跨平台压缩和解压zip程序，Windows上和Linux调用不同的dll实现，代码已经封装成一个类。-Cross-platform zip compression and decompression procedures on Windows and Linux call different dll, the code has been packaged into a single class.

C++矩阵处理工具——Eigen3工具包，其内部封装了很多矩阵类，可以在C++环境轻松进行矩阵处理（与操作系统无关，window，linux均可）。(C++ matrix processing tool - Eigen3 toolkit, which encapsulates a lot of matrix classes, can be easily carried out in the C++ environment matrix processing (unrelated to the o