[Python-Dev] float.decode()? (original) (raw)

Alex Martelli aleax@aleax.it
Tue, 16 Apr 2002 00:05:39 +0200

On Monday 15 April 2002 23:56, Neil Schemenauer wrote:

Common Lisp has a function called decode-float:

(decode-float float) => significand, exponent, sign ... How hard would it be to write a method like this for Python floats? I

You mean something like:

import math def decode_float(f): m, e = math.frexp(f) mabs = math.fabs(m) return mabs, e, mabs and (m/mabs)

or am I missing something?

Alex