1// https://gist.github.com/BrendanEich/4294d5c212a6d2254703
2var $export = require('./_export');
3
4$export($export.S, 'Math', {
5  isubh: function isubh(x0, x1, y0, y1) {
6    var $x0 = x0 >>> 0;
7    var $x1 = x1 >>> 0;
8    var $y0 = y0 >>> 0;
9    return $x1 - (y1 >>> 0) - ((~$x0 & $y0 | ~($x0 ^ $y0) & $x0 - $y0 >>> 0) >>> 31) | 0;
10  }
11});
12