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4 files changed, 35 insertions, 0 deletions

diff --git a/node_modules/es5-ext/math/asinh/implement.js b/node_modules/es5-ext/math/asinh/implement.js
new file mode 100644
index 00000000..efa6704e
--- /dev/null
+++ b/node_modules/es5-ext/math/asinh/implement.js
@@ -0,0 +1,8 @@
+"use strict";
+
+if (!require("./is-implemented")()) {
+	Object.defineProperty(Math, "asinh", { value: require("./shim"),
+		configurable: true,
+enumerable: false,
+writable: true });
+}
diff --git a/node_modules/es5-ext/math/asinh/index.js b/node_modules/es5-ext/math/asinh/index.js
new file mode 100644
index 00000000..b5fb120f
--- /dev/null
+++ b/node_modules/es5-ext/math/asinh/index.js
@@ -0,0 +1,5 @@
+"use strict";
+
+module.exports = require("./is-implemented")()
+	? Math.asinh
+	: require("./shim");
diff --git a/node_modules/es5-ext/math/asinh/is-implemented.js b/node_modules/es5-ext/math/asinh/is-implemented.js
new file mode 100644
index 00000000..a7e0f20f
--- /dev/null
+++ b/node_modules/es5-ext/math/asinh/is-implemented.js
@@ -0,0 +1,7 @@
+"use strict";
+
+module.exports = function () {
+	var asinh = Math.asinh;
+	if (typeof asinh !== "function") return false;
+	return asinh(2) === 1.4436354751788103;
+};
diff --git a/node_modules/es5-ext/math/asinh/shim.js b/node_modules/es5-ext/math/asinh/shim.js
new file mode 100644
index 00000000..30ce2e4d
--- /dev/null
+++ b/node_modules/es5-ext/math/asinh/shim.js
@@ -0,0 +1,15 @@
+"use strict";
+
+var log = Math.log, sqrt = Math.sqrt;
+
+module.exports = function (value) {
+	if (isNaN(value)) return NaN;
+	value = Number(value);
+	if (value === 0) return value;
+	if (!isFinite(value)) return value;
+	if (value < 0) {
+		value = -value;
+		return -log(value + sqrt(value * value + 1));
+	}
+	return log(value + sqrt(value * value + 1));
+};