32 lines
887 B
JavaScript
32 lines
887 B
JavaScript
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'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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