Patch for contains/overlap of polygons

From: Teodor Sigaev <teodor(at)sigaev(dot)ru>
To: Pgsql Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Patch for contains/overlap of polygons
Date: 2009-07-10 15:43:30
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Patch fixes wrong algorithms of contains and overlap operations over polygons.
Regression tests contain an examples of such polygons.

Teodor Sigaev E-mail: teodor(at)sigaev(dot)ru


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