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@thi.ng/random

1.4.4 • Public • Published

random

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This project is part of the @thi.ng/umbrella monorepo.

About

Pseudo-random number generators w/ unified API.

This package provides the IRandom interface and various (mostly seedable) pseudo-random number generator implementations, incl. a IRandom wrapper for Math.random():

Partially ported from C implementations taken from c.thi.ng.

Status

STABLE - used in production

Installation

yarn add @thi.ng/random

Package sizes (gzipped, pre-treeshake): ESM: 1.23 KB / CJS: 1.33 KB / UMD: 1.34 KB

Dependencies

Usage examples

Several demos in this repo's /examples directory are using this package.

A selection:

Screenshot Description Live demo Source
Interactive inverse FFT toy synth Demo Source
Evolutionary shader generation using genetic programming Demo Source

API

Generated API docs

import { Smush32 } from "@thi.ng/random";
 
const rnd = new Smush32(0xdecafbad);
 
// the following methods are available for all generators
 
// next uint (0 .. 2^32-1)
rnd.int()
// 4022849029
 
// next float [0.0 .. 1.0)
rnd.float()
// 0.2698542904737066
 
// next normalized float (w/ opt scale)
// [-scale .. +scale)
rnd.norm(100)
// 57.70723665079737
 
// next float in given interval [min .. max)
rnd.minmax(10, 20)
// 15.295951807707537
 
// next gaussian (using iterative CLT approach)
// optional params: num samples, offset, scale
rnd.gaussian()
// 0.10632886109089679

Other utilities

Authors

Karsten Schmidt

License

© 2016 - 2020 Karsten Schmidt // Apache Software License 2.0

Install

npm i @thi.ng/random

DownloadsWeekly Downloads

3,198

Version

1.4.4

License

Apache-2.0

Unpacked Size

47.3 kB

Total Files

35

Last publish

Collaborators

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