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18 lines
569 B
18 lines
569 B
'use strict'; |
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var isNegativeZero = require('math-intrinsics/isNegativeZero'); |
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var $TypeError = require('es-errors/type'); |
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var NumberSameValueZero = require('./sameValueZero'); |
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// https://262.ecma-international.org/11.0/#sec-numeric-types-number-sameValue |
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module.exports = function NumberSameValue(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 (x === 0 && y === 0) { |
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return !(isNegativeZero(x) ^ isNegativeZero(y)); |
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} |
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return NumberSameValueZero(x, y); |
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};
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