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openpfgw · Co-ordination of the OpenPFGW project
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  • Members: 275
  • Category: Software
  • Founded: Oct 12, 2000
  • Language: English
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The list is for contributors to OpenPFGW to discuss their ideas, notify other developers of updates or difficulties, and to generally coordinate the development effort.
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Re: pfgw 3.7.5 [found a factoring bug]
... Here is another such case, where the factor is missed using the +-1 option $ pfgw -f'{20269,+-1}' -d -e3000000000 -q'(2*20269*52981-1)*(2^63+29)' PFGW
Posted - Mon May 6, 2013 8:46 am
 djbroadhurst
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Re: pfgw 3.7.5 [found a factoring bug]
... For future reference, I believe that it is significant that the missing factor 2*18773*57203 - 1 = 2147743837 = 2^31 + 260189 is only slightly above 31
Posted - Sun May 5, 2013 8:25 pm
 djbroadhurst
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Re: pfgw 3.7.5 [found a factoring bug]
... I've taken a brief look at the code, but not enough to determine the cause of the problem. I'm very busy right now with work so my focus has been on that
Posted - Sat May 4, 2013 1:00 pm
 Mark Rodenkirch
mgrogue
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Re: pfgw 3.7.5 [found a factoring bug]
... More rigorous testing revealed a factoring bug. This is correct: $ pfgw -f'{18773,-1}' -d -e3000000000 -q'(2*18773*57203-1)*(2^63+29)' PFGW Version
Posted - Sat May 4, 2013 11:10 am
 djbroadhurst
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Re: pfgw 3.7.5
... Thanks, Mark and Steven, for the now successful reversion to the factoring code of v.3.6.x, in v3.7.5, whose statically linked 64-bit linux executable has
Posted - Mon Mar 25, 2013 10:19 pm
 djbroadhurst
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Message History

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2013 36 26 11 4
2012 1 2 3 6 18
2011 32 12 10 3 8 3 9 16 3 7
2010 11 4 6 3 12 54 8 2
2009 2 15 9 60 22 38 15 5
2008 6 3 2 2 11
2007 6 2 2 6
2006 4 8 1 21 3 1 1 1 7
2005 20 58 10 54 7 5 1 5 2 2
2004 20 18 1 8 6 30 53 34 6 21 6 6
2003 35 57 26 19 1 2 9 16 155 33 8
2002 22 37 79 11 13 7 17 34 6 37 76 20
2001 137 17 15 26 96 106 32 31 18 33 17 4
2000 16 110 65
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