Georgi Guninski on Fri, 16 Feb 2024 16:56:17 +0100


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Re: Numerical instability in extracting base B digits of the fractional part of real 

On Fri, Feb 16, 2024 at 1:20 PM Bill Allombert
<Bill.Allombert@math.u-bordeaux.fr> wrote:
>
> ? a=.33
> %6 = 0.33000000000000000000000000000000000000
> ? a*10-3
> %7 = 0.30000000000000000000000000000000000000
> ? b=a*10-3
> %8 = 0.30000000000000000000000000000000000000
> ? b*10-3
> %9 = -2.350988701644575016E-38
>

Thanks. Why I don't see -2.350988701644575016E-38 in my session?
It must be there, since you unrolled the first two iterations of
the loop.