从 MATLAB 调用 C++ 代码?

问题描述

由于严重依赖模板，我需要用 C++ 编写一些代码.我想从 MATLAB 调用这段代码:基本上，我需要将一些参数传递给 C++ 代码，并让 C++ 代码向 MATLAB 返回一个矩阵.我听说这可以通过名为 MEX 的文件实现，我仍在研究.但是我不确定这些 MEX 文件支持什么.全部是 C++(例如 STL 和 Boost) 支持吗?有多难?

I have some code which I need to code in C++ due to heavy reliance on templates. I want to call this code from MATLAB: basically, I need to pass some parameters to the C++ code, and have the C++ code return a matrix to MATLAB. I have heard this is possible with something called a MEX file which I am still looking into. However I am not sure what is supported in these MEX files. Is all of C++ (e.g. STL and Boost) supported? How difficult is it?

我不需要任何共享库，只需要像 shared_ptr 这样的头文件.

I don't need any shared libraries, just header-only stuff like shared_ptr.

推荐答案

查看 MEX 文件指南，尤其是 C++ 的第 25-27 节.基本的STL/Boost 数据结构应该可以工作，但使用 Boost 进行线程处理可能会出现问题.
cout 在 C++ 中不会按预期工作，必须使用 mexPrintf 代替.

Have a look at the MEX-files Guide, especially Section 25–27 for C++. The basic STL/Boost data structures should work, but threading with Boost could be a problem.
cout will not work as expected in C++, mexPrintf has to be used instead.

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