--- /dev/null
+// Credit: https://github.com/paulmillr/es6-shim/blob/master/es6-shim.js
+
+'use strict';
+
+var toFloat32;
+
+if (typeof Float32Array !== 'undefined') {
+ toFloat32 = (function () {
+ var float32Array = new Float32Array(1);
+ return function (x) {
+ float32Array[0] = x;
+ return float32Array[0];
+ };
+ }());
+} else {
+ toFloat32 = (function () {
+ var pack = require('../_pack-ieee754')
+ , unpack = require('../_unpack-ieee754');
+
+ return function (x) {
+ return unpack(pack(x, 8, 23), 8, 23);
+ };
+ }());
+}
+
+module.exports = function (x) {
+ if (isNaN(x)) return NaN;
+ x = Number(x);
+ if (x === 0) return x;
+ if (!isFinite(x)) return x;
+
+ return toFloat32(x);
+};