[postgis-devel] [PostGIS] #1305: ST_Azimuth on the spheroid

[PostGIS]

#1305: ST_Azimuth on the spheroid
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  Reporter:  realityexists  |       Owner:  pramsey      
      Type:  enhancement    |      Status:  closed       
  Priority:  medium         |   Milestone:  PostGIS 2.0.0
 Component:  postgis        |     Version:  1.5.X        
Resolution:  fixed          |    Keywords:               
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Comment(by strk):

 Topology relies on NULL being returned by ST_Azimuth(x,x).
 I don't think 0.0 is a valid return as it pretends a point has a
 direction, which it hasn't

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/1305#comment:8>
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