[Insight-developers] Where is 'vnl_abs' declared?

[Patrick Reynolds]

Huai-Ping,

This is my fault. We're fixing it.

Thanks,
Patrick Reynolds
R & D Engineer
Kitware, Inc.
919 869 8848




On Fri, Sep 30, 2011 at 5:33 PM, Huai-Ping Lee <huaiping.lee at kitware.com> wrote:
> Hi,
>
> I keep getting the error message when building ITKv4 on a Linux machine:
> /home/huai-ping/git/ITK/Modules/Video/Core/include/itkRingBuffer.hxx:227:
> error: ‘vnl_abs’ was not declared in this scope
> And a grep in the ITK source tree couldn't find the definition of
> 'vnl_abs' (the line of code above is the only place where 'vnl_abs'
> appears). The weird thing is, on my other Linux machine, this error
> doesn't come up.
>
> I also saw a similar error on the Dashboard
> (http://www.cdash.org/CDash/viewBuildError.php?buildid=1580680):
> 192>d:\dshbrd\itk\modules\video\core\include\itkRingBuffer.hxx(227) :
> error C2668: 'std::abs' : ambiguous call to overloaded function
> It looks like in some version, the 'vnl_abs' is replaced with
> std::abs, but some compilers are still complaining about it.
>
> --
> Huai-Ping Lee
> Kitware, Inc.
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