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Commit | Line | Data |
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4e9e3152 | 1 | subroutine ABFKWPevolve(xin,qin,pdf) |
2 | include 'parmsetup.inc' | |
3 | PARAMETER(NX=50) | |
4 | PARAMETER(NQ=19) | |
5 | real*8 xin,qin,pdf(-6:6),xval(45),qcdl4,qcdl5 | |
6 | real*8 upv,dnv,usea,dsea,str,chm,bot,top,glu | |
7 | real*8 calcpi(8,20,25,3),calcpio(8,20,25),parpi(40,3) | |
8 | common /ABFKWP/ CALCPI,CALCPIO,PARPI,lastmem | |
9 | character*16 name(nmxset) | |
10 | integer nmem(nmxset),ndef(nmxset),mmem | |
11 | common/NAME/name,nmem,ndef,mmem | |
12 | integer nset | |
13 | save | |
14 | ||
15 | iimem = imem | |
16 | if(iimem.eq.0) iimem = 1 | |
17 | if(iimem.le.3) then | |
18 | call ABFKWxx(iimem,xin,qin,upv,dnv,usea,dsea, str,chm,glu) | |
19 | endif | |
20 | ||
21 | ||
22 | pdf(-6)= 0.0d0 | |
23 | pdf(6)= 0.0d0 | |
24 | pdf(-5)= 0.0d0 | |
25 | pdf(5 )= 0.0d0 | |
26 | pdf(-4)= chm | |
27 | pdf(4 )= chm | |
28 | pdf(-3)= str | |
29 | pdf(3 )= str | |
30 | pdf(-2)= usea | |
31 | pdf(2 )= upv+usea | |
32 | pdf(-1)= dsea | |
33 | pdf(1 )= dnv+dsea | |
34 | pdf(0 )= glu | |
35 | ||
36 | return | |
37 | ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc | |
38 | entry ABFKWPread(nset) | |
39 | read(1,*)nmem(nset),ndef(nset) | |
40 | c print *,nmem,ndef | |
41 | lastmem = -999 | |
42 | do j=1,3 | |
43 | read(1,*)(parpi(k,j),k=1,4) | |
44 | read(1,*)(parpi(k,j),k=5,8) | |
45 | read(1,*)(parpi(k,j),k=9,12) | |
46 | read(1,*)(parpi(k,j),k=13,16) | |
47 | read(1,*)(parpi(k,j),k=17,20) | |
48 | read(1,*)(parpi(k,j),k=21,24) | |
49 | read(1,*)(parpi(k,j),k=25,28) | |
50 | read(1,*)(parpi(k,j),k=29,32) | |
51 | read(1,*)(parpi(k,j),k=33,36) | |
52 | read(1,*)(parpi(k,j),k=37,40) | |
53 | do l=1,25 | |
54 | do k=1,20 | |
55 | read(1,*)(CALCPI(m,k,l,j),m=1,4) | |
56 | read(1,*)(CALCPI(m,k,l,j),m=5,8) | |
57 | enddo | |
58 | enddo | |
59 | enddo | |
60 | return | |
61 | c | |
62 | ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc | |
63 | entry ABFKWPalfa(alfas,qalfa) | |
64 | call getnset(iset) | |
65 | call GetOrderAsM(iset,iord) | |
66 | call Getlam4M(iset,imem,qcdl4) | |
67 | call Getlam5M(iset,imem,qcdl5) | |
68 | call aspdflib(alfas,Qalfa,iord,qcdl5) | |
69 | return | |
70 | c | |
71 | ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc | |
72 | entry ABFKWPinit(Eorder,Q2fit) | |
73 | return | |
74 | c | |
75 | ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc | |
76 | entry ABFKWPpdf(mem) | |
77 | imem = mem | |
78 | return | |
79 | c | |
80 | 1000 format(5e13.5) | |
81 | end | |
82 | ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc | |
83 | * | |
84 | * $Id: wrapabfkwpi.f 70 2006-02-15 15:45:29Z whalley $ | |
85 | * | |
86 | * $Log$ | |
87 | * Revision 1.2 2005/10/07 15:15:05 whalley | |
88 | * Changes to most files for V5 - multiset initializations | |
89 | * | |
90 | * Revision 1.1.1.1 2005/05/06 14:54:43 whalley | |
