Function "base" bug

Calling `base` with negative first parameter causes memory overflow on desktop and exception on web How to reproduce: `base(-4, 10)` Desktop: <img width="1280" height="308" alt="Image" src="https://github.com/user-attachments/assets/3b561a43-cd3c-4c81-bcae-2d3fcad40b66" /> Web: <img width="826" height="450" alt="Image" src="https://github.com/user-attachments/assets/dafe9ad5-789d-4892-9143-df44374e8575" /> System - Ubuntu 24.04.2 LTS Browser - Firefox 147.0.3