[postgis-devel] [PostGIS] #735: regress failed

[PostGIS]

#735: regress failed
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  Reporter:  aperi2007  |       Owner:  pramsey      
      Type:  defect     |      Status:  reopened     
  Priority:  medium     |   Milestone:  PostGIS 2.0.0
 Component:  postgis    |     Version:  trunk        
Resolution:             |    Keywords:               
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Comment(by nicklas):

 Yes, strk, I did get stuck with the measures failure we discussed in #703
 with 80 bit vs 64 bit, inside calculations vs variables.

 I cannot understand why it doesn't get truncated to 64bit when I store it
 in a variable and then uses it from there.

 And why can 64 bit Linux and windows handle this but not 32 bit Linux?

 Before we just camouflage this behind some rounding I would like to ask:
 Is there anything special about this precision error. Isn't it likely that
 we have this issue in many places?
 Should I dig deeper in this to solve it, or is it just another precision
 problem.

 /Nicklas

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/735#comment:4>
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