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Commit | Line | Data |
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9ef1c2d9 | 1 | c 10.04.2003 Main program and random number generator of epos |
2 | c (Do not compile it for CONEX or Corsika) | |
3 | ||
4 | c----------------------------------------------------------------------- | |
5 | program aamain | |
6 | c----------------------------------------------------------------------- | |
7 | ||
8 | include 'epos.inc' | |
9 | ||
10 | save nopeno | |
11 | call aaset(0) | |
12 | call atitle | |
13 | call xiniall | |
14 | ||
15 | 9999 continue | |
16 | call aread | |
17 | if(nopen.eq.-1) then !after second round aread | |
18 | nopen=nopeno | |
19 | iecho=1 | |
20 | call xiniall | |
21 | goto 9999 | |
22 | endif | |
23 | call utpri('aamain',ish,ishini,4) | |
24 | if(model.ne.1)call IniModel(model) | |
25 | ||
26 | if(iappl.ne.0)then | |
27 | do nrebin= 1,noebin | |
28 | call ainit | |
29 | ! if (nrebin.eq.1) call xini | |
30 | if(nevent.gt.0)then | |
31 | call aseed(2) | |
32 | write(ifmt,'(a,i10,a,f10.2,a)')'generate',nevent | |
33 | & ,' events for engy =',engy,' ...' | |
34 | if(icotabr.eq.1)nevent=1 | |
35 | if(icotabr.eq.1)nrevt=1 | |
36 | if(nfull.gt.0)nevent=nfreeze*nfull | |
37 | if(mod(nevent,nfreeze).ne.0) | |
38 | & stop'nevent must be a multiple of nfreeze!!!!!!!!! ' | |
39 | if(istore.ne.0) call bstora | |
40 | do n=1,nevent | |
41 | call evgen(n) | |
42 | if(istore.ge.1.and.istore.le.4) call bstore | |
43 | if(istore.eq.5) call ustore | |
44 | enddo | |
45 | call astati | |
46 | else | |
47 | call xana | |
48 | endif | |
49 | enddo | |
50 | call bfinal | |
51 | endif | |
52 | if(istore.eq.3) write(ifdt,*) ' 0 0 ' | |
53 | 99 write(6,'(a)')'rewind copy-file' | |
54 | rewind (ifcp) | |
55 | nopeno=nopen | |
56 | nopen=-1 | |
57 | iecho=0 | |
58 | call utprix('aamain',ish,ishini,4) | |
59 | goto 9999 | |
60 | ||
61 | end | |
62 | ||
63 | subroutine evgen(n) | |
64 | include 'epos.inc' | |
65 | ||
66 | if(irewch.eq.1)rewind(ifch) | |
67 | nfr=mod(n-1,nfreeze)*ispherio | |
68 | if(nfr.ne.0)goto77 | |
69 | do nin=1,iabs(ninicon) | |
70 | if(icotabr.eq.0)call aepos(isign(1,-ninicon)*nin) | |
71 | if(icocore.ne.0)call IniCon(nin) | |
72 | enddo | |
73 | 77 if(ispherio.ne.0)then | |
74 | if(nfr.eq.0)write(ifmt,'(a)') | |
75 | & 'spherio evolution + hadronization ...' | |
76 | if(mod(nfr+1,50).eq.0) | |
77 | & write(ifmt,*)'hadronization ',nfr+1,' / ',nfreeze | |
78 | c call spherio2(nrevt,nfr) | |
79 | if(ish.ge.2)call alist('list after spherio&',1,nptl) | |
80 | call decayall(1) | |
81 | if(ish.ge.2)call alist('list after decay&',1,nptl) | |
82 | endif | |
83 | call aafinal | |
84 | if(iurqmd.eq.1)call urqmd | |
85 | call afinal | |
86 | call xana | |
87 | if(nfr+1.eq.nfreeze.or.ispherio.eq.0)call aseed(1) | |
88 | ||
89 | end | |
90 | ||
91 | subroutine setinp(ifname, nifname) | |
92 | include 'epos.inc' | |
93 | character*255 ifname | |
94 | ||
95 | ifop=19 | |
96 | open(UNIT=ifop,FILE=ifname(1:nifname),STATUS='UNKNOWN') | |
97 | write(*, '(a,a)')'Connecting input to file: ', ifname(1:nifname) | |
98 | ||
99 | end | |
100 | c----------------------------------------------------------------------- | |
101 | function rangen() | |
102 | c----------------------------------------------------------------------- | |
