[ITK-dev] [ITK-users] Error conversion from

[Lowekamp, Bradley (NIH/NLM/LHC) [C]]

This error message is suppose to be an improvement from the default to indicate why the code/filter does not work with the template parameters you selected. 

Here is the key part:
> itk::Concept::IsFloatingPoint<short int>::Constraints::False


This a a concept check to verify the template parameter is a floating point type which is required by the algorithm/filter/code. The type “short int” is not a floating point type, so it generates a compilation error.

I have no clue what is causing it, as you didn’t include any code :)

If you look at the all error messages it should indicate the origin of the error. Most likely the cause is: you provided a "short" type for a template parameter (or image type) to a filter or algorithm which requires a floating point type.

HTH,
Brad

> On Dec 14, 2016, at 8:56 AM, Nico Del Piano <ndel314 at gmail.com> wrote:
> 
> Hello ITK community,
> 
> I'm struggling with an error and I don't understand why it's happening:
> 
> 
> /usr/local/include/ITK-4.11/itkConceptChecking.h:796:28: error:
> conversion from ‘itk::Concept::IsFloatingPoint<short
> int>::Constraints::FalseT {aka
> itk::Concept::Detail::UniqueType_bool<false>}’ to non-scalar type
> ‘itk::Concept::IsFloatingPoint<short int>::Constraints::IntegralT {aka
> itk::Concept::Detail::UniqueType_bool<true>}’ requested
>      IntegralT a = FalseT();
>                           ^
> /usr/local/include/ITK-4.11/itkConceptChecking.h:797:28: error:
> conversion from ‘itk::Concept::IsFloatingPoint<short
> int>::Constraints::FalseT {aka
> itk::Concept::Detail::UniqueType_bool<false>}’ to non-scalar type
> ‘itk::Concept::IsFloatingPoint<short int>::Constraints::ExactT {aka
> itk::Concept::Detail::UniqueType_bool<true>}’ requested
>      ExactT    b = FalseT();
> 
> 
> Any hint of what could be causing this? If you need the whole error I
> can paste it.
> 
> Thanks,
> 
> Nico.
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