[postgis-devel] [PostGIS] #1296: regression make check failure with ST_MapAlgebraFctNB

[PostGIS]

#1296: regression make check failure with  ST_MapAlgebraFctNB
----------------------------+-----------------------------------------------
 Reporter:  robe            |       Owner:  pracine      
     Type:  defect          |      Status:  new          
 Priority:  high            |   Milestone:  PostGIS 2.0.0
Component:  postgis raster  |     Version:  trunk        
 Keywords:                  |  
----------------------------+-----------------------------------------------
 I think this may just be a rounding issue.  On my 9.1 windows build, its
 failing and diff is:


 {{{
 --- rt_mapalgebrafctngb_expected        Mon Nov 14 19:45:23 2011
 +++ /tmp/pgis_reg_232/test_44_out       Mon Nov 14 20:02:47 2011
 @@ -12,7 +12,7 @@
  t|t
  t|t
  t|t
 -NOTICE:  Value set for 4BUI band got clamped from
 -340282346638528859811704183484516925440.000000 to 0
 +NOTICE:  Value set for 4BUI band got clamped from
 -340282346638528860000000000000000000000.000000 to 0
  NOTICE:  Value set for 4BUI band got clamped from 18.000000 to 15
  NOTICE:  Value set for 4BUI band got clamped from 18.000000 to 15
  NOTICE:  Value set for 4BUI band got clamped from 18.000000 to 15
 @@ -79,7 +79,7 @@
  NOTICE:  Value set for 4BUI band got clamped from 18.000000 to 15
  t|t
  t|t
 -NOTICE:  Value set for 2BUI band got clamped from
 -340282346638528859811704183484516925440.000000 to 0
 +NOTICE:  Value set for 2BUI band got clamped from
 -340282346638528860000000000000000000000.000000 to 0
  NOTICE:  Value set for 2BUI band got clamped from 9.000000 to 3
  NOTICE:  Value set for 2BUI band got clamped from 9.000000 to 3
  NOTICE:  Value set for 2BUI band got clamped from 9.000000 to 3
 }}}

 I'll have to double check my 9.0 and 8.4 builds.

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Ticket URL: <http://trac.osgeo.org/postgis/ticket/1296>
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