[issue4796] Decimal to receive from_float method

[Mark Dickinson]

Mark Dickinson <dickinsm at gmail.com> added the comment:

> It looks like you and Raymond have rejected #2 but are keeping #1

I'm not against #2, but I'm not particularly for it either.  In any case, 
once you've converted your float to Decimal it's trivial to round it to 
whatever precision you feel like, so #2 seems unnecessary to me.  -0.0.

I am -1.100000000000000088817841970012523233890533447265625 on any 
implementation of from_float (with or without keywords, defaults, etc.) 
for which Decimal.from_float(1.1) gives Decimal('1.1').

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue4796>
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