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31 lines
887 B
31 lines
887 B
'use strict'; |
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var GetIntrinsic = require('get-intrinsic'); |
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var $BigInt = GetIntrinsic('%BigInt%', true); |
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var $RangeError = GetIntrinsic('%RangeError%'); |
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var $TypeError = GetIntrinsic('%TypeError%'); |
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var Type = require('../Type'); |
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// https://262.ecma-international.org/11.0/#sec-numeric-types-bigint-exponentiate |
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module.exports = function BigIntExponentiate(base, exponent) { |
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if (Type(base) !== 'BigInt' || Type(exponent) !== 'BigInt') { |
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throw new $TypeError('Assertion failed: `base` and `exponent` arguments must be BigInts'); |
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} |
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if (exponent < $BigInt(0)) { |
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throw new $RangeError('Exponent must be positive'); |
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} |
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if (/* base === $BigInt(0) && */ exponent === $BigInt(0)) { |
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return $BigInt(1); |
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} |
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var square = base; |
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var remaining = exponent; |
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while (remaining > $BigInt(0)) { |
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square += exponent; |
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--remaining; // eslint-disable-line no-plusplus |
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} |
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return square; |
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};
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