[geos-devel] [GEOS] #588: valid polygon when cw, not valid when ccw

Sandro Santilli strk at keybit.net
Thu Sep 13 00:50:40 PDT 2012

On Wed, Sep 12, 2012 at 08:43:51PM -0700, Martin Davis wrote:
> Turns out that this isn't an issue in the trunk version of JTS (but
> it is in JST 1.12).
> This is probably due to the recent switch to using extended
> precision to compute determinant signs - which affects all
> intersection computations.  It would be good if GEOS switched to
> using this new more (fully?) robust technique as well.

Are you referring to this commit ?

Or which other  else ?


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