1// https://gist.github.com/BrendanEich/4294d5c212a6d2254703
2var $export = require('./_export');
3
4$export($export.S, 'Math', {
5  imulh: function imulh(u, v) {
6    var UINT16 = 0xffff;
7    var $u = +u;
8    var $v = +v;
9    var u0 = $u & UINT16;
10    var v0 = $v & UINT16;
11    var u1 = $u >> 16;
12    var v1 = $v >> 16;
13    var t = (u1 * v0 >>> 0) + (u0 * v0 >>> 16);
14    return u1 * v1 + (t >> 16) + ((u0 * v1 >>> 0) + (t & UINT16) >> 16);
15  }
16});
17