This library implements simple numerical functions for Common Lisp, including
num=, a comparison operator for floats
- simple arithmeric functions, like
- elementwise operations for arrays
- special matrices and shorthand for their input
- sample statistics
- Chebyshev polynomials
- univariate rootfinding
See the sources and the docstring for more details.
All the functionality has corresponding unit tests.
Symbol conflicts with
When you import both
alexandria, you get symbol conflicts. There are two solutions for this: either import only parts of
cl-num-utils (see the packages named in each file), or shadow some symbols, eg
(cl:defpackage #:my-package (:use #:cl #:alexandria #:cl-num-utils) (:shadowing-import-from #:alexandria #:mean #:variance #:median))
Bugs are tracked on Github, please open an issue if you find one.
finish histogram code, write tests
decide whether recursive indexes are practical
code is still there, but commented out