mirror of
https://github.com/idanoo/GoScrobble.git
synced 2024-11-24 17:35:16 +00:00
36 lines
983 B
JavaScript
36 lines
983 B
JavaScript
|
var $ = require('../internals/export');
|
||
|
|
|
||
|
|
// eslint-disable-next-line es/no-math-hypot -- required for testing
|
||
|
|
var $hypot = Math.hypot;
|
||
|
|
var abs = Math.abs;
|
||
|
|
var sqrt = Math.sqrt;
|
||
|
|
|
||
|
|
// Chrome 77 bug
|
||
|
|
// https://bugs.chromium.org/p/v8/issues/detail?id=9546
|
||
|
|
var BUGGY = !!$hypot && $hypot(Infinity, NaN) !== Infinity;
|
||
|
|
|
||
|
|
// `Math.hypot` method
|
||
|
|
// https://tc39.es/ecma262/#sec-math.hypot
|
||
|
|
$({ target: 'Math', stat: true, forced: BUGGY }, {
|
||
|
|
// eslint-disable-next-line no-unused-vars -- required for `.length`
|
||
|
|
hypot: function hypot(value1, value2) {
|
||
|
|
var sum = 0;
|
||
|
|
var i = 0;
|
||
|
|
var aLen = arguments.length;
|
||
|
|
var larg = 0;
|
||
|
|
var arg, div;
|
||
|
|
while (i < aLen) {
|
||
|
|
arg = abs(arguments[i++]);
|
||
|
|
if (larg < arg) {
|
||
|
|
div = larg / arg;
|
||
|
|
sum = sum * div * div + 1;
|
||
|
|
larg = arg;
|
||
|
|
} else if (arg > 0) {
|
||
|
|
div = arg / larg;
|
||
|
|
sum += div * div;
|
||
|
|
} else sum += arg;
|
||
|
|
}
|
||
|
|
return larg === Infinity ? Infinity : larg * sqrt(sum);
|
||
|
|
}
|
||
|
|
});
|