A cross-browser, numerically stable algorithm to add floats accurately
npm install add
A cross-browser, numerically stable way to add floats in Javascript. Produces a faithful rounding of the sum (the result is an immediate floating-point neighbor of the true value).
Algorithm: Rump-Ogita-Oishi
``javascript
var add = require('add')
, evil = [0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7]
, dumbsum = function (a,b) { return a+b }
console.log(evil.reduce(dumbsum)) => 15.299999999999999
console.log(add(evil)) => 15.3
``
The MIT License (MIT)
Copyright (c) 2014 Ben Ng
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
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