[MacRuby] #1042: BigMath::log and BigMath:exp are broken

[MacRuby]

#1042: BigMath::log and BigMath:exp are broken
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 Reporter:  hghoehne@…               |       Owner:  lsansonetti@…        
     Type:  defect                   |      Status:  new                  
 Priority:  blocker                  |   Milestone:                       
Component:  MacRuby                  |    Keywords:                       
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Comment(by hghoehne@…):

 Replying to [comment:1 lsansonetti@…]:
 > We need to investigate if it's a float precision issue or another bug.
 it is not a floating point issue:
 {{{
 macruby -ve 'require "bigdecimal/math"; include BigMath; p
 exp(log(BigDecimal("20.0"), 200), 200).to_s("F")'
 MacRuby 0.9 (ruby 1.9.2) [universal-darwin10.0, x86_64]
 "16.682212765135445728579726056096452833034533515555079556957244320033165845148008887123174915662059112635413821896051944861145900807306986139192694748145595129342899638163206001857956245662413278649635"
 }}}

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Ticket URL: <http://www.macruby.org/trac/ticket/1042#comment:3>
MacRuby <http://macruby.org/>