[postgis-tickets] [PostGIS] #5107: "flat" polygon has non-zero area according to ST_Area

[PostGIS]

#5107: "flat" polygon has non-zero area according to ST_Area
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  Reporter:  strk     |      Owner:  pramsey
      Type:  defect   |     Status:  new
  Priority:  medium   |  Milestone:  PostGIS 3.3.0
 Component:  postgis  |    Version:  3.2.x
Resolution:           |   Keywords:
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Comment (by strk):

 The code is ptarray_signed_area and references
 https://en.wikipedia.org/wiki/Shoelace_formula with a comment saying it
 should return 0 for "flat" polygons, which is not happening.

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/5107#comment:2>
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