The example is a mixture of two implementations. For example, as you can see from the latest implementation (Astropy 6.0), my_format_float() and overriding astropy.io.fits.card._format_float() are not ...

Latest commit History History 24 lines (22 loc) · 1.81 KB main Breadcrumbs Python_Class1 / ...

As much as I love Python, it sounds like you might be better off writing this in C. I've gone this route myself, even when dealing with way way way less data. If that is not an option, I suggest ...