MATLAB: How to pass function handles to C++ mex function in MATLAB 7.8 (R2009a)

Question

I am looking for an example which demonstrates how to pass a function handle to my C++ mex function.

Answer 1

You can pass function handles to your C++ MEX files and then use “mexCallMatlab” function in C++ code to execute the function handles using the FEVAL command.

Please find the attached “simplefunction.cpp”, which takes two input arguments and returns an output. The types of input arguments are as follows:

a) A function handle

b) A double value

Please follow these steps to run the example:

1) Use the following command to select C++ compiler:

mex -setup

Please note that you have to choose one of the supported and compatible C++ compilers for your version of MATLAB.

2) Create the MEX file and pass the arguments

mex simplefunction.cpp
h = @cos;
x =0.6;
y = simplefunction(h,x);