FORTRAN to Rust: part 1

Background A while ago I got interested in the Voyager space probes, and specifically the image processing that produced pretty pictures of the planets. I thought it would be fun to learn about and reimplement their processing pipeline. Voyager launched in 1977 and much of their code was written in FORTRAN – a sensible choice at the time. But now it’s the 2020s and I’d much rather use Rust. One…