surreal

surreal is a Rust library that implements J. H. Conway's surreal numbers, as explained in the book Surreal Numbers by Donald Knuth. This crate provides an interface to the rules and theorems in the book and (so far) contains:

• a basic surreal type
  • comparison and ordering
  • arithmetic system
• decimal/surreal conversion
  • surreal to float
  • float to surreal
• numbers past aleph day
  • infinite sets
  • constants (ω and ε)
• pseudo-number implementation

$ cargo install surreal