[Hugs] #68: Subtraction Error

[Hugs]

#68: Subtraction Error
-----------------------+----------------------------------------------------
  Reporter:  neumarcx  |       Owner:  nobody               
      Type:  defect    |      Status:  closed               
  Priority:  major     |   Milestone:                       
 Component:  hugs      |     Version:  200609               
Resolution:  invalid   |    Keywords:  arithmetic operations
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Changes (by ross):

  * resolution:  => invalid
  * status:  new => closed

Comment:

 This is normal behaviour for floating point types in any language: being
 fixed size binary formats, they can represent decimal fractions only
 approximately.  For operations on exact fractions, Haskell provides
 `Rational`.

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Ticket URL: <http://hackage.haskell.org/trac/hugs/ticket/68>
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