Last change
on this file since b738035 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
initial commit
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1 | var $ = require('../internals/export');
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2 |
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3 | // eslint-disable-next-line es/no-math-hypot -- required for testing
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4 | var $hypot = Math.hypot;
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5 | var abs = Math.abs;
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6 | var sqrt = Math.sqrt;
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7 |
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8 | // Chrome 77 bug
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9 | // https://bugs.chromium.org/p/v8/issues/detail?id=9546
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10 | var BUGGY = !!$hypot && $hypot(Infinity, NaN) !== Infinity;
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11 |
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12 | // `Math.hypot` method
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13 | // https://tc39.es/ecma262/#sec-math.hypot
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14 | $({ target: 'Math', stat: true, forced: BUGGY }, {
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15 | // eslint-disable-next-line no-unused-vars -- required for `.length`
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16 | hypot: function hypot(value1, value2) {
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17 | var sum = 0;
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18 | var i = 0;
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19 | var aLen = arguments.length;
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20 | var larg = 0;
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21 | var arg, div;
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22 | while (i < aLen) {
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23 | arg = abs(arguments[i++]);
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24 | if (larg < arg) {
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25 | div = larg / arg;
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26 | sum = sum * div * div + 1;
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27 | larg = arg;
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28 | } else if (arg > 0) {
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29 | div = arg / larg;
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30 | sum += div * div;
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31 | } else sum += arg;
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32 | }
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33 | return larg === Infinity ? Infinity : larg * sqrt(sum);
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34 | }
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35 | });
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