signaling NaNs and quiet NaNs

[Walter Bright]

Paul D. Anderson wrote:
> 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.
> 


Signaling NaNs have fallen out of favor. No exceptions get raised for them.