Mark Dickinson added the comment:
Allowing automatic coercion to and from Decimal sounds dangerous and
complicated to me. Mightn't it be safer just to disallow this (at least for
now)?
I think something like trim() (find the closest rational approximation with
denominator bounded by a given integer) would be useful to have as a Rational
method, but probably only for explicit use.
I'm still worried about equality tests: is it possible to give a good reason
why Decimal("2.5") == Rational(5, 2) should return False, while Rational(5, 2)
== 2.5 returns True. Can someone articulate some workable principle that
dictates when an int/float/complex/Rational/Decimal instance compares equal to
some other int/float/complex/Rational/Decimal instance of possibly different
type but the same numerical value?
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Tracker <[EMAIL PROTECTED]>
<http://bugs.python.org/issue1682>
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