[postgis-tickets] [PostGIS] #2168: ST_Distance is not always commutative

PostGIS trac at osgeo.org
Mon Jan 14 04:55:53 PST 2013


#2168: ST_Distance is not always commutative
---------------------------+------------------------------------------------
 Reporter:  realityexists  |       Owner:  pramsey      
     Type:  defect         |      Status:  new          
 Priority:  medium         |   Milestone:  PostGIS 2.1.0
Component:  postgis        |     Version:  trunk        
 Keywords:                 |  
---------------------------+------------------------------------------------

Comment(by robe):

 FWIW: Same issue on my 9.2.2 windows 2008 64-bit


 {{{
 9.31322574615479e-010
 }}}

 However my 9.2.2 32-bit windows 7 32-bit shows this

 {{{
 0
 }}}

 So seems like it might possibly be a 64-bit issue maybe because 64-bit can
 carry more digits (whether it is only windows 64-bit is a different
 matter)

 You don't happen to have a 64-bit Linux you can test with?

-- 
Ticket URL: <http://trac.osgeo.org/postgis/ticket/2168#comment:1>
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