[Vm-dev] About Float nan comparison patch

Andreas Raab andreas.raab at gmx.de
Fri Jun 12 07:49:55 UTC 2009


David T. Lewis wrote:
> Can you comment as to whether the Mantis 7260 patch for handling Nan
> in the Float comparison primitives should be included in the VMMaker
> package? I think that the answer is yes, but I'm not certain if there
> might be side effects for existing code.

The changes should be included. They won't have an effect on any code 
unless that code is using NaNs in comparisons. And wherever these are 
used the behavior is currently very much undefined and not IEEE754 
compliant.

Cheers,
   - Andreas



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