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* @license Apache-2.0
*
* Copyright (c) 2026 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 dtypes = require( '@stdlib/ndarray/dtypes' );
var gjoinBetween = require( '@stdlib/blas/ext/base/ndarray/gjoin-between' );
var factory = require( '@stdlib/ndarray/base/unary-reduce-strided1d-dispatch-factory' );
// VARIABLES //
var idtypes0 = dtypes( 'all' ); // input ndarray
var idtypes1 = [ 'generic' ]; // prefix ndarray
var idtypes2 = [ 'generic' ]; // suffix ndarray
var idtypes3 = [ 'generic' ]; // separators ndarray
var odtypes = [ 'generic' ];
var policies = {
'output': 'same', // note: because we always return a "generic" ndarray, this policy is effectively ignored
'casting': 'none'
};
var table = {
'default': gjoinBetween
};
// MAIN //
/**
* Returns an ndarray created by joining elements using specified separators for each pair of consecutive elements along one or more ndarray dimensions.
*
* @private
* @name joinBetween
* @type {Function}
* @param {ndarrayLike} x - input ndarray
* @param {ndarrayLike} prefix - prefix
* @param {ndarrayLike} suffix - suffix
* @param {ndarrayLike} separators - separators
* @param {Options} [options] - function options
* @param {IntegerArray} [options.dims] - list of dimensions over which to perform operation
* @param {boolean} [options.keepdims=false] - boolean indicating whether the reduced dimensions should be included in the returned ndarray as singleton dimensions
* @param {*} [options.dtype] - output ndarray data type
* @throws {TypeError} first argument must be an ndarray-like object
* @throws {TypeError} second argument must be an ndarray-like object
* @throws {TypeError} third argument must be an ndarray-like object
* @throws {TypeError} fourth argument must be an ndarray-like object
* @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 input ndarray dimensions
* @throws {Error} must provide valid options
* @returns {ndarray} output ndarray
*
* @example
* var array = require( '@stdlib/ndarray/array' );
* var scalar2ndarray = require( '@stdlib/ndarray/from-scalar' );
* var ndarray = require( '@stdlib/ndarray/ctor' );
*
* // Create an input ndarray:
* var x = array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 ] );
* // returns <ndarray>[ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 ]
*
* // Create prefix and suffix ndarrays:
* var prefix = scalar2ndarray( '', {
* 'dtype': 'generic'
* });
* var suffix = scalar2ndarray( '', {
* 'dtype': 'generic'
* });
*
* // Create a separators ndarray:
* var separators = new ndarray( 'generic', [ ',' ], [ 1 ], [ 0 ], 0, 'row-major' );
*
* // Perform operation:
* var out = joinBetween( x, prefix, suffix, separators, {
* 'dtype': 'generic'
* });
* // returns <ndarray>[ '1,2,3,4,5,6' ]
*/
var joinBetween = factory( table, [ idtypes0, idtypes1, idtypes2, idtypes3 ], odtypes, policies ); // eslint-disable-line max-len
// EXPORTS //
module.exports = joinBetween;
// exports: { "assign": "joinBetween.assign" }
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