multi-precision topic
libtommath
LibTomMath is a free open source portable number theoretic multiple-precision integer library written entirely in C.
decimal
A high-performance, arbitrary-precision, floating-point decimal library.
tiny-bignum-c
Small portable multiple-precision unsigned integer arithmetic in C
nim-stint
Stack-based arbitrary-precision integers - Fast and portable with natural syntax for resource-restricted devices.
APA
A C++ library for big integers and dynamic precision floating-point
rsa_embedded
Implementation of RSA encryption in C for embedded 32-bit microprocessors
1024-bit-primes
Rust code to generate 1024-bit primes