| 4e9e3152 |
1 | subroutine MRSTqedevolve(x,Q,pdf,photon) |
| 2 | implicit real*8(a-h,o-z) |
| 3 | include 'parmsetup.inc' |
| 4 | character*16 name(nmxset) |
| 5 | integer nmem(nmxset),ndef(nmxset),mmem |
| 6 | c integer member(nmxset) |
| 7 | integer nset,iset |
| 8 | common/NAME/name,nmem,ndef,mmem |
| 9 | parameter(nx=49,nq=37,np=9,nqc0=2,nqb0=11,nqc=35,nqb=26, |
| 10 | .nhess=30) |
| 11 | real*8 pdf(-6:6),photon,phot |
| 12 | real*8 f1(nx,nq) |
| 13 | .,f2(nx,nq) |
| 14 | .,f3(nx,nq) |
| 15 | .,f4(nx,nq) |
| 16 | .,f5(nx,nq) |
| 17 | .,f6(nx,nq) |
| 18 | .,f7(nx,nq) |
| 19 | .,f8(nx,nq) |
| 20 | .,f9(nx,nq) |
| 21 | .,fc(nx,nqc),fb(nx,nqb) |
| 22 | real*8 qq(nq),xx(nx), |
| 23 | .cc1(0:nhess,nx,nq,4,4),cc2(0:nhess,nx,nq,4,4), |
| 24 | .cc3(0:nhess,nx,nq,4,4),cc4(0:nhess,nx,nq,4,4), |
| 25 | .cc6(0:nhess,nx,nq,4,4),cc8(0:nhess,nx,nq,4,4), |
| 26 | .cc9(0:nhess,nx,nq,4,4), |
| 27 | .ccc(0:nhess,nx,nqc,4,4),ccb(0:nhess,nx,nqb,4,4) |
| 28 | real*8 xxl(nx),qql(nq),qqlc(nqc),qqlb(nqb) |
| 29 | data xx/1d-5,2d-5,4d-5,6d-5,8d-5, |
| 30 | . 1d-4,2d-4,4d-4,6d-4,8d-4, |
| 31 | . 1d-3,2d-3,4d-3,6d-3,8d-3, |
| 32 | . 1d-2,1.4d-2,2d-2,3d-2,4d-2,6d-2,8d-2, |
| 33 | . .1d0,.125d0,.15d0,.175d0,.2d0,.225d0,.25d0,.275d0, |
| 34 | . .3d0,.325d0,.35d0,.375d0,.4d0,.425d0,.45d0,.475d0, |
| 35 | . .5d0,.525d0,.55d0,.575d0,.6d0,.65d0,.7d0,.75d0, |
| 36 | . .8d0,.9d0,1d0/ |
| 37 | data qq/1.25d0,1.5d0,2d0,2.5d0,3.2d0,4d0,5d0,6.4d0,8d0,1d1, |
| 38 | . 1.2d1,1.8d1,2.6d1,4d1,6.4d1,1d2, |
| 39 | . 1.6d2,2.4d2,4d2,6.4d2,1d3,1.8d3,3.2d3,5.6d3,1d4, |
| 40 | . 1.8d4,3.2d4,5.6d4,1d5,1.8d5,3.2d5,5.6d5,1d6, |
| 41 | . 1.8d6,3.2d6,5.6d6,1d7/ |
| 42 | data xmin,xmax,qsqmin,qsqmax/1d-5,1d0,1.25d0,1d7/ |
| 43 | save |
| 44 | |
| 45 | xsave=x |
| 46 | qsq = q*q |
| 47 | q2save=qsq |
| 48 | |
| 49 | xlog=dlog(x) |
| 50 | qsqlog=dlog(qsq) |
| 51 | |
| 52 | call getnset(iset) |
| 53 | c imem=member(iset) |
| 54 | call getnmem(iset,imem) |
| 55 | call jeppe2(imem,xlog,qsqlog,nx,nq,xxl,qql,cc1,upv) |
| 56 | call jeppe2(imem,xlog,qsqlog,nx,nq,xxl,qql,cc2,dnv) |
| 57 | call jeppe2(imem,xlog,qsqlog,nx,nq,xxl,qql,cc3,glu) |
| 58 | call jeppe2(imem,xlog,qsqlog,nx,nq,xxl,qql,cc4,usea) |
| 59 | call jeppe2(imem,xlog,qsqlog,nx,nq,xxl,qql,cc6,str) |
| 60 | call jeppe2(imem,xlog,qsqlog,nx,nq,xxl,qql,cc8,dsea) |
| 61 | call jeppe2(imem,xlog,qsqlog,nx,nq,xxl,qql,cc9,photon) |
| 62 | |
| 63 | chm=0.d0 |
| 64 | if(qsq.gt.emc2) then |
