Refactoring code

What does it mean to refactor code?

Code refactoring is changing the factoring without changing the functionality. This includes changing the code’s design, structure, or exact implementation.

Changing the factoring means changing the code, making it cleaner, easier to maintain, perform better, and not duplicate code. The trigger might be code smells. Code smells are redundant code, large functions, or classes, having to change code in a multitude of locations when you need to change one thing.

Refactoring is done by making many small changes to avoid creating new bugs

[Wiki_refactoring, ChatGPT]. However, refactoring can involve major changes too.

Let’s get ChatGPT to make some purposefully bad code to compress time series data with discrete cosine transforms, DCT. DCT is the sort of compression used in the best and most widely used data compression algorithms. It is lossy compression, so the signal might be partially lost, not just the...