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[yaffs-website] / node_modules / core-js / library / modules / es6.math.tanh.js

diff --git a/node_modules/core-js/library/modules/es6.math.tanh.js b/node_modules/core-js/library/modules/es6.math.tanh.js
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+++ b/node_modules/core-js/library/modules/es6.math.tanh.js
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+// 20.2.2.33 Math.tanh(x)
+var $export = require('./_export')
+  , expm1   = require('./_math-expm1')
+  , exp     = Math.exp;
+
+$export($export.S, 'Math', {
+  tanh: function tanh(x){
+    var a = expm1(x = +x)
+      , b = expm1(-x);
+    return a == Infinity ? 1 : b == Infinity ? -1 : (a - b) / (exp(x) + exp(-x));
+  }
+});
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