chushihua

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));
+};