@aponica/macheps-js NPM

@aponica/macheps-js

Prevent rounding errors by comparing values within range of machine epsilon.

An equivalent PHP package, aponica/macheps-php, is available, and should be kept synchronized with this version for consistency.

Installation

npm i @aponica/macheps-js

Usage

import hMachEps from '@aponica/macheps-js';
console.info( hMachEps.fbEQ( 1.234567890, 1.234567891 ) ? 'close enough' : 'different' );
console.info( hMachEps.fbLT( 1.234567890, 1.234567891 ) ? 'less than' : 'not LT' );
console.info( hMachEps.fbGT( 1.234567890, 1.234567891 ) ? 'greater than' : 'not GT' );

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Contributing

Please contact us if you believe this package is missing important functionality that you'd like to provide.

Under the covers, the code is heavily commented and uses a form of Hungarian notation for data type guidance. If you submit a pull request, please try to maintain the (admittedly unusual) coding style, which is the product of many decades of programming experience.

@aponica/macheps-js v1.0.0