[vtk-developers] Undefined Behavior in vtkPointLocator.h

Sean McBride sean at rogue-research.com
Wed Jan 10 17:01:12 EST 2018

On Wed, 10 Jan 2018 16:46:51 -0500, Mmanu Chaturvedi said:

>On building VTK with UBSan, and running the following test:
>`ctest -VV -R vtkInteractionWidgetsCxx-TestPlaneWidget`
>UBSan produces runtime errors due to the casting done in lines 282 --- 284,
>similar to this:
>runtime error: value -1.81708e+299 is outside the range of representable
>values of type 'long long'
>I believe one way to solve the problem would be to do something like the
>But this increases the test's time significantly.
>I was wondering if someone could propose a proper fix.
>vtkTypeId --

This gives me deja vu... I believe this is related:



Sean McBride, B. Eng                 sean at rogue-research.com
Rogue Research                        www.rogue-research.com 
Mac Software Developer              Montréal, Québec, Canada

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