[Insight-developers] [Community] FastChamferDistanceImageFilterTest failure with Intel ICPC compiler?

[Matt McCormick]

Hi Kent, Brian,

Is this recent? Related to this patch merged yesterday?

  http://review.source.kitware.com/#/c/13098/1

Thanks,
Matt

On Wed, Oct 23, 2013 at 11:42 AM, Williams, Norman K
<norman-k-williams at uiowa.edu> wrote:
> I notice that there's on Intel ICPC compiler on the nightly dashboards
> under exotics that doesn't show up this error, but I don't know if we're
> using a more recent version or different enough flags to matterŠ I'm using
> the RelWithDebInfo build type.
>
> I already fixed one test that was failing because it expected (and did not
> get) exact equality between floating point values
> (JointDomainImageToListSampleAdaptorTest). I'll put a patch up for that.
>
> But FastChamferDistanceImageFilterTest requires some judgement on the part
> of people who know what it's actually doing.  The results are different:
>
> 500: Band initial size: 0
> 500: Band size: 171536
> 500: Inner positive points: 49496 != 49472
> 500: Inner negative points: 28952 != 28928
> 500: Rest of points: 93088 != 93136
> 500: outweights = 0x2fcbf4c
> 500: Test passed
>
> To me, that looks as though the difference is small enough that both the
> expected answer and what ICPC generates could be reasonable.  But I'm not
> sure how to verify this, nor how exactly to modify the test such that ICPC
> will pass.
>
> Suggestions?
>
> --
> Kent Williams norman-k-williams at uiowa.edu
>
>
>
>
>
>
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