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Runtime error
Runtime error
; | |
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; | |
}; | |