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Old 2010-09-29, 11:59   #9
jasonp
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Oct 2004

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Msieve doesn't have a lattice sieve at all. Both the line sieve and the postprocessing can handle 63-bit signed 'a' and 32-bit 'b' values.

Perhaps the most expedient solution is to use the Kleinjung siever to resieve enough, then postprocess the generated relations into CWI format (which is easy).
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