double-conversion

Fast conversion between single and double precision floating point and text

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

Version on this page:	2.0.4.2@rev:2
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-2.0.4.2@sha256:434ab71f299057fa6aa6d45a3fae050aea570bac8aa399becbacbc2b2ae9f6d6,4840

Module documentation for 2.0.4.2

Data
- Data.Double
  - Data.Double.Conversion

Depends on 4 packages(full list with versions):

base, bytestring, ghc-prim, text

Used by 5 packages in lts-20.12(full list with versions):

bytestring-conversion, formatting, reanimate-svg, redis-resp, 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/haskell/double-conversion

Authors

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