[PostGIS] #5781: Concave Hull returning multi poly with polygons

[PostGIS]

#5781: Concave Hull returning multi poly with polygons
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  Reporter:  latot    |      Owner:  pramsey
      Type:  defect   |     Status:  new
  Priority:  medium   |  Milestone:  PostGIS 3.4.4
 Component:  postgis  |    Version:  3.4.x
Resolution:           |   Keywords:
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Comment (by latot):

 mmm, I did not test the percent, but probs will not fix it, testing the
 same example, while the ratio is lower then ~0.51 we will have a multi
 poly, is not exclusive of 0 ratio... D:
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/5781#comment:2>
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