[Insight-developers] LabelObject::ConstIndexIterator compiler warnings?

[Williams, Norman K]

I found this by adding -Wall -Wextra and doing an experimental build.


/.../ITK/Modules/Filtering/LabelMap/include/itkLabelMapToLabelImageFilter.h
xx:52: warning: 'it.itk::LabelObject<long unsigned int,
2u>::ConstIndexIterator::m_Index.itk::Index<2u>::m_Index[1u]' may be used
uninitialized in this function

there are 220 warnings that you get with those flags and they all seem to
stem from the curiously semi-un-ITK-ish class
LabelObject::ConstIndexIterator.


Leaving off for now the fact that it's a nested cast with a name
inconsistent with the rest of ITK...

It looks as though this warning is a false positive -- any time the index
might actually be used, it is also set to a resonable value.

But is it worth it to add code to initialize it? Or is there a free or low
computational cost way to restructure this class such that the warning
goes away?

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






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