Approximate discrete values and numbers

Version on this page:
LTS Haskell 6.31:
Stackage Nightly 2016-05-25:
Latest on Hackage:
BSD3 licensed by Edward A. Kmett
Maintained by Edward A. Kmett

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This package provides approximate numbers and discrete values with lower bounds on their probability of correctness.

Contact Information

Contributions and bug reports are welcome!

Please feel free to contact me through github or on the #haskell IRC channel on

-Edward Kmett


  • Added support for safecopy 0.9 and cereal 0.5

  • Compiles warning-free on GHC 7.10

  • Bumped cereal bounds


  • Removed the data-default dependency
  • Increased range of supported versions of generic-deriving.


  • Ported Data.Approximate.Numerics from analytics


  • Ported Data.Approximate.Type and Data.Approximate.Mass from analytics
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