[issue4796] Decimal to receive from_float method

[Mark Dickinson]

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

A couple more things:

1. There's a typo 'equilvalent' in the decimal.py part of the patch.

2. Can I suggest using

return d._fix(self)

instead of 

return self.plus(d)

in create_decimal_from_float.  The plus method does two things: rounds 
to the current context *and* converts -0.0 to 0.0; we only want the 
first of these.

(It's always been a source of mild irritation to me that there's no 
public method for simply rounding a Decimal to a given context---i.e., a 
public equivalent of _fix.)

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assignee: marketdickinson -> rhettinger

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<http://bugs.python.org/issue4796>
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