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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 slice = require( '@stdlib/array/base/slice' );
// MAIN //
/**
* Initialize ndarray-like objects for representing sub-array views of ancillary ndarray arguments.
*
* ## Notes
*
* - This function ignores the first two ndarray-like objects, which are assumed to be the input and output ndarray, respectively.
* - This function mutates the provided output array.
*
* @private
* @param {ArrayLikeObject<Object>} arrays - list of ndarray-like objects
* @param {NonNegativeInteger} k - number of non-reduced dimensions
* @param {Array<Object>} out - output array
* @returns {Array<Object>} output array
*/
function initializeViews( arrays, k, out ) {
var sh;
var N;
var v;
var i;
for ( i = 2; i < arrays.length; i++ ) {
v = arrays[ i ];
sh = v.shape;
N = sh.length;
out.push({
'dtype': v.dtype,
'data': v.data,
'shape': slice( sh, k, N ),
'strides': ( N === k ) ? [ 0 ] : slice( v.strides, k, N ),
'offset': v.offset,
'order': v.order
});
}
return out;
}
// EXPORTS //
module.exports = initializeViews;
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