MEX function cannot be called without its file extension.

Question

Agapi Dav 2018-9-12

评论： Thanaphong Phongpreecha 2019-7-17

Hello everyone!

I was trying to run a code in Linux that in Windows runs without any error. It outputs an error “Undefined function or variable 'convConst'.”

The convConst function is a MEX file and solutions suggested to add the folder in the path.

I used “addpath” and added the folder to the path, but the problem remains.

When I use “which convConst” I have the following outputs:

>> which convConst

convConst' not found.

>> which convConst.cpp

/home/chung/Documents/agapi/Other_approaches/02_DehazeNet/DehazeNet-master/convConst.cpp

>> which convConst.mexw64

/home/chung/Documents/agapi/Other_approaches/02_DehazeNet/DehazeNet-master/convConst.mexw64

Any ideas on how to fix the problem?

I use Matlab R017b and Linux Mint 19.

Answer 1

Agapi Dav 2018-9-12

Ok, I found the solution. The file extension of the MEX file indicated that it should be compiled in Linux.

Thus, I used the command mex followed by the path of the .cpp file and it compiled perfectly. Now the function is callable when I type "convConst".

Cheers!

Thank you for posting your solution, saved me a ton of time.