Yes. One of those problems with no neat solution, and worse no performant one. :) You might find this bit of performance engineering interesting: https://git

Yes. One of those problems with no neat solution, and worse no performant one. :) You might find this bit of performance engineering interesting: https://github.com/timschmidt/hyperreal/blob/8a016808f4b0ba3f7bff4cb96154353a6bd17af9/src/rational/arithmetic.rs#L703 https://github.com/timschmidt/hyperreal/blob/8a016808f4b0ba3... The matrix math layer wanted that kind of optimization to avoid worst case operations.