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| 1 | +/** |
| 2 | +* @license Apache-2.0 |
| 3 | +* |
| 4 | +* Copyright (c) 2025 The Stdlib Authors. |
| 5 | +* |
| 6 | +* Licensed under the Apache License, Version 2.0 (the "License"); |
| 7 | +* you may not use this file except in compliance with the License. |
| 8 | +* You may obtain a copy of the License at |
| 9 | +* |
| 10 | +* http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | +* |
| 12 | +* Unless required by applicable law or agreed to in writing, software |
| 13 | +* distributed under the License is distributed on an "AS IS" BASIS, |
| 14 | +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 15 | +* See the License for the specific language governing permissions and |
| 16 | +* limitations under the License. |
| 17 | +*/ |
| 18 | + |
| 19 | +'use strict'; |
| 20 | + |
| 21 | +// MODULES // |
| 22 | + |
| 23 | +var addon = require( './../src/addon.node' ); |
| 24 | + |
| 25 | + |
| 26 | +// MAIN // |
| 27 | + |
| 28 | +/** |
| 29 | +* Computes the nth Tribonacci number. |
| 30 | +* |
| 31 | +* @private |
| 32 | +* @param {NonNegativeInteger} n - the Tribonacci number to compute |
| 33 | +* @returns {NonNegativeInteger} Tribonacci number |
| 34 | +* |
| 35 | +* @example |
| 36 | +* var y = tribonacci( 0 ); |
| 37 | +* // returns 0 |
| 38 | +* |
| 39 | +* @example |
| 40 | +* var y = tribonacci( 1 ); |
| 41 | +* // returns 0 |
| 42 | +* |
| 43 | +* @example |
| 44 | +* var y = tribonacci( 2 ); |
| 45 | +* // returns 1 |
| 46 | +* |
| 47 | +* @example |
| 48 | +* var y = tribonacci( 3 ); |
| 49 | +* // returns 1 |
| 50 | +* |
| 51 | +* @example |
| 52 | +* var y = tribonacci( 4 ); |
| 53 | +* // returns 2 |
| 54 | +* |
| 55 | +* @example |
| 56 | +* var y = tribonacci( 5 ); |
| 57 | +* // returns 4 |
| 58 | +* |
| 59 | +* @example |
| 60 | +* var y = tribonacci( 6 ); |
| 61 | +* // returns 7 |
| 62 | +* |
| 63 | +* @example |
| 64 | +* var y = tribonacci( -1 ); |
| 65 | +* // returns NaN |
| 66 | +*/ |
| 67 | +function tribonacci( n ) { |
| 68 | + return addon( n ); |
| 69 | +} |
| 70 | + |
| 71 | + |
| 72 | +// EXPORTS // |
| 73 | + |
| 74 | +module.exports = tribonacci; |
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