[PostGIS] #6037: st_union with gridSize produces unexpected result

[PostGIS]

#6037: st_union with gridSize produces unexpected result
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  Reporter:  Asger Skovbo Petersen  |      Owner:  pramsey
      Type:  defect                 |     Status:  new
  Priority:  medium                 |  Milestone:
 Component:  postgis                |    Version:  3.6.x
Resolution:                         |   Keywords:
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Comment (by strk):

 Geometry b (the second one, containing the first one) is not equal to its
 reduced-precision version:

 {{{
 with inp as ( select 'POLYGON ((450329.74 6273269.32, 450317.5 6273266.14,
 450317.49 6273266.14, 450329.74 6273269.32))'::geometry g ) select
 ST_Equals(g, ST_ReducePrecision(g, 0.01))
 }}}
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/6037#comment:1>
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