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From: Carlos Nepomuceno <carlosnepomuceno@outlook.com>
To: "python-list@python.org" <python-list@python.org>
Subject: RE: Short-circuit Logic
Date: Tue, 28 May 2013 12:32:20 +0300
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----------------------------------------=0A=
> Date: Tue=2C 28 May 2013 01:39:09 -0700=0A=
> Subject: Re: Short-circuit Logic=0A=
> From: abdulshafy@gmail.com=0A=
[...]=0A=
>> What Steven wrote is entirely correct: sys.float_info.epsilon is the=0A=
>>=0A=
>> smallest value x such that 1.0 and 1.0+x have distinct floating-point=0A=
>>=0A=
>> representations. It has no relevance for comparing to zero.=0A=
>=0A=
> He just said that the way to test for zero equality is x =3D=3D 0=2C and =
I meant that this is true for integers but not necessarily for floats. And =
that's not specific to Python.=0A=
=0A=
=0A=
Have you read [1]? There's a section "Infernal Zero" that discuss this prob=
lem. I think it's very interesting to know! =3B)=0A=
=0A=
Just my 49.99999999999998=A2! lol=0A=
=0A=
=0A=
[1] http://randomascii.wordpress.com/2012/02/25/comparing-floating-point-nu=
mbers-2012-edition/ 		 	   		  =