why 0.1+0.2-0.3~=0

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Subject: why 0.1+0.2-0.3~=0
From: Karol Bielecki <karol.bielecki@...>
Date: Tue, 13 Mar 2012 09:37:23 +0100

in my program and on the website http://www.lua.org/cgi-bin/demo


tmp=0.1+0.2-0.3
print(tmp)

gives

5.5511151231258e-17

Follow-Ups:
- Re: why 0.1+0.2-0.3~=0, Alexander Gladysh
- Re: why 0.1+0.2-0.3~=0, Luiz Henrique de Figueiredo

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