23 lines
576 B
Plaintext
23 lines
576 B
Plaintext
'use strict';
|
|
|
|
var $TypeError = require('es-errors/type');
|
|
|
|
var ToInt32 = require('../ToInt32');
|
|
var ToUint32 = require('../ToUint32');
|
|
var modulo = require('../modulo');
|
|
|
|
// https://262.ecma-international.org/12.0/#sec-numeric-types-number-signedRightShift
|
|
|
|
module.exports = function NumberSignedRightShift(x, y) {
|
|
if (typeof x !== 'number' || typeof y !== 'number') {
|
|
throw new $TypeError('Assertion failed: `x` and `y` arguments must be Numbers');
|
|
}
|
|
|
|
var lnum = ToInt32(x);
|
|
var rnum = ToUint32(y);
|
|
|
|
var shiftCount = modulo(rnum, 32);
|
|
|
|
return lnum >> shiftCount;
|
|
};
|