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authorruki <waruqi@gmail.com>2018-11-08 00:38:48 +0800
committerruki <waruqi@gmail.com>2018-11-07 21:53:09 +0800
commit26105034da4fcce7ac883c899d781f016559310d (patch)
treec459a5dc4e3aa0972d9919033ece511ce76dd129 /node_modules/es5-ext/math/cosh/shim.js
parent2c77f00f1a7ecb6c8192f9c16d3b2001b254a107 (diff)
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1 files changed, 11 insertions, 0 deletions
diff --git a/node_modules/es5-ext/math/cosh/shim.js b/node_modules/es5-ext/math/cosh/shim.js
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+"use strict";
+
+var exp = Math.exp;
+
+module.exports = function (value) {
+ if (isNaN(value)) return NaN;
+ value = Number(value);
+ if (value === 0) return 1;
+ if (!isFinite(value)) return Infinity;
+ return (exp(value) + exp(-value)) / 2;
+};