Re: pkg SAT_SOLVER bugs

From: Baptiste Daroussin <bapt_at_FreeBSD.org>
Date: Tue, 28 Jun 2016 18:22:39 +0200
On Tue, Jun 28, 2016 at 05:52:32PM +0200, Hans Petter Selasky wrote:
> On 06/27/16 13:55, Baptiste Daroussin wrote:
> > On Mon, Jun 27, 2016 at 12:38:02PM +0200, Hans Petter Selasky wrote:
> > > Hi,
> > > 
> > > I found some bugs in PKG with regard to the SAT_SOLVER environment variable.
> > > Please find patch attached :-)
> > > 
> > > Issues fixed:
> > > 1) No need to use hash table when generating SAT rules for external solver.
> > > Variables are already in a linear array. Fix encoding and decoding of SAT
> > > data.
> > > 2) Endless variable loop caused pkg to crash.
> > > 3) it->inverse was checked for non-zero, while it should actually be checked
> > > for -1 only. SAT rules produces were all negative.
> > > 
> > > How to verify:
> > > 
> > > make -C /usr/ports/math/picosat all install clean
> > > 
> > > env SAT_SOLVER=picosat pkg upgrade
> > > 
> > > --HPS
> > 
> > Thank you I will look into shortly
> > 
> 
> Hi Baptiste,
> 
> Are you handling this one or do you want me to create an issue at github.
> Thank you!
> 
I am handling it

BTW not that picosat is the one we use internally already :D

Best regards
Bapt

Received on Tue Jun 28 2016 - 14:22:43 UTC

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