Approximate discrete values and numbers

Version on this page:
LTS Haskell 19.8:0.3.5
Stackage Nightly 2022-05-20:0.3.5
Latest on Hackage:0.3.5

See all snapshots approximate appears in

BSD-3-Clause licensed by Edward A. Kmett
Maintained by Edward A. Kmett
This version can be pinned in stack with:approximate-,2604

Module documentation for

  • Data
    • Data.Approximate
      • Data.Approximate.Mass
      • Data.Approximate.Numerics
      • Data.Approximate.Type


Build Status

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


  • 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