You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
38 lines
1.2 KiB
38 lines
1.2 KiB
'use strict'; |
|
|
|
var $TypeError = require('es-errors/type'); |
|
var isNaN = require('math-intrinsics/isNaN'); |
|
var isFinite = require('math-intrinsics/isFinite'); |
|
|
|
var truncate = require('../truncate'); |
|
|
|
// https://262.ecma-international.org/14.0/#sec-numeric-types-number-remainder |
|
|
|
module.exports = function NumberRemainder(n, d) { |
|
if (typeof n !== 'number' || typeof 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; |
|
} |
|
|
|
if (!isFinite(n) || !isFinite(d) || n === 0 || d === 0) { |
|
throw new $TypeError('Assertion failed: `n` and `d` arguments must be finite and nonzero'); |
|
} |
|
var quotient = n / d; |
|
var q = truncate(quotient); |
|
var r = n - (d * q); |
|
if (r === 0 && n < 0) { |
|
return -0; |
|
} |
|
return r; |
|
};
|
|
|