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29 lines
1014 B
29 lines
1014 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('../../helpers/isNaN'); |
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// https://262.ecma-international.org/11.0/#sec-numeric-types-number-remainder |
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module.exports = function NumberRemainder(n, d) { |
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if (typeof n !== 'number' || typeof d !== 'number') { |
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throw new $TypeError('Assertion failed: `n` and `d` arguments must be Numbers'); |
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} |
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// If either operand is NaN, the result is NaN. |
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// If the dividend is an infinity, or the divisor is a zero, or both, the result is NaN. |
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if (isNaN(n) || isNaN(d) || !isFinite(n) || d === 0) { |
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return NaN; |
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} |
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// If the dividend is finite and the divisor is an infinity, the result equals the dividend. |
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// If the dividend is a zero and the divisor is nonzero and finite, the result is the same as the dividend. |
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if (!isFinite(d) || (n === 0 && d !== 0)) { |
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return n; |
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} |
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// In the remaining cases, where neither an infinity, nor a zero, nor NaN is involved… |
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return n % d; |
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};
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