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[u/mrichter/AliRoot.git] / GEANT321 / gbase / gshead.F
1 *
2 * $Id$
3 *
4 * $Log$
5 * Revision 1.1.1.1  1995/10/24 10:20:11  cernlib
6 * Geant
7 *
8 *
9 #include "geant321/pilot.h"
10 *CMZ :  3.21/02 29/03/94  15.41.19  by  S.Giani
11 *-- Author :
12       SUBROUTINE GSHEAD (NWBUF,UBUF,IADR)
13 C.
14 C.    ******************************************************************
15 C.    *                                                                *
16 C     *       Stores User's informations in HEADER user bank.          *
17 C     *       IADR is the stating location in the bank                 *
18 C     *                                                                *
19 C     *       on output IADR is the new starting location              *
20 C.    *                                                                *
21 C.    *    ==>Called by : <USER>                                       *
22 C.    *       Author     M.Maire                                       *
23 C.    *                                                                *
24 C.    ******************************************************************
25 C.
26 #include "geant321/gcbank.inc"
27 #include "geant321/gcunit.inc"
28 #include "geant321/gcflag.inc"
29 *
30       DIMENSION UBUF(1)
31 *
32       IF (JHEAD.GT.0) THEN
33 *
34          NDATA = IADR + NWBUF
35          IF (LQ(JHEAD-1).EQ.0) THEN
36             CALL MZBOOK (IXDIV,JHU,JHEAD,-1,'HEDU',0,0,NDATA,3,0)
37          ELSE
38             JHU = LQ(JHEAD-1)
39             NFREE = IQ(JHU-1) - NDATA
40             IF (NFREE.LT.0) CALL MZPUSH (IXDIV,JHU,0,-NFREE,'I')
41          ENDIF
42 *
43          DO  10 I=1,NWBUF
44             Q(JHU+IADR+I) = UBUF(I)
45    10    CONTINUE
46 *
47          IADR = IADR + NWBUF
48       ELSE
49 *
50          IADR = 0
51          WRITE(CHMAIL,1000) IEVENT
52          CALL GMAIL(0,0)
53       ENDIF
54 *
55  1000 FORMAT(' **** GSHEAD: No Header bank in memory for ievent:',I7)
56 *
57       END