[Insight-developers] Problems with vnl_math_rnd

[Lorensen, William E (GE, Research)]

I checked in a change today in the CVS head. I'll see how things go
tonight...
 

-----Original Message-----
From: insight-developers-bounces+lorensen=crd.ge.com at itk.org
[mailto:insight-developers-bounces+lorensen=crd.ge.com at itk.org] On
Behalf Of Luis Ibanez
Sent: Monday, November 13, 2006 9:06 AM
To: Lorensen, William E (GE, Research)
Cc: insight-developers at itk.org
Subject: Re: [Insight-developers] Problems with vnl_math_rnd


Hi Bill,


Now that the release has been tagged, and the repository is still under
control, would you like to commit the fixes for the vnl_math_rnd problem
?


It will be nice to solve the known issues before we allow new changes to
go into the toolkit.



    Luis


------------------------------------------
Lorensen, William E (GE, Research) wrote:
> Folks,
> 
> Fisrt of all, this is not critical for the release.
> 
> I was tracing down some test failues on windows vs70 and vs71. There 
> are three related tests that are failing:
> 
> itkInterpolateTest, ResampleImageFilter3Test1 and 
> ResampleImageFilter9Test.
> 
> Vnl_math_rnd uses assember code to round floating point numbers for 
> some windows compilers. Apparently, these round up on .5 rather than 
> rounding down. I temporary replaced the vnl_math_rnd call in 
> itkImageFunction with a C version and all of the three tests passed.
> 
> We should look at this after the release. It only affecte nearest 
> neighborhood calculations.
> 
> Bill
> 
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> 
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