| 65 | call jeppe2(imem,xlog,qsqlog,nx,nqc,xxl,qqlc,ccc,chm) |
| 66 | endif |
| 67 | |
| 68 | bot=0.d0 |
| 69 | if(qsq.gt.emb2) then |
| 70 | call jeppe2(imem,xlog,qsqlog,nx,nqb,xxl,qqlb,ccb,bot) |
| 71 | endif |
| 72 | |
| 73 | pdf(0) = glu |
| 74 | pdf(1) = dnv+dsea |
| 75 | pdf(-1) = dsea |
| 76 | pdf(2) = upv+usea |
| 77 | pdf(-2) = usea |
| 78 | pdf(3) = str |
| 79 | pdf(-3) = str |
| 80 | pdf(4) = chm |
| 81 | pdf(-4) = chm |
| 82 | pdf(5) = bot |
| 83 | pdf(-5) = bot |
| 84 | pdf(6) = 0.0d0 |
| 85 | pdf(-6) = 0.0d0 |
| 86 | |
| 87 | x=xsave |
| 88 | qsq=q2save |
| 89 | return |
| 90 | * |
| 91 | entry MRSTqedread(nset) |
| 92 | read(1,*)nmem(nset),ndef(nset) |
| 93 | c print *,nmem(nset),ndef(nset) |
| 94 | c do nm = 0,nmem-1 |
| 95 | do nm = 0,nmem(nset) |
| 96 | do 20 n=1,nx-1 |
| 97 | do 20 m=1,nq |
| 98 | read(1,50)f1(n,m),f2(n,m),f3(n,m),f4(n,m), |
| 99 | . f5(n,m),f7(n,m),f6(n,m),f8(n,m),f9(n,m) |
| 100 | c notation: 1=uval 2=val 3=glue 4=usea 5=chm 6=str 7=btm 8=dsea +9 - photon |
| 101 | 20 continue |
| 102 | c write(*,*)'PDF set ',nm,' first element ',f1(1,1) |
| 103 | do 40 m=1,nq |
| 104 | f1(nx,m)=0.d0 |
| 105 | f2(nx,m)=0.d0 |
| 106 | f3(nx,m)=0.d0 |
| 107 | f4(nx,m)=0.d0 |
| 108 | f5(nx,m)=0.d0 |
| 109 | f6(nx,m)=0.d0 |
| 110 | f7(nx,m)=0.d0 |
| 111 | f8(nx,m)=0.d0 |
| 112 | f9(nx,m)=0.d0 |
| 113 | 40 continue |
| 114 | |
| 115 | do n=1,nx |
| 116 | xxl(n)=dlog(xx(n)) |
| 117 | enddo |
| 118 | do m=1,nq |
| 119 | qql(m)=dlog(qq(m)) |
| 120 | enddo |
| 121 | |
| 122 | call jeppe1(nm,nx,nq,xxl,qql,f1,cc1) |
| 123 | call jeppe1(nm,nx,nq,xxl,qql,f2,cc2) |
| 124 | call jeppe1(nm,nx,nq,xxl,qql,f3,cc3) |
| 125 | call jeppe1(nm,nx,nq,xxl,qql,f4,cc4) |
| 126 | call jeppe1(nm,nx,nq,xxl,qql,f6,cc6) |
| 127 | call jeppe1(nm,nx,nq,xxl,qql,f8,cc8) |
| 128 | call jeppe1(nm,nx,nq,xxl,qql,f9,cc9) |
| 129 | |
| 130 | emc2=2.045 |
| 131 | emb2=18.5 |
| 132 | |
| 133 | do 44 m=1,nqc |
| 134 | qqlc(m)=qql(m+nqc0) |
| 135 | do 44 n=1,nx |
| 136 | fc(n,m)=f5(n,m+nqc0) |
| 137 | 44 continue |
| 138 | qqlc(1)=dlog(emc2) |
| 139 | call jeppe1(nm,nx,nqc,xxl,qqlc,fc,ccc) |
| 140 | |
| 141 | do 45 m=1,nqb |
| 142 | qqlb(m)=qql(m+nqb0) |
| 143 | do 45 n=1,nx |
| 144 | fb(n,m)=f7(n,m+nqb0) |
| 145 | 45 continue |
| 146 | qqlb(1)=dlog(emb2) |
| 147 | call jeppe1(nm,nx,nqb,xxl,qqlb,fb,ccb) |
| 148 | |
| 149 | |
| 150 | enddo |
| 151 | 50 format(9f10.5) |
| 152 | return |
| 153 | * |
| 154 | end |
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