wallet-core/node_modules/core-js/modules/es7.math.umulh.js

// https://gist.github.com/BrendanEich/4294d5c212a6d2254703
var $export = require('./_export');

$export($export.S, 'Math', {
  umulh: function umulh(u, v) {
    var UINT16 = 0xffff;
    var $u = +u;
    var $v = +v;
    var u0 = $u & UINT16;
    var v0 = $v & UINT16;
    var u1 = $u >>> 16;
    var v1 = $v >>> 16;
    var t = (u1 * v0 >>> 0) + (u0 * v0 >>> 16);
    return u1 * v1 + (t >>> 16) + ((u0 * v1 >>> 0) + (t & UINT16) >>> 16);
  }
});