1 | var $ = require('../internals/export');
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2 |
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3 | var $hypot = Math.hypot;
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4 | var abs = Math.abs;
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5 | var sqrt = Math.sqrt;
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6 |
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7 |
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8 |
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9 | var BUGGY = !!$hypot && $hypot(Infinity, NaN) !== Infinity;
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10 |
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11 |
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12 |
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13 | $({ target: 'Math', stat: true, forced: BUGGY }, {
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14 | hypot: function hypot(value1, value2) {
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15 | var sum = 0;
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16 | var i = 0;
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17 | var aLen = arguments.length;
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18 | var larg = 0;
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19 | var arg, div;
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20 | while (i < aLen) {
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21 | arg = abs(arguments[i++]);
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22 | if (larg < arg) {
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23 | div = larg / arg;
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24 | sum = sum * div * div + 1;
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25 | larg = arg;
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26 | } else if (arg > 0) {
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27 | div = arg / larg;
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28 | sum += div * div;
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29 | } else sum += arg;
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30 | }
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31 | return larg === Infinity ? Infinity : larg * sqrt(sum);
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32 | }
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33 | });
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