# Reliable large integers in C without copyleft

**URL:** <https://discourse.julialang.org/t/reliable-large-integers-in-c-without-copyleft/9202>\
**Category:** Internals & Design\
**Created:** [February 20, 2018, 1:17pm UTC](https://discourse.julialang.org/t/reliable-large-integers-in-c-without-copyleft/9202 "2018-02-20T13:17:18Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![JeffreySarnoff](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/jeffreysarnoff/32/1980_2.png) [@JeffreySarnoff](https://discourse.julialang.org/u/JeffreySarnoff)\
**Post date:** [February 20, 2018, 1:17pm UTC](https://discourse.julialang.org/t/reliable-large-integers-in-c-without-copyleft/9202/1 "2018-02-20T13:17:18Z")

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> **[libtom](https://www.libtom.net/LibTomMath/)**

> **[libtom](https://www.libtom.net/TomsFastMath/)**

fyi

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**Author:** ![ScottPJones](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/scottpjones/32/146_2.png) [@ScottPJones](https://discourse.julialang.org/u/ScottPJones)\
**Post date:** [February 20, 2018, 2:01pm UTC](https://discourse.julialang.org/t/reliable-large-integers-in-c-without-copyleft/9202/2 "2018-02-20T14:01:02Z")

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This is the first piece of heavily used software that I’ve seen that is licensed under the DWTFYW license!  
😀