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Commit | Line | Data |
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fe4da5cc | 1 | * |
2 | * $Id$ | |
3 | * | |
4 | * $Log$ | |
5 | * Revision 1.2 1998/02/10 16:04:19 japost | |
6 | * Comments are correctly redistributed. | |
7 | * | |
8 | * Revision 1.1.1.1 1995/10/24 10:21:19 cernlib | |
9 | * Geant | |
10 | * | |
11 | * | |
12 | #include "geant321/pilot.h" | |
13 | *CMZ : 3.21/02 28/03/94 01.30.59 by S.Giani | |
14 | *-- Author : | |
15 | SUBROUTINE GSKINE(PLAB,IPART,NV,BUF,NWBUF,NT) | |
16 | C. | |
17 | C. ****************************************************************** | |
18 | C. * * | |
19 | C * Store kinematics of track NT into data structure * | |
20 | C * Track is coming from vertex NV * | |
21 | C. * * | |
22 | C. * * | |
23 | C. * In detail: * | |
24 | C. * * | |
25 | C. * Stores long life track parameters. * | |
26 | C. * * | |
27 | C. * Input: * | |
28 | C. * PLAB components of momentum * | |
29 | C. * IPART type of particle (see GSPART) * | |
30 | C. * NV vertex number origin of track * | |
31 | C. * UBUF array of NUBUF floating point user parameters * | |
32 | C. * NUBUF * | |
33 | C. * * | |
34 | C. * Output: * | |
35 | C. * NT track number (if=0 error). * | |
36 | C. * * | |
37 | C. * ==>Called by : <USER>, GUKINE,GUSTEP * | |
38 | C. * Authors R.Brun, F.Carena, M.Hansroul ********* * | |
39 | C. * * | |
40 | C. ****************************************************************** | |
41 | C. | |
42 | #include "geant321/gcbank.inc" | |
43 | #include "geant321/gcnum.inc" | |
44 | #include "geant321/gcpush.inc" | |
45 | DIMENSION PLAB(3),BUF(1) | |
46 | SAVE JV | |
47 | C. | |
48 | C. ------------------------------------------------------------------ | |
49 | C. | |
50 | IF(NV.LE.0)GO TO 10 | |
51 | IF(NV.GT.NVERTX)GO TO 90 | |
52 | JV = LQ(JVERTX- NV) | |
53 | IF(JV.LE.0)GO TO 90 | |
54 | C | |
55 | 10 NT = NTRACK + 1 | |
56 | IF (JKINE.EQ.0)THEN | |
57 | CALL MZBOOK(IXDIV,JKINE,JKINE,1,'KINE',NCKINE,NCKINE,1,2,0) | |
58 | IQ(JKINE-5)=0 | |
59 | ENDIF | |
60 | IF(NT.GT.IQ(JKINE-2)) CALL MZPUSH(IXDIV,JKINE,NPKINE,0,'I') | |
61 | C | |
62 | CALL MZBOOK(IXDIV,JK,JKINE,-NT,'KINE',1,1,8,3,0) | |
63 | C | |
64 | IF (JPART.LE.0) GO TO 90 | |
65 | IF (IPART.GT.IQ(JPART-2)) GO TO 90 | |
66 | JPA = LQ(JPART- IPART) | |
67 | IF (JPA.LE.0) GO TO 90 | |
68 | P2 = PLAB(1)**2 + PLAB(2)**2 + PLAB(3)**2 | |
69 | AMASS = Q(JPA + 7) | |
70 | E = SQRT(P2 + AMASS*AMASS) | |
71 | C | |
72 | C Store kinematics in JKINE | |
73 | C | |
74 | Q(JK + 1) = PLAB(1) | |
75 | Q(JK + 2) = PLAB(2) | |
76 | Q(JK + 3) = PLAB(3) | |
77 | Q(JK + 4) = E | |
78 | Q(JK + 5) = IPART | |
79 | Q(JK + 6) = NV | |
80 | C | |
81 | C Copy user words | |
82 | C | |
83 | IF(NWBUF.GT.0)THEN | |
84 | CALL MZBOOK(IXDIV,JUK,JK,-1,'KINU',0,0,NWBUF,3,0) | |
85 | IQ(JUK-5)=NT | |
86 | C | |
87 | DO 15 I=1,NWBUF | |
88 | Q(JUK+I)=BUF(I) | |
89 | 15 CONTINUE | |
90 | ENDIF | |
91 | C | |
92 | C | |
93 | C Connect track NT to vertex NV | |
94 | C | |
95 | IF(NV.GT.0)THEN | |
96 | JV = LQ(JVERTX- NV) | |
97 | NTG = Q(JV + 7) | |
98 | NFREE=IQ(JV-1)-7-NTG | |
99 | IF(NFREE.LE.0)CALL MZPUSH(IXDIV,JV,0,2,'I') | |
100 | Q(JV + NTG + 8) = NT | |
101 | Q(JV + 7) = NTG + 1 | |
102 | ENDIF | |
103 | C | |
104 | NTRACK = NT | |
105 | IQ(JKINE+1)=NTRACK | |
106 | GO TO 99 | |
107 | C | |
108 | C Error | |
109 | C | |
110 | 90 NT = 0 | |
111 | 99 RETURN | |
112 | END |