[PostGIS] #5989: ST_Distance error on curvepolgyon

[PostGIS]

#5989: ST_Distance error on curvepolgyon
---------------------+---------------------------
 Reporter:  pramsey  |      Owner:  pramsey
     Type:  defect   |     Status:  new
 Priority:  high     |  Milestone:  PostGIS 3.5.4
Component:  postgis  |    Version:  3.2.x
 Keywords:           |
---------------------+---------------------------
 The objects are close together and in a concave, contained arrangement,
 but the distance is definitely non-zero throughout, and the function is
 returning zero.
 {{{
 SELECT
   ST_Distance(
 ST_GeomFromText('MULTISURFACE(CURVEPOLYGON(COMPOUNDCURVE(CIRCULARSTRING(25498687.296406467
 6679794.584487298,25498670.728066746 6679772.920079741,25498652.7219
 6679752.4351),(25498652.7219 6679752.4351,25498649.618
 6679749.1379,25498615.3055 6679712.6856,25498584.874
 6679680.3574),CIRCULARSTRING(25498584.874 6679680.3574,25498575.9211
 6679678.4791,25498571.0593 6679686.228),(25498571.0593
 6679686.228,25498572.5718 6679717.5059,25498572.5935
 6679717.9476,25498572.6156 6679718.3893),CIRCULARSTRING(25498572.6156
 6679718.3893,25498575.9546 6679753.1238,25498582.4167
 6679787.4148,25498582.6547 6679788.418,25498582.8953
 6679789.4206),(25498582.8953 6679789.4206,25498583.4717
 6679791.8086,25498577.35416496 6679793.28540422),(25498577.35416496
 6679793.28540422,25498558 6679652,25498706 6679794,25498687.296406467
 6679794.584487298))))', 3879)
     ,ST_GeomFromText('POLYGON((25498577.925067347
 6679764.376426865,25498577.31346041 6679760.722689815,25498576.736966014
 6679757.06324837,25498576.19563731 6679753.398439955,25498575.68952422
 6679749.72860249,25498575.218673404 6679746.054074359,25498574.783128276
 6679742.375194377,25498574.382929 6679738.692301761,25498574.01811248
 6679735.005736099,25498573.68871235 6679731.315837314,25498573.394758984
 6679727.622945643,25498615.249195762 6679712.917382107,25498649.317714863
 6679749.110582217,25498629.859234665 6679763.425791496,25498626.597285368
 6679765.4664939325,25498616.53215853 6679754.940559511,25498616.475998268
 6679754.899373339,25498616.40912013 6679754.879941631,25498616.33963356
 6679754.884620618,25498577.925067347 6679764.376426865))', 3879)
     ) AS dist
 }}}
 Assigning this to an old milestone, as I think this is probably behaviour
 that dates to the original implementation.
-- 
Ticket URL: <https://trac.osgeo.org/postgis/ticket/5989>
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