[PostGIS] #6097: false positive values from topology.findvertexsegmentpairsbelowdistance ?

[PostGIS]

#6097: false positive values from topology.findvertexsegmentpairsbelowdistance ?
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 Reporter:  Lars Aksel Opsahl  |      Owner:  strk
     Type:  defect             |     Status:  new
 Priority:  medium             |  Milestone:  PostGIS 3.6.5
Component:  topology           |    Version:
 Keywords:                     |
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 I have simple topology with 4 nodes and and edges that return 4 rows when
 running attached test_findvertexsegmentpairsbelowdistance tha I do not
 under stand why.

 this is tested on (source code seems be like in master)

 {{{
 POSTGIS="3.7.0dev 3.6.0rc2-473-g260127869" [EXTENSION] PGSQL="160"
 GEOS="3.14.1-CAPI-1.20.5" PROJ="9.8.1 NETWORK_ENABLED=OFF
 URL_ENDPOINT=https://cdn.proj.org
 USER_WRITABLE_DIRECTORY=/Users/lop/Library/Application Support/proj
 DATABASE_PATH=/opt/homebrew/Cellar/proj/9.8.1/share/proj/proj.db"
 (compiled against PROJ 9.8.1) LIBXML="2.9.13" LIBJSON="0.18"
 LIBPROTOBUF="1.5.2" WAGYU="0.5.0 (Internal)" TOPOLOGY
 }}}
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/6097>
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