BigInt vs LibTomMath

BigInt

C library for operations with integers of arbitrary size (by dandclark)

LibTomMath

LibTomMath is a free open source portable number theoretic multiple-precision integer library written entirely in C. (by libtom)

Math Mpi Libtommath C multi-precision

Source Code

libtom.net

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BigInt		LibTomMath
	Project
2	Mentions	2
21	Stars	629
-	Growth	1.3%
4.3	Activity	8.0
6 months ago	Latest Commit	12 days ago
C++	Language	C
MIT License	License	GNU General Public License v3.0 or later

The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

BigInt

Posts with mentions or reviews of BigInt. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-08-24.

How to convert a large decimal number in string form to base 2^16 in C?
3 projects | /r/learnprogramming | 24 Aug 2022
How can I support very big integers?
6 projects | /r/ProgrammingLanguages | 22 Sep 2021

LibTomMath

Posts with mentions or reviews of LibTomMath. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-08-24.

How to convert a large decimal number in string form to base 2^16 in C?
3 projects | /r/learnprogramming | 24 Aug 2022
A language that lets you use large numbers
1 project | /r/AskComputerScience | 25 Oct 2021

If you want arbitrary-precision arithmetic in C, you can use libtommath.

What are some alternatives?

When comparing BigInt and LibTomMath you can also consider the following projects:

ric-script - A modern scripting language; implemented in old school C, yacc & flex

TinyExpr - tiny recursive descent expression parser, compiler, and evaluation engine for math expressions

gmp-wasm - Fork of the GNU Multiple Precision Arithmetic Library (GMP), suitable for compilation into WebAssembly.

blaze

QuantLib - The QuantLib C++ library

MIRACL - MIRACL Cryptographic SDK: Multiprecision Integer and Rational Arithmetic Cryptographic Library is a C software library that is widely regarded by developers as the gold standard open source SDK for elliptic curve cryptography (ECC).

Boost.Multiprecision - Boost.Multiprecision

muparser - muparser is a fast math parser library for C/C++ with (optional) OpenMP support.

metamath - Meta mathematics. Symbolic functions and derivatives.

Versor - [older version] Versor 1.0 C++ library for conformal geometric algebra draw routines

Justinbobia - The Configurable Math Library

Apophenia - A C library for statistical and scientific computing