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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 10:21:24 cernlib | |
6 | * Geant | |
7 | * | |
8 | * | |
9 | #include "geant321/pilot.h" | |
10 | *CMZ : 3.21/02 29/03/94 15.41.21 by S.Giani | |
11 | *-- Author : | |
12 | SUBROUTINE GDROT(P,COSTH,SINTH,COSPH,SINPH) | |
13 | C. | |
14 | C. ****************************************************************** | |
15 | C. * * | |
16 | C. * Rotates vector from one reference system into another. * | |
17 | C. * THETA and PHI are anti-clockwise Eulerian angles between the * | |
18 | C. * two systems. * | |
19 | C. * * | |
20 | C. * ==>Called by : GBREME,GCOMP,GDECAY,GDECA3,GDRAY,GPAIRG * | |
21 | C. * Author M.Hansroul, G.Patrick ********* * | |
22 | C. * * | |
23 | C. * * | |
24 | C. ****************************************************************** | |
25 | C. | |
26 | DIMENSION P(3) | |
27 | #if !defined(CERNLIB_SINGLE) | |
28 | DOUBLE PRECISION P1,P2,P3 | |
29 | #endif | |
30 | C. | |
31 | C. ------------------------------------------------------------------ | |
32 | C. | |
33 | P1=P(1) | |
34 | P2=P(2) | |
35 | P3=P(3) | |
36 | P(1)=P1*COSTH*COSPH - P2*SINPH + P3*SINTH*COSPH | |
37 | P(2)=P1*COSTH*SINPH + P2*COSPH + P3*SINTH*SINPH | |
38 | P(3)=-P1*SINTH + P3*COSTH | |
39 | C | |
40 | END |