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Re: decimal to fraction

by Laurent_R (Canon)
on Sep 24, 2017 at 11:48 UTC ( #1199989=note: print w/replies, xml ) Need Help??

in reply to decimal to fraction

The same with Perl 6:
> say 0.421875.nude (27 64) >
Note: nude stands for numerator-denominator.

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Re^2: decimal to fraction
by no_slogan (Deacon) on Sep 24, 2017 at 15:30 UTC
    > 0.49420098210293.nude (49420098210293 100000000000000) > 0.49420098210293.Num().Rat(1e-15).nude (463051 936969)
    Yay Perl6. Took me a while to figure out the magic incantation, because the Perl6 documentation is nigh incomprehensible. Also, Rat() ignores the epsilon parameter if it's called on a rational. Sometimes, you'd like to find a fraction that's an approximation of another fraction without mashing it down to a float first.

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