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Commit | Line | Data |
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3820ca8e | 1 | |
2 | CDECK ID>, HWSGEN. | |
3 | ||
4 | *CMZ :- -26/04/91 14.55.45 by Federico Carminati | |
5 | ||
6 | *-- Author : Bryan Webber | |
7 | ||
8 | C----------------------------------------------------------------------- | |
9 | ||
10 | SUBROUTINE HWSGEN(GENEX) | |
11 | ||
12 | C----------------------------------------------------------------------- | |
13 | ||
14 | C GENERATES X VALUES (IF GENEX) | |
15 | ||
16 | C EVALUATES STRUCTURE FUNCTIONS AND ENFORCES CUTOFFS ON X | |
17 | ||
18 | C----------------------------------------------------------------------- | |
19 | ||
20 | INCLUDE 'HERWIG61.INC' | |
21 | ||
22 | DOUBLE PRECISION HWBVMC,HWRUNI,X,QL | |
23 | ||
24 | INTEGER I,J | |
25 | ||
26 | LOGICAL GENEX | |
27 | ||
28 | EXTERNAL HWBVMC,HWRUNI | |
29 | ||
30 | IF (GENEX) THEN | |
31 | ||
32 | XX(1)=EXP(HWRUNI(0,ZERO,XLMIN)) | |
33 | ||
34 | XX(2)=XXMIN/XX(1) | |
35 | ||
36 | ENDIF | |
37 | ||
38 | DO 10 I=1,2 | |
39 | ||
40 | J=I | |
41 | ||
42 | IF (JDAHEP(1,I).NE.0) J=JDAHEP(1,I) | |
43 | ||
44 | X=XX(I) | |
45 | ||
46 | QL=(1.-X)*EMSCA | |
47 | ||
48 | CALL HWSFUN(X,EMSCA,IDHW(J),NSTRU,DISF(1,I),I) | |
49 | ||
50 | DO 10 J=1,13 | |
51 | ||
52 | IF (QL.LT.HWBVMC(J)) DISF(J,I)=0. | |
53 | ||
54 | 10 CONTINUE | |
55 | ||
56 | END |