Migration datamodels !

node_modules/es5-ext/math/tanh/implement.js

@@ -0,0 +1,10 @@
+"use strict";
+
+if (!require("./is-implemented")()) {
+	Object.defineProperty(Math, "tanh", {
+		value: require("./shim"),
+		configurable: true,
+		enumerable: false,
+		writable: true
+	});
+}

node_modules/es5-ext/math/tanh/index.js

@@ -0,0 +1,3 @@
+"use strict";
+
+module.exports = require("./is-implemented")() ? Math.tanh : require("./shim");

node_modules/es5-ext/math/tanh/is-implemented.js

@@ -0,0 +1,7 @@
+"use strict";
+
+module.exports = function () {
+	var tanh = Math.tanh;
+	if (typeof tanh !== "function") return false;
+	return tanh(1) === 0.7615941559557649 && tanh(Number.MAX_VALUE) === 1;
+};

node_modules/es5-ext/math/tanh/shim.js

@@ -0,0 +1,17 @@
+"use strict";
+
+var exp = Math.exp;
+
+module.exports = function (value) {
+	var num1, num2;
+	if (isNaN(value)) return NaN;
+	value = Number(value);
+	if (value === 0) return value;
+	if (value === Infinity) return 1;
+	if (value === -Infinity) return -1;
+	num1 = exp(value);
+	if (num1 === Infinity) return 1;
+	num2 = exp(-value);
+	if (num2 === Infinity) return -1;
+	return (num1 - num2) / (num1 + num2);
+};