signaling NaNs and quiet NaNs

Paul D. Anderson paul.d.removethis.anderson at comcast.andthis.net
Mon Sep 1 12:08:55 PDT 2008


dennis luehring Wrote:

> on http://en.wikipedia.org/wiki/IEEE_754 they talk about
> 
> quiet and singnaling NaNs - which of these supports D and how?
> 
> do i get an execption when a signaling NaN occure?
> 
> ciao dennis

Walter can give the definitive answer but I'm pretty sure that (at the moment) D does not use signaling NaNs. That is, any signaling NaNs that occur are only visible as quiet NaNs, and therefore, no exceptions are thrown.




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