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18 lines
564 B
18 lines
564 B
'use strict'; |
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var $TypeError = require('es-errors/type'); |
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var isFinite = require('math-intrinsics/isFinite'); |
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var isNaN = require('math-intrinsics/isNaN'); |
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// https://262.ecma-international.org/11.0/#sec-numeric-types-number-divide |
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module.exports = function NumberDivide(x, y) { |
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if (typeof x !== 'number' || typeof y !== 'number') { |
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throw new $TypeError('Assertion failed: `x` and `y` arguments must be Numbers'); |
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} |
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if (isNaN(x) || isNaN(y) || (!isFinite(x) && !isFinite(y))) { |
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return NaN; |
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} |
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// shortcut for the actual spec mechanics |
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return x / y; |
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};
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