[postgis-tickets] [PostGIS] #5012: winnie ticket rounding regress on tickets and buffer_params

[PostGIS]

#5012: winnie ticket rounding regress on tickets and buffer_params
-----------------------+---------------------------
 Reporter:  robe       |      Owner:  robe
     Type:  defect     |     Status:  new
 Priority:  blocker    |  Milestone:  PostGIS 3.2.0
Component:  buildbots  |    Version:  master
 Keywords:             |
-----------------------+---------------------------
 {{{
 PostgreSQL 11.12, compiled by Visual C++ build 1914, 64-bit
   Postgis 3.2.0dev - (3.2.0alpha1-50-gb02b7bf7b) - 2021-10-16 19:15:57
   scripts 3.2.0dev 3.2.0alpha1-50-gb02b7bf7b
   raster scripts 3.2.0dev 3.2.0alpha1-50-gb02b7bf7b
   GEOS: 3.10.0beta3-CAPI-1.16.0
   PROJ: 7.1.1
   SFCGAL: 1.4.0
   GDAL: GDAL 3.2.3, released 2021/04/27


  ./regress/core/regress_buffer_params .. failed (diff expected obtained:
 /projects/postgis/tmp/3.2.0dev_pg11_geos3.10_gdal3.2.3w64/test_46_diff)
 -----------------------------------------------------------------------------
 --- ./regress/core/regress_buffer_params_expected       2021-10-16
 14:57:43.594235200 -0400
 +++ /projects/postgis/tmp/3.2.0dev_pg11_geos3.10_gdal3.2.3w64/test_46_out
 2021-10-16 16:00:24.439547700 -0400
 @@ -1,4 +1,4 @@
 -point quadsegs=2|POLYGON((1 0,0.7071 -0.7071,1.6155e-15 -1,-0.7071
 -0.7071,-1 -3.2311e-15,-0.7071 0.7071,-4.6246e-15 1,0.7071 0.7071,1 0))
 +point quadsegs=2|POLYGON((1 0,0.7071 -0.7071,6.123e-17 -1,-0.7071
 -0.7071,-1 -1.2246e-16,-0.7071 0.7071,-1.8369e-16 1,0.7071 0.7071,1 0))
  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))
  line quadsegs=2 endcap=flat|POLYGON((10 2,10 -2,0 -2,0 2,10 2))
  line quadsegs=2 endcap=butt|POLYGON((10 2,10 -2,0 -2,0 2,10 2))
 --------------------------------------------------------------------------

 /tmp/3.2.0dev_pg11_geos3.10_gdal3.2.3w64/test_81_diff)
 -----------------------------------------------------------------------------
 --- ./regress/core/tickets_expected     2021-10-16 14:57:48.640534100
 -0400
 +++ /projects/postgis/tmp/3.2.0dev_pg11_geos3.10_gdal3.2.3w64/test_81_out
 2021-10-16 16:06:54.024173000 -0400
 @@ -91,7 +91,7 @@
  #835.11|MULTILINESTRING EMPTY
  #835.12|MULTIPOLYGON EMPTY
  #650|MULTIPOINT(0 0,1 1,2 2)
 -#667|SRID=4326;CURVEPOLYGON(CIRCULARSTRING(30 40,-50 39.99999999999987,30
 40))
 +#667|SRID=4326;CURVEPOLYGON(CIRCULARSTRING(30 40,-50 39.99999999999999,30
 40))
  #677.deprecated|1121395
  #677|1121395
  #680|01d107000000000000000024c000000000000049400000000000000040
 -----------------------------------------------------------------------------
 }}}

 I just noticed debbie was set to run against 3.9 so if it was a 3.10 issue
 she wasn't testing. Checking on her.  That said not sure why winnie isn't
 at rc2.  Will retest on newly released 3.10 to see if still and issue.

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/5012>
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