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musix-oss/node_modules/core-js/modules/esnext.math.umulh.js
2019-10-10 16:43:04 +03:00

18 lines
482 B
JavaScript

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