`pyxel.sqrt(0)` returns 1.7976931348623157e+308
At least on the latest version of Pyxel (`2.0.7`), `pyxel.sqrt(0)` returns `1.7976931348623157e+308` instead of 0, which seems like a bug. To reproduce this issue, run:

```python
import pyxel

pyxel.init(8, 8, "Test")
# ...
print(pyxel.sqrt(0))
```

This bug was pointed previosly on Discord, but I opened this ticket to track the bug progress :wink: