xhj/embeded-gateway: 网关代码

xhj 4d99525703 first commit		6 月之前
..
common_factor.hpp	4d99525703 first commit	6 月之前
common_factor_ct.hpp	4d99525703 first commit	6 月之前
common_factor_rt.hpp	4d99525703 first commit	6 月之前
extended_euclidean.hpp	4d99525703 first commit	6 月之前
integer_log2.hpp	4d99525703 first commit	6 月之前
integer_mask.hpp	4d99525703 first commit	6 月之前
mod_inverse.hpp	4d99525703 first commit	6 月之前
static_log2.hpp	4d99525703 first commit	6 月之前
static_min_max.hpp	4d99525703 first commit	6 月之前