double-conversion

Fast conversion between double precision floating point and text

https://github.com/bos/double-conversion

Version on this page:	2.0.2.0
LTS Haskell 24.17:	2.0.5.0
Stackage Nightly 2025-10-31:	2.0.5.0
Latest on Hackage:	2.0.5.0

See all snapshots double-conversion appears in

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

This version can be pinned in stack with:double-conversion-2.0.2.0@sha256:934ef2ffa06e196ab7df9e130bedee0228dc54bf879822bc2349624e1dfd38e4,3624

Module documentation for 2.0.2.0

Data
- Data.Double
  - Data.Double.Conversion
    - Data.Double.Conversion.ByteString
    - Data.Double.Conversion.Text

Depends on 4 packages(full list with versions):

base, bytestring, ghc-prim, text

Used by 8 packages in lts-18.22(full list with versions):

bytestring-conversion, elynx-tree, formatting, mcmc, reanimate-svg, text-format, tinylog, type-of-html

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://github.com/bos/double-conversion.git

There’s also a Mercurial mirror:

hg clone https://bitbucket.org/bos/double-conversion

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

Authors

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