From: Burge, F \(Frances\) (frances.burge@diamond.ac.uk)
Date: Wed Apr 11 2007 - 12:12:04 CEST
Dear all,
I have been using the FLRNDM random number generator to sample from a
spectrum in the source subroutine. To check that everything works as it
should, I have been running for a small number of particles (typically
10) and writing the sampled energy etc to a separate file. The energy is
sampled according to the following statement:
RANDNO(NPFLKA) = FLRNDM(DUM)
TKEFLK(NPFLKA) = (EMIN + (EMAX - EMIN) * RANDNO(NPFLKA))
I have noticed that every time I run the program, I get the same
energies sampled for the ten particles, which is a result of the same
random numbers being used each time. Is there something I need to
include to make sure that I get different sequences on each run?
thanks,
Frances
Frances Burge
Health Physicist
01235 778269
Diamond Light Source Ltd.
Rutherford Appleton Laboratory
Chilton
Didcot
OX11 0DE
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