msalib

Ah, sorry for the confusion then! And I totally appreciate `stack` taking advantage of different layouts for performance wins, but some comment in the documentation to that effect would be...

Converting a reference to a single element slice can be done without copying though using [std::slice::from_ref](https://doc.rust-lang.org/stable/std/slice/fn.from_ref.html). I think that slices of references are awkward to handle, so maybe instead of...

One thing that would make our life easier on CI is [`cargo-deny``](https://github.com/EmbarkStudios/cargo-deny); it doesn't seem to link to openssl or anything interesting (except zlib), so it should play nicely with...

Ah, but calling `densify(30.)` on the inputs prevents the panic. (This is for a zonal summary system where the pixel size is 30, so I don't care about anything less...