C++17 Lib for Big Numbers
This repository has a submodule inside. In order to clone the repo with submodule use
git clone --recursive https://github.com/JaroslawWiosna/BigNumber.git
cd BigNumber
...or if you have already cloned the repo without recursive
flag:
git clone https://github.com/JaroslawWiosna/BigNumber.git
cd BigNumber
git submodule update --init --recursive
Karatsuba alg.
https://gronlier.fr/blog/2015/01/adding-code-coverage-to-your-c-project/