103 | c generates a random number | |
104 | c----------------------------------------------------------------------- | |
105 | include 'epos.inc' | |
106 | 1 rangen=ranf() | |
107 | if(rangen.le.0.)goto1 | |
108 | if(rangen.ge.1.)goto1 | |
109 | if(irandm.eq.1)write(ifch,*)'rangen()= ',rangen | |
110 | ||
111 | return | |
112 | end | |
113 | ||
114 | c----------------------------------------------------------------------- | |
115 | double precision function drangen(dummy) | |
116 | c----------------------------------------------------------------------- | |
117 | c generates a random number | |
118 | c----------------------------------------------------------------------- | |
119 | include 'epos.inc' | |
120 | double precision dummy,dranf | |
121 | 1 drangen=dranf() | |
122 | if(drangen.le.0.d0)goto1 | |
123 | if(drangen.ge.1.d0)goto1 | |
124 | if(irandm.eq.1)write(ifch,*)'rangen()= ',drangen | |
125 | ||
126 | return | |
127 | end | |
128 | ||
129 | c----------------------------------------------------------------------- | |
130 | function cxrangen(dummy) | |
131 | c----------------------------------------------------------------------- | |
132 | c generates a random number | |
133 | c----------------------------------------------------------------------- | |
134 | include 'epos.inc' | |
135 | double precision dummy | |
136 | 1 cxrangen=ranf() | |
137 | if(cxrangen.le.0.)goto1 | |
138 | if(cxrangen.ge.1.)goto1 | |
139 | if(irandm.eq.1)write(ifch,*)'rangen()= ',cxrangen | |
140 | ||
141 | return | |
142 | end | |
143 | ||
144 | c----------------------------------------------------------------------- | |
145 | real function ranf() | |
146 | c----------------------------------------------------------------------- | |
147 | c uniform random number generator from cern library | |
148 | c----------------------------------------------------------------------- | |
149 | double precision dranf, g900gt, g900st | |
150 | double precision ds(2), dm(2), dseed | |
151 | double precision dx24, dx48 | |
152 | double precision dl, dc, du, dr | |
153 | logical single | |
154 | data ds / 1665 1885.d0, 286 8876.d0 / | |
155 | data dm / 1518 4245.d0, 265 1554.d0 / | |
156 | data dx24 / 1677 7216.d0 / | |
157 | data dx48 / 281 4749 7671 0656.d0 / | |
158 | single = .true. | |
159 | goto 10 | |
160 | entry dranf() | |
161 | single = .false. | |
162 | 10 dl = ds(1) * dm(1) | |
163 | dc = dint(dl/dx24) | |
164 | dl = dl - dc*dx24 | |
165 | du = ds(1)*dm(2) + ds(2)*dm(1) + dc | |
166 | ds(2) = du - dint(du/dx24)*dx24 | |
167 | ds(1) = dl | |
168 | dr = (ds(2)*dx24 + ds(1)) / dx48 | |
169 | if(single) then | |
170 | ranf = sngl(dr) | |
171 | else | |
172 | dranf = dr | |
173 | endif | |
174 | return | |
175 | entry g900gt() | |
176 | g900gt = ds(2)*dx24 + ds(1) | |
177 | return | |
178 | entry g900st(dseed) | |
179 | ds(2) = dint(dseed/dx24) | |
180 | ds(1) = dseed - ds(2)*dx24 | |
181 | g900st = ds(1) | |
182 | return | |
183 | end | |
184 | ||
185 | c----------------------------------------------------------------------- | |
186 | subroutine ranfgt(seed) | |
187 | c----------------------------------------------------------------------- | |
188 | double precision seed, g900gt, g900st, dummy | |
189 | seed = g900gt() | |
190 | return | |
191 | entry ranfst(seed) | |
192 | dummy = g900st(seed) | |
193 | return | |
194 | end |