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* @license Apache-2.0
*
* Copyright (c) 2018 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 //
/**
* Recursively converts an ndarray to a generic array.
*
* @private
* @param {Object} obj - array object
* @param {(ArrayLikeObject|TypedArray|Buffer)} obj.data - data buffer
* @param {Array<Function>} obj.accessors - element accessors
* @param {NonNegativeIntegerArray} shape - array shape
* @param {IntegerArray} strides - array strides
* @param {NonNegativeInteger} offset - index offset
* @param {string} order - specifies whether an array is row-major (C-style) or column-major (Fortran-style)
* @param {NonNegativeInteger} dim - dimension
* @returns {(Array|Array<Array>)} output array
*/
function recurse( obj, shape, strides, offset, order, dim ) {
var stride;
var item;
var out;
var n;
var i;
if ( dim >= shape.length ) {
return obj.accessors[ 0 ]( obj.data, offset );
}
out = [];
n = shape[ dim ];
stride = strides[ dim ];
for ( i = 0; i < n; i++ ) {
item = recurse( obj, shape, strides, offset, order, dim+1 );
out.push( item );
offset += stride;
}
return out;
}
// EXPORTS //
module.exports = recurse;
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