91 | * Initial CVS import of the LHAPDF code and data sets | |
92 | * | |
93 | * Revision 1.1.1.2 1996/10/30 08:27:26 cernlib | |
94 | * Version 7.04 | |
95 | * | |
96 | * Revision 1.1.1.1 1996/04/12 15:28:53 plothow | |
97 | * Version 7.01 | |
98 | * | |
99 | * | |
100 | SUBROUTINE ABFKWxx(imem,DX,DQ,DUPV,DDNV,DUSEA,DDSEA,DSTR,DCHM,DGL) | |
101 | double precision | |
102 | + PARPI(40,3),CALCPI(8,20,25,3),CALCPIO(8,20,25),ZEROD, | |
103 | + DX,DQ,DUPV,DDNV,DUSEA,DDSEA,DSTR,DCHM,DGL | |
104 | REAL X, Q, UPV, DNV, USEA, DSEA, STR, CHM, GL | |
105 | ||
106 | common /ABFKWP/CALCPI,CALCPIO,PARPI,lastmem | |
107 | ||
108 | c COMMON/W5051Ixx/CALCPIO | |
109 | REAL XPDF(7) | |
110 | DATA ZEROD/0.D0/ | |
111 | C---------------------------------------------------------------------- | |
112 | DATA ISTART/0/ | |
113 | SAVE ISTART,OWLAM2,Q02PI | |
114 | C | |
115 | if(imem.ne.lastmem) then | |
116 | istart = 0 | |
117 | lastmem = imem | |
118 | endif | |
119 | IF (ISTART.EQ.0) THEN | |
120 | ISTART=1 | |
121 | DO 11 K=1,25 | |
122 | DO 11 I=1,20 | |
123 | DO 11 M=1,8 | |
124 | 11 CALCPIO(M,I,K) = CALCPI(M,I,K,imem) | |
125 | OWLAM=PARPI(1,imem) | |
126 | OWLAM2=OWLAM**2 | |
127 | Q02PI=PARPI(39,imem) | |
128 | Q2MAX=PARPI(40,imem) | |
129 | ENDIF | |
130 | C | |
131 | C the conventions are : q(1)=x*u, q(2)=x*d, q(3)=x*str, q(4)=x*usea, | |
132 | C q(5)=x*dsea, q(6)=x*charm, q(7)=x*gluon | |
133 | C | |
134 | X = DX | |
135 | Q = DQ | |
136 | Q2 = Q*Q | |
137 | IDQ2=2 | |
138 | SB=0. | |
139 | IF(Q2-Q02PI) 1,1,2 | |
140 | 2 IF(IDQ2-1) 1,1,3 | |
141 | 3 SB= LOG( LOG( MAX(Q02PI,Q2)/OWLAM2)/ LOG(Q02PI/OWLAM2)) | |
142 | 1 CALL AURPIx(1,0,X,SB,XPDF(1)) | |
143 | CALL AURPIx(2,0,X,SB,XPDF(2)) | |
144 | CALL AURPIx(3,0,X,SB,XPDF(3)) | |
145 | CALL AURPIx(4,0,X,SB,XPDF(4)) | |
146 | CALL AURPIx(5,0,X,SB,XPDF(5)) | |
147 | CALL AURPIx(8,0,X,SB,XPDF(6)) | |
148 | CALL AURPIx(7,0,X,SB,XPDF(7)) | |
149 | C | |
150 | DUPV=XPDF(1) - XPDF(4) | |
151 | DDNV=XPDF(2) - XPDF(5) | |
152 | DUSEA=XPDF(4) | |
153 | DDSEA=XPDF(5) | |
154 | DSTR=XPDF(3) | |
155 | DCHM=XPDF(6) | |
156 | DGL =XPDF(7) | |
157 | C | |
158 | RETURN | |
159 | END | |
160 | c============================================================== | |
161 | * | |
162 | * $Id: wrapabfkwpi.f 70 2006-02-15 15:45:29Z whalley $ | |
163 | * | |
164 | * $Log$ | |
165 | * Revision 1.2 2005/10/07 15:15:05 whalley | |
166 | * Changes to most files for V5 - multiset initializations | |
167 | * | |
168 | * Revision 1.1.1.1 2005/05/06 14:54:43 whalley | |
169 | * Initial CVS import of the LHAPDF code and data sets | |
170 | * | |
171 | * Revision 1.1.1.2 1996/10/30 08:27:36 cernlib | |
172 | * Version 7.04 | |
173 | * | |
174 | * Revision 1.1.1.1 1996/04/12 15:29:03 plothow | |
175 | * Version 7.01 | |
176 | * | |
177 | * | |
178 | C | |
179 | SUBROUTINE AURPIx(I,NDRV,X,S,ANS) | |
180 | double precision | |
181 | + CALCPI(8,20,25,3),CALCPIO(8,20,25),parpi(40,3) | |
