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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';
// MODULES //
var NullaryStrided1dDispatch = require( '@stdlib/ndarray/base/nullary-strided1d-dispatch' );
// MAIN //
/**
* Returns a function for applying a strided function to a provided ndarray.
*
* @param {Object} table - dispatch table
* @param {Function} table.default - default strided function
* @param {StringArray} [table.types] - one-dimensional list of ndarray data types describing specialized output ndarray argument signatures
* @param {ArrayLikeObject<Function>} [table.fcns] - list of strided functions which are specific to specialized output ndarray argument signatures
* @param {ArrayLikeObject<StringArray>} idtypes - list containing lists of supported input data types for each ndarray argument
* @param {StringArray} odtypes - list of supported output data types
* @param {Options} [options] - function options
* @param {boolean} [options.strictTraversalOrder=false] - boolean specifying whether to require that element traversal match the memory layout of an output ndarray
* @throws {TypeError} first argument must be an object having valid properties
* @throws {Error} first argument must be an object having valid properties
* @throws {TypeError} second argument must be an array containing arrays of supported data types
* @throws {TypeError} third argument must be an array of supported data types
* @throws {TypeError} options argument must be an object
* @throws {TypeError} must provide valid options
* @returns {Function} function for applying a strided function to an ndarray
*
* @example
* var base = require( '@stdlib/blas/ext/base/ndarray/gsorthp' );
* var dtypes = require( '@stdlib/ndarray/dtypes' );
* var ndarray2array = require( '@stdlib/ndarray/to-array' );
* var scalar2ndarray = require( '@stdlib/ndarray/from-scalar' );
* var ndarray = require( '@stdlib/ndarray/base/ctor' );
*
* var idt = dtypes( 'real_and_generic' );
* var odt = dtypes( 'all' );
*
* var table = {
* 'default': base
* };
* var sorthp = factory( table, [ idt ], odt );
*
* var xbuf = [ -1.0, 2.0, -3.0 ];
* var x = new ndarray( 'generic', xbuf, [ xbuf.length ], [ 1 ], 0, 'row-major' );
*
* var o = scalar2ndarray( 1.0, {
* 'dtype': 'generic'
* });
*
* var out = sorthp( x, o );
* // returns <ndarray>
*
* var arr = ndarray2array( x );
* // returns [ -3.0, -1.0, 2.0 ]
*
* var bool = ( out === x );
* // returns true
*/
function factory( table, idtypes, odtypes, options ) {
var f;
if ( arguments.length > 3 ) {
f = new NullaryStrided1dDispatch( table, idtypes, odtypes, options );
} else {
f = new NullaryStrided1dDispatch( table, idtypes, odtypes );
}
return assign;
/**
* Applies a strided function and assigns results to a provided output ndarray.
*
* @private
* @param {ndarrayLike} out - output ndarray
* @param {...ndarrayLike} [args] - additional ndarray arguments
* @param {Options} [options] - function options
* @param {IntegerArray} [options.dims] - list of dimensions over which to perform operation
* @throws {TypeError} first argument must be an ndarray
* @throws {TypeError} first argument must have a supported data type
* @throws {TypeError} options argument must be an object
* @throws {RangeError} dimension indices must not exceed input ndarray bounds
* @throws {RangeError} number of dimension indices must not exceed the number of output ndarray dimensions
* @throws {Error} must provide valid options
* @returns {ndarrayLike} output ndarray
*/
function assign() {
var args;
var i;
args = [];
for ( i = 0; i < arguments.length; i++ ) {
args.push( arguments[ i ] );
}
return f.assign.apply( f, args );
}
}
// EXPORTS //
module.exports = factory;
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