From: Giampiero Zanchi <cidza@...>
Date: 2010-04-28T18:31:45+09:00
Subject: flt gem for arbitrary precision

ciao a tutti (hi to hall)

I just discoverd a gem to have arbitrary precision numbers and want to
share with the forum.

Install the gem with

gem install flt

an example script follows; it computes the square root of 2

require 'flt'
include Flt

DecNum.context.precision = 200

p DecNum(2).sqrt

produces:

DecNum('1.4142135623730950488016887242096980785696718753769480731766797379907324784621070388503875343276415727350138462309122970249248360558507372126441214970999358314132226659275055927557999505011527820605715')

documentation here
http://flt.rubyforge.org/

hope this helps
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