added whole system from ola4doc

sys/node_modules/es5-ext/math/fround/shim.js

@@ -0,0 +1,33 @@
+// 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);
+};