Install ruby-multibitnums by entering the following commands in the terminal:
sudo apt update sudo apt install ruby-multibitnums
Description:
extension library for integers with arbitrary bit lengths
Multibitnums is Ruby class library, handling multiple multi-bit data packed in a C string. The number of bits is fixed to an arbitrary value. For example, it can accommodate 11-bit integers.
Homepage: http://www.gfd-dennou.org/library/ruby/products/multibitnums/
Version: 0.1.4-2build8
Section: universe/ruby