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-rw-r--r--node_modules/es5-ext/math/expm1/shim.js16
1 files changed, 16 insertions, 0 deletions
diff --git a/node_modules/es5-ext/math/expm1/shim.js b/node_modules/es5-ext/math/expm1/shim.js
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+++ b/node_modules/es5-ext/math/expm1/shim.js
@@ -0,0 +1,16 @@
+// Thanks: https://github.com/monolithed/ECMAScript-6
+
+"use strict";
+
+var exp = Math.exp;
+
+module.exports = function (value) {
+ if (isNaN(value)) return NaN;
+ value = Number(value);
+ if (value === 0) return value;
+ if (value === Infinity) return Infinity;
+ if (value === -Infinity) return -1;
+
+ if (value > -1.0e-6 && value < 1.0e-6) return value + value * value / 2;
+ return exp(value) - 1;
+};