g++ *.cpp -lstdc++fs -pthread && ./a.out [length] [force] [torque] [max_mode] [# of threads]
g++ -I/opt/homebrew/Cellar/boost/1.79.0_1/include -I/opt/homebrew/Cellar/eigen/3.4.0_1/include *.cpp -std=c++14
(notice the boost version may update over time)