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: 2012年3月13日 09:37:23 +0100

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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

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