mex not finding eigen library

3 次查看（过去 30 天）
Joseph
Joseph 2018-8-12
编辑： Walter Roberson 2018-8-12
I'm trying to use the Eigen 3.3.5 library with mex using Matlab2018a and OS X 10.13.6 and gcc 4.2.1. I installed it into /usr/local/lib using cmake and also put a symbolic link to it in /usr/local/include. I named the directory eigen. The terminal command gcc -xc -E -v - indicates that /usr/local/include is on the include path for gcc. Nonetheless, the command mex ep_bootdat.c (which has #include <Eigen>) results in "error: 'Eigen' file not found" I've also tried #include <eigen/Eigen> and #include <eigen>. I've also tried mex -I/usr/local/include/eigen/ ep_bootdat.c. Nothing seems to help. Can anyone suggest what might be going wrong?

请先登录，再回答此问题。

采纳的回答

Joseph
Joseph 2018-8-12
编辑：Walter Roberson 2018-8-12
okay, after much mucking around, I found the solution, which was #include <Eigen/Dense> in the .c file and mex ep_bootdat.c -I/usr/local/include/eigen3/ as the Matlab invocation. eigen3 was placed in /usr/local/include by the "make install" command that one is supposed to do after the cmake command, according to the eigen INSTALL documenation.

更多回答（1 个）

Joseph
Joseph 2018-8-12
编辑：Walter Roberson 2018-8-12
footnote - apparently it needs to be C++ (as in ep_bootdat.cc -I/usr/local/include/eigen3/) otherwise it errors out with a:
/usr/local/include/eigen3/Eigen/Core:82:12: fatal error: 'new' file not found
#include <new>

类别

在 Help Center 和 File Exchange 中查找有关 Introduction to Installation and Licensing 的更多信息

标签

产品


版本

R2018a

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by