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

[Williams, Norman K]

Completely unrelated.  I tried the old code and got the same results,
which, if you look at the patch, makes sense.  The code is functionally
identical -- the change made was to suppress a warning.


--
Kent Williams norman-k-williams at uiowa.edu






On 10/23/13 10:57 AM, "Matt McCormick" <matt.mccormick at kitware.com> wrote:

>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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