[Ecm-dev] Re: ECM marriage
alexander.kruppa at mytum.de
Dim 29 Mai 14:40:02 CEST 2005
Alexander Kruppa wrote:
> I'm having trouble with Fermat numbers, there's a segfault when
> multiplying two numbers with gwmul(). I'm not yet convinced that the bug
> isn't in my code somewhere so I don't want to pass the investigation on
> to you at this time.
I think I found it: we init GWNUM for arithmetic modulo Fermat numbers
before stage 1, then your stage 1 does the same and cleans up at the
end, next time we try to use GWNUM it's not initialised any more.
I think I'll do the sigma->A conversion in plain GMP and init GWNUM only
after stage 1.
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