[Insight-developers] Why is m_NumberOfThreads signed?

[David Doria]

In itkProcessObject, m_NumberOfThreads is declared as an int. Is there a
reason it is not unsigned int?

Simple operations like this:

for ( unsigned int t = 0; t < this->GetNumberOfThreads(); ++t )

currently require casting to prevent signed/unsigned comparison warnings.

Thoughts?

David
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