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fe4da5cc | 1 | * |
2 | * $Id$ | |
3 | * | |
4 | * $Log$ | |
5 | * Revision 1.1.1.1 1995/10/24 10:21:57 cernlib | |
6 | * Geant | |
7 | * | |
8 | * | |
9 | #include "geant321/pilot.h" | |
10 | *CMZ : 3.21/04 23/02/95 14.46.01 by S.Giani | |
11 | *-- Author : | |
12 | SUBROUTINE ISOTPE(D,LD,KM,RHO,IN,IDICTS,LDICT,E,TSIG,NMED, | |
13 | + IIN,IIM) | |
14 | C THIS ROUTINE DETERMINES WHICH ISOTOPE HAS BEEN STRUCK | |
15 | C IN MEDIA NMED | |
16 | #include "geant321/minput.inc" | |
17 | #include "geant321/mconst.inc" | |
18 | #include "geant321/mmicab.inc" | |
19 | C | |
20 | DIMENSION D(*),LD(*),KM(*),RHO(*),IN(*),IDICTS(NNR,NNUC), | |
21 | + LDICT(NNR,NNUC) | |
22 | SAVE | |
23 | C | |
24 | R=FLTRNF(0) | |
25 | NOA=0 | |
26 | SUM=0. | |
27 | #if defined(CERNLIB_MDEBUG) | |
28 | DO 10 K=1,NMIX | |
29 | IF(KM(K).NE.NMED)GO TO 10 | |
30 | C DETERMINE ISOTOPE NUMBER | |
31 | K1=IN(K) | |
32 | K2=K | |
33 | C DETERMINE TOTAL CROSS SECTION FOR THIS ISOTOPE | |
34 | LS1=IDICTS(1,K1)+LMOX2 | |
35 | L1=LDICT(1,K1) | |
36 | LEN=L1/2 | |
37 | CALL TBSPLT(D(LS1),E,LEN,X) | |
38 | SUM=SUM+X*RHO(K) | |
39 | PRINT *,' ISOTPE: K=',K,' RHO=',RHO(K),' Sig=',X*RHO(K), | |
40 | + ' SUM=',SUM,' TSIG=',TSIG,' R=',R | |
41 | 10 CONTINUE | |
42 | SUM = 0.0 | |
43 | #endif | |
44 | 20 DO 30 K=1,NMIX | |
45 | IF(KM(K).NE.NMED)GO TO 30 | |
46 | C DETERMINE ISOTOPE NUMBER | |
47 | K1=IN(K) | |
48 | K2=K | |
49 | C DETERMINE TOTAL CROSS SECTION FOR THIS ISOTOPE | |
50 | LS1=IDICTS(1,K1)+LMOX2 | |
51 | L1=LDICT(1,K1) | |
52 | LEN=L1/2 | |
53 | CALL TBSPLT(D(LS1),E,LEN,X) | |
54 | SUM=SUM+X*RHO(K) | |
55 | C CHECK TO SEE IF THIS ISOTOPE WAS HIT | |
56 | IF(R.LE.SUM/TSIG)GO TO 40 | |
57 | 30 CONTINUE | |
58 | C AN ISOTOPE WAS NOT CHOSEN, TRY AGAIN | |
59 | NOA=NOA+1 | |
60 | IF(NOA.GT.5)GO TO 50 | |
61 | SUM=0.0 | |
62 | R=FLTRNF(0) | |
63 | GO TO 20 | |
64 | 40 IIN=K1 | |
65 | IIM=K2 | |
66 | #if defined(CERNLIB_MDEBUG) | |
67 | PRINT *,' Isotope chosen : K=',K | |
68 | #endif | |
69 | RETURN | |
70 | 50 WRITE(IOUT,10000)NMED,TSIG | |
71 | 10000 FORMAT(' MICAP: AN ISOTOPE WAS NOT CHOSEN IN 5 ATTEMPTS IN ', | |
72 | +'ROUTINE ISOTPE',/,3X,'MEDIUM=',I5,5X,'MACROSCOPIC XSEC=', | |
73 | +1PE12.4) | |
74 | WRITE(IOUT,10100)R,SUM,TSIG,X,E,RHO(K2),NMED,K1,K2 | |
75 | 10100 FORMAT('0',1X,1P6E12.4,3I10) | |
76 | WRITE(6,*) ' CALOR: ERROR in ISOTPE =====> STOP ' | |
77 | STOP | |
78 | END |