thi.ng/math

Contents

About the project
- Description
- Leiningen coordinates
  - Stable
Namespaces
Tests
Project definition

About the project

Description

A small library providing a Clojure/Clojurescript compatible collection of maths related protocols, general math functions, bit manipulation functions, as well as macros to produce inline expanded, nested expressions to create more legible source code for involved maths and to avoid extraneous reduce calls caused by the higher arity versions of Clojure’s built-in maths functions.

The macros are useful to simplify code for many geometry & matrix operations and are defined for both Clojure & ClojureScript.

The protocols defined here are used by a number of other thi.ng projects, incl. thi.ng/color, thi.ng/geom, thi.ng/morphogen.

Note: This library relies on the new conditional reader syntax of recent Clojure & Clojurescript versions and therefore is not compatible with Clojure versions < 1.7.0…

Leiningen coordinates

Stable

[thi.ng/math "0.3.1"]

Namespaces

Tests

Project definition

Injected properties

0.3.1

Dependencies

Runtime

Clojure

[org.clojure/clojure "1.11.1"]

ClojureScript

[org.clojure/clojurescript "1.11.4"]

thi.ng/typedarrays

[thi.ng/typedarrays "0.1.7"]

Development

Criterium

[criterium "0.4.6"]

clojurescript.test

[com.cemerick/clojurescript.test "0.3.3"]

Cljsbuild

[lein-cljsbuild "1.1.8"]

Building this project

This project is written in a literate programming format and requires Emacs & Org-mode to generate usable source code. Assuming both tools are installed, the easiest way to generate a working project is via command line (make sure emacs is on your path or else edit its path in tangle.sh):

git clone https://github.com/thi.ng/math.git
cd math
./tangle.sh src/*.org test/*.org

Tangling is the process of extracting & combining source blocks from .org files into an actual working project/source tree. Once tangling is complete, you can cd into the generated project directory (babel) and then use lein as usual.

Testing

The project.clj file defines an alias to trigger a complete build & tests for both CLJ & CLJS versions.

cd babel
lein cleantest

To build the Clojurescript version simply run lein cljsbuild test from the same directory. A small HTML harness for the resulting JS file is also located in that folder (babel/index.html), allowing for further experimentation in the browser.

Working with the REPL

Editing code blocks or files in Org-mode, then re-loading & testing changes is quite trivial. Simply launch a REPL (via lein or Emacs) as usual. Everytime you’ve made changes to an .org file, re-tangle it from Emacs (C-c C-v t) or tangle.sh, then reload the namespace in the REPL via (require 'thi.ng.math... :reload) or similar.

Leiningen project file

(defproject thi.ng/math "<<version>>"
  :description  "CLJ/CLJS math functions, macros & utilities"
  :url          "<<project-url>>"
  :license      {:name "Apache Software License 2.0"
                 :url "http://www.apache.org/licenses/LICENSE-2.0"
                 :distribution :repo}
  :scm          {:name "git"
                 :url "git@github.com:thi-ng/math.git"}

  :min-lein-vesion "2.4.0"

  :dependencies [<<dep-clj>>
                 <<dep-cljs>>
                 <<dep-tarrays>>]

  :profiles     {:dev {:dependencies [<<dep-criterium>>]
                       :plugins      [<<dep-cljsbuild>>
                                      <<dep-cljs-test>>]
                       :global-vars  {*warn-on-reflection* true}
                       :jvm-opts     ^:replace ["-Dclojure.compiler.direct-linking=true"]
                       :aliases      {"cleantest" ["do" "clean," "test," "cljsbuild" "test"]}}}

  :cljsbuild    {:builds [{:id           "simple"
                           :source-paths ["src" "test"]
                           :compiler     {:output-to "<<cljs-artefact-path>>"
                                          :optimizations :whitespace
                                          :pretty-print true}}]
                 :test-commands {"unit-tests" ["phantomjs" :runner "<<cljs-artefact-path>>"]}}

  :pom-addition [:developers
                 [:developer
                  [:name "Karsten Schmidt"]
                  [:url "https://thi.ng"]
                  [:timezone "0"]]])

ClojureScript HTML harness

<!DOCTYPE html>
<html lang="en">
  <head>
    <title><<lein-coords>> test</title>
  </head>
  <body>
    <script type="text/javascript" src="<<cljs-artefact-path>>"></script>
  </body>
</html>

Accessing library version during runtime

The autogenerated namespace thi.ng.math.version contains a single symbol version holding the version string defined above:

(use '[thi.ng.math.version])

(prn version)
; "<<version>>"

Version namespace

Release history

Version	Released	Description	Lein coordinates	Tagged Github URL
0.3.1	2022-04-23	update deps	`[thi.ng/math "0.3.1"]`	0.3.1
0.2.1	2016-03-19	update typedarrays dependency	`[thi.ng/math "0.2.1"]`	0.2.1
0.2.0	2016-03-17	add protocols, minor refactorings	`[thi.ng/math "0.2.0"]`	0.2.0
0.1.4	2015-06-17	add interpolation fns, minor refactoring	`[thi.ng/math "0.1.4"]`	0.1.4
0.1.3	2015-06-08	add interpolation fns	`[thi.ng/math "0.1.3"]`	0.1.3
0.1.2	2015-06-05	update deps, add gamma fns	`[thi.ng/math "0.1.2"]`	0.1.2
0.1.1	2015-05-27	add bit manipulations	`[thi.ng/math "0.1.1"]`	0.1.1
0.1.0	2015-05-25	initial test release	`[thi.ng/math "0.1.0"]`	0.1.0

Contributors

Name	Role	Website
Karsten Schmidt	initiator & principal developer	https://thi.ng

I’ve got a fairly detailed roadmap and task list to implement over the coming months, but am always happy to receive feedback & suggestions and have issues filed. Once the core engine is more refined I’ll be gladly welcoming other contributions. Thanks for understanding!

License

This project is open source and licensed under the Apache Software License 2.0.

License

WhimsicalCode/thi.ng.math

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