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文件: /usr/share/nodejs/core-js/modules/es.math.hypot.js
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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, arity: 2, 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); } });
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