1 files changed, 15 insertions, 0 deletions
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 000000000..30ce2e4d6
--- /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));
+};