added whole system from ola4doc

sys/node_modules/es5-ext/math/cosh/implement.js

@@ -0,0 +1,6 @@
+'use strict';
+
+if (!require('./is-implemented')()) {
+	Object.defineProperty(Math, 'cosh', { value: require('./shim'),
+		configurable: true, enumerable: false, writable: true });
+}

sys/node_modules/es5-ext/math/cosh/index.js

@@ -0,0 +1,5 @@
+'use strict';
+
+module.exports = require('./is-implemented')()
+	? Math.cosh
+	: require('./shim');

sys/node_modules/es5-ext/math/cosh/is-implemented.js

@@ -0,0 +1,7 @@
+'use strict';
+
+module.exports = function () {
+	var cosh = Math.cosh;
+	if (typeof cosh !== 'function') return false;
+	return cosh(1) === 1.5430806348152437;
+};

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

@@ -0,0 +1,11 @@
+'use strict';
+
+var exp = Math.exp;
+
+module.exports = function (x) {
+	if (isNaN(x)) return NaN;
+	x = Number(x);
+	if (x === 0) return 1;
+	if (!isFinite(x)) return Infinity;
+	return (exp(x) + exp(-x)) / 2;
+};