https://github.com/OdonataResearchLLC/floating-point.git
git clone 'https://github.com/OdonataResearchLLC/floating-point.git'
(ql:quickload :floating-point)
floating-point
floating-point is a Common Lisp library with functions for calculating the error between and predicates for determining the equality of 2 floating point numbers. The routines were originally developed for lisp-unit, but are generally useful and warranted a separate package.