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C++ class library for numbers

CLN is a C++ class library for numbers: integers, rational, float, complex, modular integer. It implements elementary, logical, transcendental functions. Unlimited precision, 100 million digits are no problem. Easy to use because of algebraic syntax and automatic memory management.


User manual available from


version 1.3.4 (stable)
released on 16 October 2014

VCS Checkout


Related Projects

  • GiNaC
  • License:CINT
  • GTybalt
  • Hfloat


LicenseVerified byVerified onNotes
License:GPLv2orlaterGenium30 January 2016

Leaders and contributors

Alexei Sheplyakov Maintainer

Resources and communication

AudienceResource typeURI
DeveloperVCS Repository Webview
Bug Tracking,Developer,

Software prerequisites

Required to buildGNU g++ 2.95 or newer
Required to buildmake
Weak prerequisitesed (for HP-UX)
Required to usegmp 3.x

This entry (in part or in whole) was last reviewed on 30 January 2016.


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