[erlang-bugs] Please ignore the previous post

Matthew Dempsky <>
Thu May 15 19:04:28 CEST 2008

2008/5/15 John Haugeland <>:
> As many are now pointing out, my error is that floating point is a limited
> accuracy medium.  I was under the misimpression that Erlang had infinite
> precision libraries in use for all numeric types; this turns out only to be
> true of integers.

Assuming you're referring to the post about math:pow(2, 56) vs.
math:pow(2, 57), those people are wrong unless you're using an
computer that does not use IEEE floating point numbers.  IEEE-754 can
exactly represent powers of 2 (constrained by limitations of the

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