How can I use C extensions in Cython?

How can I use C extensions in Cython?

You can use C extensions in Cython by creating a .pyx file and declaring your C functions using Cython's cdef.

Can you give me a simple example of that?

Sure! First, create a C file with your functions, then in your .pyx file, declare them with cdef and use them in your Python code.

What do I need to compile the Cython code?

You'll need a C compiler and a setup.py file to build your Cython module. You can use setuptools for that.

Is there any performance benefit to using C extensions?

Yes, using C extensions can significantly improve performance for computationally intensive tasks by leveraging C's speed.