var $ = require('../internals/export'); // `Math.imulh` method // https://gist.github.com/BrendanEich/4294d5c212a6d2254703 $({ target: 'Math', stat: true }, { imulh: function imulh(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); } });