[PostGIS] #5605: regress/core/regress_buffer_params failed with latest geos e4a6e1af65f7d60fa63d7666f6cb000

[PostGIS]

#5605: regress/core/regress_buffer_params failed with latest geos
e4a6e1af65f7d60fa63d7666f6cb000
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  Reporter:  ImreSamu  |      Owner:  pramsey
      Type:  defect    |     Status:  new
  Priority:  medium    |  Milestone:  PostGIS 3.4.1
 Component:  postgis   |    Version:  3.4.x
Resolution:            |   Keywords:  geos, regress, regress_buffer_params
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Comment (by robe):

 Similar failure on debbie, berrie, and berrie64


 {{{

 18:03:56  regress/core/regress_buffer_params .. failed (diff expected
 obtained: /var/lib/jenkins/workspace/postgis/tmp/3_5_pg15w64/test_51_diff)
 18:03:56
 -----------------------------------------------------------------------------
 18:03:56 --- ./regress/core/regress_buffer_params_expected      2023-09-12
 16:48:00.430733987 +0000
 18:03:56 +++
 /var/lib/jenkins/workspace/postgis/tmp/3_5_pg15w64/test_51_out
 2023-11-09 23:03:56.664214090 +0000
 18:03:56 @@ -1,5 +1,5 @@
 18:03:56  point quadsegs=2|POLYGON((1 0,0.7071 -0.7071,0 -1,-0.7071
 -0.7071,-1 0,-0.7071 0.7071,0 1,0.7071 0.7071,1 0))
 18:03:56 -line quadsegs=2|POLYGON((10 2,11.414 1.414,12 0,11.414 -1.414,10
 -2,0 -2,-1.414 -1.414,-2 2.449e-16,-1.414 1.414,0 2,10 2))
 18:03:56 +line quadsegs=2|POLYGON((10 2,11.414 1.414,12 0,11.414 -1.414,10
 -2,0 -2,-1.414 -1.414,-2 0,-1.414 1.414,0 2,10 2))
 18:03:56  line quadsegs=2 endcap=flat|POLYGON((10 2,10 -2,0 -2,0 2,10 2))
 18:03:56  line quadsegs=2 endcap=butt|POLYGON((10 2,10 -2,0 -2,0 2,10 2))
 18:03:56  line quadsegs=2 endcap=square|POLYGON((10 2,12 2,12 -2,0 -2,-2
 -2,-2 2,10 2))
 18:03:56
 -----------------------------------------------------------------------------

 }}}

 Though the difference seems to be fairly harmless a 0 vs. a 2.449e-16.
 Maybe we should just change this test
-- 
Ticket URL: <https://trac.osgeo.org/postgis/ticket/5605#comment:2>
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