| 'use strict'; |
| |
| var GetIntrinsic = require('get-intrinsic'); |
| |
| var $TypeError = GetIntrinsic('%TypeError%'); |
| |
| var isNaN = require('../../helpers/isNaN'); |
| |
| var Type = require('../Type'); |
| |
| // https://262.ecma-international.org/12.0/#sec-numeric-types-number-remainder |
| |
| module.exports = function NumberRemainder(n, d) { |
| if (Type(n) !== 'Number' || Type(d) !== 'Number') { |
| throw new $TypeError('Assertion failed: `n` and `d` arguments must be Numbers'); |
| } |
| |
| // If either operand is NaN, the result is NaN. |
| // If the dividend is an infinity, or the divisor is a zero, or both, the result is NaN. |
| if (isNaN(n) || isNaN(d) || !isFinite(n) || d === 0) { |
| return NaN; |
| } |
| |
| // If the dividend is finite and the divisor is an infinity, the result equals the dividend. |
| // If the dividend is a zero and the divisor is nonzero and finite, the result is the same as the dividend. |
| if (!isFinite(d) || n === 0) { |
| return n; |
| } |
| |
| // In the remaining cases, where neither an infinity, nor a zero, nor NaN is involved… |
| return n % d; |
| }; |