On Wed, Jan 16, 2013 at 7:30 AM, Patrick Mylund Nielsen <haskell@patrickmylund.com> wrote:

Fun with floating point!

# ghci

GHCi, version 7.4.2: http://www.haskell.org/ghc/  :? for help

Loading package ghc-prim ... linking ... done.

Loading package integer-gmp ... linking ... done.

Loading package base ... linking ... done.

Prelude> 9223372036854775807.0 == 9223372036854775808

True

http://en.wikipedia.org/wiki/Floating_point#Accuracy_problems

On Wed, Jan 16, 2013 at 7:25 AM, ivan dragolov <ivan@dragolov.net> wrote:

9.3 - (2 * 4.5) => 0.3000000000000007

I expected 0.3

?

--

Иван Драголов

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