Raymond Hettinger wrote:
...
> There should be a builtin variable (overriddable within some inner scope)
> for a maximum denominator magnitude. It should default to some value
> where performance tanks. If set to None, then no limit would apply.
>
> The HP32SII calculator implements a useful rational model using
> flags and a maximum denominator register. If the first flag is clear,
> fractions are have denominators upto the maximum value. If only
> the first flag is set, fractions always use the maximum denominator
> as the denominator and are then reduced (i.e. if the max is 8, then
> .5 is represented as 1/2 and .1 is represented as 1/8).
Makes very much sense to me.
--
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