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Re: view/edit large files


From: Eli Zaretskii
Subject: Re: view/edit large files
Date: Tue, 10 Feb 2009 13:50:46 +0200

> From: Miles Bader <address@hidden>
> Cc: address@hidden, address@hidden, address@hidden
> Date: Tue, 10 Feb 2009 19:02:55 +0900
> 
> Eli Zaretskii <address@hidden> writes:
> >> "floats" can exactly represent integers if the integer quantity fits
> >> within the mantissa.  For an IEEE double, that's 52 bits, which is
> >> enough for many uses
> >
> > Right, but is it enough in this case?  I don't know, it all depends on
> > what kind of time resolution is needed.  Also, time values are
> > frequently used in arithmetic operations that could lose a few low
> > bits.
> 
> If it's an integer, and it fits, it's exact -- there is no loss of precision.

I was talking about arithmetic operations such as multiplication by
small factors, such as 2, in case it wasn't clear.




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