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Commit | Line | Data |
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fe4da5cc | 1 | * |
2 | * $Id$ | |
3 | * | |
4 | * $Log$ | |
5 | * Revision 1.1.1.1 1995/10/24 10:20:56 cernlib | |
6 | * Geant | |
7 | * | |
8 | * | |
9 | #include "geant321/pilot.h" | |
10 | *CMZ : 3.21/02 29/03/94 15.41.30 by S.Giani | |
11 | *-- Author : | |
12 | SUBROUTINE GTRMUL(DX1,RMAT1,DX2,IROT,DXNEW,RMATN) | |
13 | C. | |
14 | C. ****************************************************************** | |
15 | C * * | |
16 | C * ROUTINE TO FORM THE TRANSFORMATION RESULTING FROM * | |
17 | C * THE APPLICATION OF FIRST THE TRANSFORMATION GIVEN * | |
18 | C * BY THE POINT DX1 AND THE MATRIX RMAT1 FOLLOWED BY * | |
19 | C * THE APPLICATION OF THE TRANSFORMATION GIVEN BY THE * | |
20 | C * POINT DX2 AND THE MATRIX IN THE GEANT ROTATION * | |
21 | C * MATRIX BANKS WITH INDEX NUMBER IROT. THE RESULTING * | |
22 | C * TRANSFORMATION IS STORED AS THE POINT DXNEW AND * | |
23 | C * MATRIX RMATN. * | |
24 | C. * * | |
25 | C. * ==>Called by : GFTRAC,GINVOL,GLVOLU,GMEDIV,GMEPOS,GSTRAC, * | |
26 | C. * GTMEDI * | |
27 | C. * Author A.McPherson ********* * | |
28 | C. * * | |
29 | C. ****************************************************************** | |
30 | C. | |
31 | #include "geant321/gcbank.inc" | |
32 | DIMENSION DX1(3),RMAT1(10),DX2(3),DXNEW(3),RMATN(10) | |
33 | C. | |
34 | C. ------------------------------------------------------------------ | |
35 | C. | |
36 | IF(RMAT1(10).EQ.0.0)THEN | |
37 | DXNEW(1) = DX1(1) + DX2(1) | |
38 | DXNEW(2) = DX1(2) + DX2(2) | |
39 | DXNEW(3) = DX1(3) + DX2(3) | |
40 | IF(IROT.EQ.0)THEN | |
41 | DO 20 I = 1, 10, 2 | |
42 | RMATN(I) = RMAT1(I) | |
43 | RMATN(I+1) = RMAT1(I+1) | |
44 | 20 CONTINUE | |
45 | ELSE | |
46 | JR=LQ(JROTM-IROT) | |
47 | DO 30 I = 1, 9 | |
48 | RMATN(I) = Q(JR+I) | |
49 | 30 CONTINUE | |
50 | RMATN(10)=1. | |
51 | ENDIF | |
52 | ELSE | |
53 | C | |
54 | DXTEM1 = DX2(1)*RMAT1(1) + DX2(2)*RMAT1(4) + DX2(3)*RMAT1(7) | |
55 | DXTEM2 = DX2(1)*RMAT1(2) + DX2(2)*RMAT1(5) + DX2(3)*RMAT1(8) | |
56 | DXTEM3 = DX2(1)*RMAT1(3) + DX2(2)*RMAT1(6) + DX2(3)*RMAT1(9) | |
57 | C | |
58 | IF(IROT.EQ.0)THEN | |
59 | DO 50 I = 1, 10, 2 | |
60 | RMATN(I) = RMAT1(I) | |
61 | RMATN(I+1) = RMAT1(I+1) | |
62 | 50 CONTINUE | |
63 | ELSE | |
64 | CALL GRMUL(RMAT1,IROT,RMATN) | |
65 | ENDIF | |
66 | DXNEW(1) = DX1(1) + DXTEM1 | |
67 | DXNEW(2) = DX1(2) + DXTEM2 | |
68 | DXNEW(3) = DX1(3) + DXTEM3 | |
69 | ENDIF | |
70 | END |