// Thanks: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference
  //         /Global_Objects/Math/imul
  
  'use strict';
  
  module.exports = function (x, y) {
  	var xh  = (x >>> 16) & 0xffff, xl = x & 0xffff
  	  , yh  = (y >>> 16) & 0xffff, yl = y & 0xffff;
  
  	// the shift by 0 fixes the sign on the high part
  	// the final |0 converts the unsigned value into a signed value
  	return ((xl * yl) + (((xh * yl + xl * yh) << 16) >>> 0) | 0);
  };