get.js (1238B)
1 /** 2 * @license Apache-2.0 3 * 4 * Copyright (c) 2018 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 // MAIN // 22 23 /** 24 * Returns an array element. 25 * 26 * ## Notes 27 * 28 * - The number of indices should **equal** the number of dimensions. Accordingly, for zero-dimensional arrays, no indices should be provided. 29 * 30 * @private 31 * @param {...integer} idx - indices 32 * @returns {*} array element 33 */ 34 function get() { 35 /* eslint-disable no-invalid-this */ 36 var idx; 37 var i; 38 39 idx = this._offset; 40 for ( i = 0; i < arguments.length; i++ ) { 41 idx += this._strides[ i ] * arguments[ i ]; 42 } 43 if ( this._accessors ) { 44 return this._buffer.get( idx ); 45 } 46 return this._buffer[ idx ]; 47 } 48 49 50 // EXPORTS // 51 52 module.exports = get;