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

On 2024-02-22 13:35, Georgi Guninski wrote:
> Bugs me both constants have exact decimal representation and when I
> display them on screen I get the exact decimal value with ?zero?
> epsilon:
> ? 0.33
> %1 = 0.33000000000000000000000000000000000000
>
> Does this mean I can't trust the decimal form?


Be aware that they are of different types:

? 0.33 == 33/100
%1 = 1

? 0.33 === 33/100
%2 = 0


? 33/100
%3 = 33/100

? 33/100.
%4 = 0.33000000000000000000000000000000000000

-- Ruud