = dsea pdf(2) = upv+usea pdf(-2) = usea pdf(3) = str pdf(-3) = str pdf(4) = chm pdf(-4) = chm pdf(5) = bot pdf(-5) = bot pdf(6) = 0.0d0 pdf(-6) = 0.0d0 x=xsave qsq=q2save return * entry MRSTqedread(nset) read(1,*)nmem(nset),ndef(nset) c print *,nmem(nset),ndef(nset) c do nm = 0,nmem-1 do nm = 0,nmem(nset) do 20 n=1,nx-1 do 20 m=1,nq read(1,50)f1(n,m),f2(n,m),f3(n,m),f4(n,m), . f5(n,m),f7(n,m),f6(n,m),f8(n,m),f9(n,m) c notation: 1=uval 2=val 3=glue 4=usea 5=chm 6=str 7=btm 8=dsea +9 - photon 20 continue c write(*,*)'PDF set ',nm,' first element ',f1(1,1) do 40 m=1,nq f1(nx,m)=0.d0 f2(nx,m)=0.d0 f3(nx,m)=0.d0 f4(nx,m)=0.d0 f5(nx,m)=0.d0 f6(nx,m)=0.d0 f7(nx,m)=0.d0 f8(nx,m)=0.d0 f9(nx,m)=0.d0 40 continue do n=1,nx xxl(n)=dlog(xx(n)) enddo do m=1,nq qql(m)=dlog(qq(m)) enddo call jeppe1(nm,nx,nq,xxl,qql,f1,cc1) call jeppe1(nm,nx,nq,xxl,qql,f2,cc2) call jeppe1(nm,nx,nq,xxl,qql,f3,cc3) call jeppe1(nm,nx,nq,xxl,qql,f4,cc4) call jeppe1(nm,nx,nq,xxl,qql,f6,cc6) call jeppe1(nm,nx,nq,xxl,qql,f8,cc8) call jeppe1(nm,nx,nq,xxl,qql,f9,cc9) emc2=2.045 emb2=18.5 do 44 m=1,nqc qqlc(m)=qql(m+nqc0) do 44 n=1,nx fc(n,m)=f5(n,m+nqc0) 44 continue qqlc(1)=dlog(emc2) call jeppe1(nm,nx,nqc,xxl,qqlc,fc,ccc) do 45 m=1,nqb qqlb(m)=qql(m+nqb0) do 45 n=1,nx fb(n,m)=f7(n,m+nqb0) 45 continue qqlb(1)=dlog(emb2) call jeppe1(nm,nx,nqb,xxl,qqlb,fb,ccb) enddo 50 format(9f10.5) return * end