Re: [boost] New Boost.XInt Library

Subject: Re: [boost] New Boost.XInt Library
From: Stewart, Robert (Robert.Stewart_at_[hidden])
Date: 2010-03-31 07:46:20

Chad Nelson wrote:
> On 03/30/2010 07:42 PM, Peter Dimov wrote:
>
> > Besides, the problem introduced by the NaN, that every
> > function taking a
> > xint must be prepared to receive it, is not affected by the
> > number of functions that produce NaNs.
>
> Why is that a problem? It's only library functions that need to be
> prepared to receive a NaN, functions built on top of XInt can ignore
> them and let the library catch them.

A function taking an xint has to decide for itself how NaNs should be treated.  Will that function emit XInt exceptions?  Will it translate those exceptions?  Will it handle NaN inputs via an alternate code path?

_____
Rob Stewart                           robert.stewart_at_[hidden]
Software Engineer, Core Software      using std::disclaimer;
Susquehanna International Group, LLP  http://www.sig.com

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