Tag Archives: matlab c coder

Compiling a Matlab C code with GCC/G++

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In this post, I am sharing how to compile a C code generated by Matlab C coder with GCC compiler. Let me explain with an example.

1. Generating a C code with Matlab C coder.

I will use a very simple Matlab code, and the below is the code

function y = add_coder(a,b)
y=a+b

With the Matlab C coder, let’s auto-generate the C code. You have to specify the types of variables and some other options. If you just read the dialog box, it might not be difficult.

As a result, you can see this kind of result. If your Matlab version is not 2015, it might be little different, but its big flow is almost same.

directory_matlab_coder

 

2. Let’s compile the code generated by Matlab C coder

This is my main.cpp file that is modified from the auto-generated main.cpp by Matlab C coder

#include "rt_nonfinite.h"
#include "add_coder.h"
#include "add_coder_terminate.h"
#include "add_coder_initialize.h"
#include "stdio.h"

int main()
{
  /* Initialize the application.
     You do not need to do this more than one time. */
  add_coder_initialize();

  /* Invoke the entry-point functions.
     You can call entry-point functions multiple times. */
  double a=10;
  double b=20.0;
  double y;
  y = add_coder(a, b);
  printf("y: %lf\n",y);

  /* Terminate the application.
     You do not need to do this more than one time. */
  add_coder_terminate();
  return 0;
}

I located this main.cpp file with other all codes.

Now let’s compile all codes. Just compile main.cpp with all other cpp files. like this.

compilation_example

 

I am attaching all related files as a zip file. <Download>

 

Isn’t it easy??!!!

Have a good day~~!