Re: [boost] is_nan

From: Johan Råde (rade_at_[hidden])
Date: 2006-07-25 11:55:47

John Maddock wrote:
> Joe Gottman wrote:
>>   Several libraries have an is_nan() function buried deep in the
>> code.  Are there any plans to make a general is_nan function
>> available?  This would be quite useful, as well as similar functions
>> like is_finite.
> 
> Yes!  I'm working on these and other functions, see 
> http://www.johnmaddock.co.uk/toolkit for a reasonably recent sets of docs, 
> follow the link to floating point classification.
> 
> HTH, John. 
> 
> _______________________________________________
> Unsubscribe & other changes: http://lists.boost.org/mailman/listinfo.cgi/boost
> 

I think John Maddock is well qualified to submit a general is_nan function.

He has obviously thought a lot about floating point arithemtic and 
tested things on several different platforms. He is working on a math 
tool kit library that contains an is_nan function. Maybe he could just 
extract that function and submit it.

--Johan Råde