| 1 | 'use strict';
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| 2 |
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| 3 | // var isNegativeZero = require('math-intrinsics/isNegativeZero');
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| 4 | var $pow = require('math-intrinsics/pow');
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| 5 |
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| 6 | var $TypeError = require('es-errors/type');
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| 7 |
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| 8 | /*
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| 9 | var abs = require('math-intrinsics/abs');
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| 10 | var isFinite = require('math-intrinsics/isFinite');
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| 11 | var isNaN = require('math-intrinsics/isNaN');
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| 12 |
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| 13 | var IsInteger = require('math-intrinsics/isInteger');
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| 14 | */
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| 15 |
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| 16 | // https://262.ecma-international.org/11.0/#sec-numeric-types-number-exponentiate
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| 17 |
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| 18 | /* eslint max-lines-per-function: 0, max-statements: 0 */
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| 19 |
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| 20 | module.exports = function NumberExponentiate(base, exponent) {
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| 21 | if (typeof base !== 'number' || typeof exponent !== 'number') {
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| 22 | throw new $TypeError('Assertion failed: `base` and `exponent` arguments must be Numbers');
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| 23 | }
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| 24 | return $pow(base, exponent);
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| 25 | /*
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| 26 | if (isNaN(exponent)) {
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| 27 | return NaN;
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| 28 | }
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| 29 | if (exponent === 0) {
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| 30 | return 1;
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| 31 | }
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| 32 | if (isNaN(base)) {
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| 33 | return NaN;
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| 34 | }
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| 35 | var aB = abs(base);
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| 36 | if (aB > 1 && exponent === Infinity) {
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| 37 | return Infinity;
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| 38 | }
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| 39 | if (aB > 1 && exponent === -Infinity) {
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| 40 | return 0;
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| 41 | }
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| 42 | if (aB === 1 && (exponent === Infinity || exponent === -Infinity)) {
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| 43 | return NaN;
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| 44 | }
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| 45 | if (aB < 1 && exponent === Infinity) {
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| 46 | return +0;
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| 47 | }
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| 48 | if (aB < 1 && exponent === -Infinity) {
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| 49 | return Infinity;
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| 50 | }
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| 51 | if (base === Infinity) {
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| 52 | return exponent > 0 ? Infinity : 0;
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| 53 | }
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| 54 | if (base === -Infinity) {
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| 55 | var isOdd = true;
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| 56 | if (exponent > 0) {
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| 57 | return isOdd ? -Infinity : Infinity;
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| 58 | }
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| 59 | return isOdd ? -0 : 0;
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| 60 | }
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| 61 | if (exponent > 0) {
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| 62 | return isNegativeZero(base) ? Infinity : 0;
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| 63 | }
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| 64 | if (isNegativeZero(base)) {
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| 65 | if (exponent > 0) {
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| 66 | return isOdd ? -0 : 0;
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| 67 | }
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| 68 | return isOdd ? -Infinity : Infinity;
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| 69 | }
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| 70 | if (base < 0 && isFinite(base) && isFinite(exponent) && !IsInteger(exponent)) {
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| 71 | return NaN;
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| 72 | }
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| 73 | */
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| 74 | };
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