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Commit | Line | Data |
---|---|---|
fe4da5cc | 1 | * |
2 | * $Id$ | |
3 | * | |
4 | * $Log$ | |
5 | * Revision 1.1.1.1 1996/02/15 17:50:18 mclareni | |
6 | * Kernlib | |
7 | * | |
8 | * | |
9 | #include "kerngen/pilot.h" | |
10 | SUBROUTINE VUNIT (A,B,N) | |
11 | C | |
12 | C CERN PROGLIB# F121 VUNIT .VERSION KERNFOR 1.0 710701 | |
13 | C ORIG. 01/07/71 | |
14 | C | |
15 | DIMENSION A(*),B(*) | |
16 | C | |
17 | IF (N.LE.0) RETURN | |
18 | XX= 0. | |
19 | DO 9 I=1,N | |
20 | 9 XX= XX + A(I)*A(I) | |
21 | IF (XX.LE.0.) RETURN | |
22 | YY=1./ SQRT (XX) | |
23 | DO 19 I= 1,N | |
24 | 19 B(I)=A(I) * YY | |
25 | RETURN | |
26 | END |