182 | common /ABFKWP/CALCPI,CALCPIO,parpi,lastmem | |
183 | c COMMON/W5051I4/CALCPIO | |
184 | REAL F1(25),F2(25) | |
185 | DATA DELTA/.10/ | |
186 | ANS=0. | |
187 | IF(X.GT.0.9985) RETURN | |
188 | IF(I.EQ.3.AND.X.GT.0.95) RETURN | |
189 | IF(I.EQ.8.AND.X.GT.0.95) RETURN | |
190 | IS=S/DELTA+1 | |
191 | IS1=IS+1 | |
192 | DO 1 L=1,25 | |
193 | KL=L+NDRV*25 | |
194 | F1(L)=CALCPIO(I,IS,KL) | |
195 | F2(L)=CALCPIO(I,IS1,KL) | |
196 | 1 CONTINUE | |
197 | A1=AUGETFV(X,F1) | |
198 | A2=AUGETFV(X,F2) | |
199 | S1=(IS-1)*DELTA | |
200 | S2=S1+DELTA | |
201 | ANS=A1*(S-S2)/(S1-S2)+A2*(S-S1)/(S2-S1) | |
202 | RETURN | |
203 | END | |
204 | c=============================================================== | |
205 | * | |
206 | * $Id: wrapabfkwpi.f 70 2006-02-15 15:45:29Z whalley $ | |
207 | * | |
208 | * $Log$ | |
209 | * Revision 1.2 2005/10/07 15:15:05 whalley | |
210 | * Changes to most files for V5 - multiset initializations | |
211 | * | |
212 | * Revision 1.1.1.1 2005/05/06 14:54:43 whalley | |
213 | * Initial CVS import of the LHAPDF code and data sets | |
214 | * | |
215 | * Revision 1.1.1.2 1996/10/30 08:27:34 cernlib | |
216 | * Version 7.04 | |
217 | * | |
218 | * Revision 1.1.1.1 1996/04/12 15:29:02 plothow | |
219 | * Version 7.01 | |
220 | * | |
221 | * | |
222 | C | |
223 | FUNCTION AUGETFV(X,FVL) | |
224 | C LOGARITHMIC INTERPOLATOR - WATCH OUT FOR NEGATIVE | |
225 | C FUNCTIONS AND/OR X VALUES OUTSIDE THE RANGE 0 TO 1. | |
226 | C NOTE: DIMENSION OF FVL IS OVERWRITTEN BY VALUE USED | |
227 | C IN MAIN ROUTINE. | |
228 | DIMENSION FVL(25),XGRID(25) | |
229 | DATA NX,XGRID/25,.001,.002,.004,.008,.016,.032,.064,.1,.15, | |
230 | *.2,.25,.3,.35,.4,.45,.5,.55,.6,.65,.7,.75,.8,.85,.9,.95/ | |
231 | AUGETFV=0. | |
232 | DO 1 I=1,NX | |
233 | IF(X.LT.XGRID(I)) GO TO 2 | |
234 | 1 CONTINUE | |
235 | 2 I=I-1 | |
236 | IF(I.EQ.0) THEN | |
237 | I=I+1 | |
238 | ELSE IF(I.GT.23) THEN | |
239 | I=23 | |
240 | ENDIF | |
241 | J=I+1 | |
242 | K=J+1 | |
243 | AXI= LOG(XGRID(I)) | |
244 | BXI= LOG(1.-XGRID(I)) | |
245 | AXJ= LOG(XGRID(J)) | |
246 | BXJ= LOG(1.-XGRID(J)) | |
247 | AXK= LOG(XGRID(K)) | |
248 | BXK= LOG(1.-XGRID(K)) | |
249 | FI= LOG(ABS(FVL(I)) +1.E-15) | |
250 | FJ= LOG(ABS(FVL(J)) +1.E-16) | |
251 | FK= LOG(ABS(FVL(K)) +1.E-17) | |
252 | DET=AXI*(BXJ-BXK)+AXJ*(BXK-BXI)+AXK*(BXI-BXJ) | |
253 | ALOGA=(FI*(AXJ*BXK-AXK*BXJ)+FJ*(AXK*BXI-AXI*BXK)+FK*(AXI*BXJ-AXJ* | |
254 | $ BXI))/DET | |
255 | ALPHA=(FI*(BXJ-BXK)+FJ*(BXK-BXI)+FK*(BXI-BXJ))/DET | |
256 | BETA=(FI*(AXK-AXJ)+FJ*(AXI-AXK)+FK*(AXJ-AXI))/DET | |
257 | IF(ABS(ALPHA).GT.99..OR.ABS(BETA).GT.99..OR.ABS(ALOGA).GT.99.) | |
258 | 1RETURN | |
259 | C IF(ALPHA.GT.50..OR.BETA.GT.50.) THEN | |
260 | C WRITE(6,2001) X,FVL | |
261 | C 2001 FORMAT(8E12.4) | |
262 | C WRITE(6,2001) ALPHA,BETA,ALOGA,DET | |
263 | C ENDIF | |
264 | AUGETFV=EXP(ALOGA)*X**ALPHA*(1.-X)**BETA | |
265 | RETURN | |
266 | END | |
267 | c============================================================ |