xhj/embeded-gateway: 网关代码

xhj 4d99525703 first commit		6 kuukautta sitten
..
arithmetic.hpp	4d99525703 first commit	6 kuukautta sitten
cross_product.hpp	4d99525703 first commit	6 kuukautta sitten
determinant.hpp	4d99525703 first commit	6 kuukautta sitten
dot_product.hpp	4d99525703 first commit	6 kuukautta sitten
infinite_line_functions.hpp	4d99525703 first commit	6 kuukautta sitten
normalize.hpp	4d99525703 first commit	6 kuukautta sitten