[fdo-trac] #140: Expression Engine: geodetic calculations fix

[FDO]

#140: Expression Engine: geodetic calculations fix
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   Reporter:  danstoica      |       Owner:  danstoica
       Type:  defect         |      Status:  new      
   Priority:  major          |   Milestone:  3.3.0    
  Component:  Utilities API  |     Version:  3.2.0    
   Severity:  3              |    Keywords:           
External_id:                 |  
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 For very small angles a value > 1 is calculated (e.g. 1.0000000000000002)
 and acos() of such value is NaN.

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Ticket URL: <http://trac.osgeo.org/fdo/ticket/140>
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