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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 10:22:00 cernlib | |
6 | * Geant | |
7 | * | |
8 | * | |
9 | #include "geant321/pilot.h" | |
10 | *CMZ : 3.21/02 29/03/94 15.41.48 by S.Giani | |
11 | *-- Author : | |
12 | SUBROUTINE XSECNU(BUF,LEN,E,XSC,L1,L2) | |
13 | C THIS ROUTINE DETERMINES A CROSS SECTION AT A GIVEN ENERGY | |
14 | C FROM A CROSS SECTION VERSUS ENERGY TABLE | |
15 | DIMENSION BUF(*) | |
16 | SAVE | |
17 | IF(E.LT.BUF(L1))GO TO 40 | |
18 | DO 10 J=1,LEN | |
19 | N=L1+2*(J-1) | |
20 | IF(E.LE.BUF(N))GO TO 20 | |
21 | 10 CONTINUE | |
22 | XSC=BUF(L2) | |
23 | RETURN | |
24 | 20 IF(J.EQ.1)GO TO 30 | |
25 | XSC=BUF(N-1)+(E-BUF(N-2))*(BUF(N+1)-BUF(N-1))/ | |
26 | +(BUF(N)-BUF(N-2)) | |
27 | RETURN | |
28 | 30 XSC=BUF(N+1) | |
29 | RETURN | |
30 | 40 XSC=0.0 | |
31 | RETURN | |
32 | END |