/** * @license Apache-2.0 * * Copyright (c) 2020 The Stdlib Authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ 'use strict'; // MODULES // var meanpn = require( './../../../base/meanpn' ).ndarray; // MAIN // /** * Computes the arithmetic mean of a strided array. * * @param {PositiveInteger} N - number of indexed elements * @param {NumericArray} x - input array * @param {integer} stride - stride length * @param {NonNegativeInteger} offset - starting index * @returns {number} arithmetic mean * * @example * var floor = require( '@stdlib/math/base/special/floor' ); * * var x = [ 2.0, 1.0, 2.0, -2.0, -2.0, 2.0, 3.0, 4.0 ]; * var N = floor( x.length / 2 ); * * var v = mean( N, x, 2, 1 ); * // returns 1.25 */ function mean( N, x, stride, offset ) { return meanpn( N, x, stride, offset ); } // EXPORTS // module.exports = mean;