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

34 lines
888 B
JavaScript

var $ = require('../internals/export');
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.github.io/ecma262/#sec-math.hypot
$({ target: 'Math', stat: true, forced: BUGGY }, {
hypot: function hypot(value1, value2) { // eslint-disable-line no-unused-vars
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);
}
});