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Today is Prickle-Prickle, the 33rd day of Confusion, in the YOLD 3188.

Day: January 9, 2020

Reminder: addition of floating point numbers is NOT associative

Posted on January 9, 2020January 6, 2020 by Daniel Kirstenpfad

Reminder: addition of floating point numbers is NOT associative… (0.1 + 0.2) + 0.3 ≠ 0.1 + (0.2 + 0.3) …and this is true in basically _any_ language that uses floating point numbers. Here it is in javascript in the browser console:

Mark Kriegsman on Twitter
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