<tt>rational</tt>: a library for exact arithmetic with rational numbers

Compile with

-fsanitize=undefined,integer -fno-sanitize-recover=undefined,integer

Copyright: Copyright (c) 2016, Alan R. Rogers roger.nosp@m.s@an.nosp@m.thro..nosp@m.utah.nosp@m..edu. This file is released under the Internet Systems Consortium License, which can be found in file "LICENSE".