Geant3 to Geant4 migration

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1

Hello community,

I am trying to migrate a Geant3 simulation code into Geant4. Unfortunately, in the Geant3 code, there are several secondary routines like VZERO, UCOPY, GTRMUL, GRMUL, GFANG, GINROT, VSCALE, VADD, VLINE, VUNIT, and CROSS. I suspect they all manipulate arrays, but I don’t know exactly what they do.

Could anyone please help me understand what these Geant3 routines do? I looked for them in the Geant3 manual but there is no information about.

Thanks in advance and have a good day.

2

Most of these functions are described in the cern program library book, 1989
Have you access to this document ?

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3

Hi Maire.
Could you please tell me where to download that reference?
Thanks in advance.

4

https://www.google.com/search?q=cern+program+library+1989+pdf

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