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Showing content from https://github.com/tpapp/cl-num-utils below:

tpapp/cl-num-utils: Numerical utilities, the successor of cl-numlib

This repository is archived. You may find an updated version of these libraries at https://github.com/Lisp-Stat/numerical-utilities

This library implements simple numerical functions for Common Lisp, including

• num=, a comparison operator for floats
• simple arithmeric functions, like sum and l2norm
• elementwise operations for arrays
• intervals
• 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.

When you import both cl-num-utils and 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.

code is still there, but commented out

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