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* @license Apache-2.0
*
* Copyright (c) 2025 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';
// MAIN //
/**
* Performs a reduction over a list of specified dimensions in an input ndarray and assigns results to a provided output ndarray.
*
* @private
* @param {Function} fcn - wrapper for a one-dimensional strided array reduction function
* @param {Array<Object>} arrays - ndarrays
* @param {Function} strategy - input ndarray reshape strategy
* @param {Options} opts - function options
* @returns {void}
*
* @example
* var Float64Array = require( '@stdlib/array/float64' );
* var ndarray2array = require( '@stdlib/ndarray/base/to-array' );
* var Float64Results = require( '@stdlib/stats/base/ztest/one-sample/results/float64' );
* var structFactory = require( '@stdlib/array/struct-factory' );
* var ztest = require( '@stdlib/stats/base/ndarray/ztest' );
*
* var ResultsArray = structFactory( Float64Results );
*
* // Create data buffers:
* var xbuf = new Float64Array( [ 1.0, 2.0, 3.0, 4.0 ] );
* var ybuf = new ResultsArray( 1 );
*
* // Define the array shapes:
* var xsh = [ 2, 2 ];
* var ysh = [];
*
* // Define the array strides:
* var sx = [ 2, 1 ];
* var sy = [ 0 ];
*
* // Define the index offsets:
* var ox = 0;
* var oy = 0;
*
* // Create an input ndarray-like object:
* var x = {
* 'dtype': 'float64',
* 'data': xbuf,
* 'shape': xsh,
* 'strides': sx,
* 'offset': ox,
* 'order': 'row-major'
* };
*
* // Create an output ndarray-like object:
* var y = {
* 'dtype': Float64Results,
* 'data': ybuf,
* 'shape': ysh,
* 'strides': sy,
* 'offset': oy,
* 'order': 'row-major'
* };
*
* // Create additional parameter ndarray-like objects:
* var alternative = {
* 'dtype': 'generic',
* 'data': [ 'two-sided' ],
* 'shape': ysh,
* 'strides': [ 0 ],
* 'offset': 0,
* 'order': 'row-major'
};
* var alpha = {
* 'dtype': 'float64',
* 'data': [ 0.05 ],
* 'shape': ysh,
* 'strides': [ 0 ],
* 'offset': 0,
* 'order': 'row-major'
* };
* var mu = {
* 'dtype': 'float64',
* 'data': [ 0.0 ],
* 'shape': ysh,
* 'strides': [ 0 ],
* 'offset': 0,
* 'order': 'row-major'
* };
* var sigma = {
* 'dtype': 'float64',
* 'data': [ 1.0 ],
* 'shape': ysh,
* 'strides': [ 0 ],
* 'offset': 0,
* 'order': 'row-major'
* };
*
* // Define a reshape strategy:
* function strategy( x ) {
* return {
* 'dtype': x.dtype,
* 'data': x.data,
* 'shape': [ 4 ],
* 'strides': [ 1 ],
* 'offset': x.offset,
* 'order': x.order
* };
* }
*
* // Perform a reduction:
* unary0d( ztest, [ x, y, alternative, alpha, mu, sigma ], strategy, {} );
*
* var v = y.data.get( 0 );
* // returns <Float64Results>
*/
function unary0d( fcn, arrays, strategy, opts ) {
arrays[ 0 ] = strategy( arrays[ 0 ] );
fcn( arrays, opts );
}
// EXPORTS //
module.exports = unary0d;
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