Fast conversion between double precision floating point and text

Version on this page:
LTS Haskell 15.14:
Stackage Nightly 2020-05-26:
Latest on Hackage:

See all snapshots double-conversion appears in

BSD-3-Clause licensed and maintained by Bryan O'Sullivan

Module documentation for

This version can be pinned in stack with:[email protected]:880879ad1d1e00f5ea0d80f292b13fada10c30f501f18e0506f6408a3836d01c,3535
  • Data
    • Data.Double
      • Data.Double.Conversion
        • Data.Double.Conversion.ByteString
        • Data.Double.Conversion.Text

Welcome to double-conversion

double-conversion is a fast Haskell library for converting between double precision floating point numbers and text strings. It is implemented as a binding to the V8-derived C++ double-conversion library.

Join in!

We are happy to receive bug reports, fixes, documentation enhancements, and other improvements.

Please report bugs via the github issue tracker.

Master git repository:

  • git clone git://

There’s also a Mercurial mirror:

  • hg clone

(You can create and contribute changes using either git or Mercurial.)


This library is written and maintained by Bryan O’Sullivan, [email protected].

Used by 1 package in lts-0.7(full list with versions):