1// 20.2.2.18 Math.imul(x, y)
2var $export = require('./_export');
3var $imul = Math.imul;
4
5// some WebKit versions fails with big numbers, some has wrong arity
6$export($export.S + $export.F * require('./_fails')(function () {
7  return $imul(0xffffffff, 5) != -5 || $imul.length != 2;
8}), 'Math', {
9  imul: function imul(x, y) {
10    var UINT16 = 0xffff;
11    var xn = +x;
12    var yn = +y;
13    var xl = UINT16 & xn;
14    var yl = UINT16 & yn;
15    return 0 | xl * yl + ((UINT16 & xn >>> 16) * yl + xl * (UINT16 & yn >>> 16) << 16 >>> 0);
16  }
17});
18