es6.math.asinh.js 229 B

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  1. // 20.2.2.5 Math.asinh(x)
  2. var $export = require('./$.export');
  3. function asinh(x){
  4. return !isFinite(x = +x) || x == 0 ? x : x < 0 ? -asinh(-x) : Math.log(x + Math.sqrt(x * x + 1));
  5. }
  6. $export($export.S, 'Math', {asinh: asinh});