[Python-3000] Math in Python 3.0
"Martin v. Löwis"
martin at v.loewis.de
Sun May 14 08:41:11 CEST 2006
Nick Coghlan wrote:
> Py3k's function overloading should fix this:
>
> @overloaded
> def sqrt(value):
> raise TypeError("Cannot take square root of %s" % type(value).__name__)
>
> @sqrt.overload
> def sqrt_float(value : float):
> return math.sqrt(value)
>
> @sqrt.overload
> def sqrt_complex(value : complex):
> return cmath.sqrt(value)
>
> @sqrt.overload
> def sqrt_decimal(value : decimal):
> return value.sqrt()
>
> # Similar overloads can be added for the types in gmpy and numpy.
So where would that sqrt function live? I hope you are not proposing it
becomes a builtin - I dearly wish there were fewer builtins, not more.
Regards,
Martin
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