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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 ndarraylike2scalar = require( '@stdlib/ndarray/base/ndarraylike2scalar' );
var numelDimension = require( '@stdlib/ndarray/base/numel-dimension' );
var getStride = require( '@stdlib/ndarray/base/stride' );
var getOffset = require( '@stdlib/ndarray/base/offset' );
var getData = require( '@stdlib/ndarray/base/data-buffer' );
var strided = require( '@stdlib/blas/ext/base/gsort2hp' ).ndarray;
// MAIN //
/**
* Simultaneously sorts two one-dimensional ndarrays based on the sort order of the first ndarray using heapsort.
*
* @param {ArrayLikeObject<Object>} arrays - array-like object containing two one-dimensional input ndarrays and a zero-dimensional ndarray specifying the sort order
* @returns {ndarray} first input ndarray
*
* @example
* var ndarray2array = require( '@stdlib/ndarray/to-array' );
* var scalar2ndarray = require( '@stdlib/ndarray/from-scalar' );
* var ndarray = require( '@stdlib/ndarray/base/ctor' );
*
* var xbuf = [ 1.0, -2.0, 3.0, -4.0 ];
* var x = new ndarray( 'generic', xbuf, [ 4 ], [ 1 ], 0, 'row-major' );
*
* var ybuf = [ 0.0, 1.0, 2.0, 3.0 ];
* var y = new ndarray( 'generic', ybuf, [ 4 ], [ 1 ], 0, 'row-major' );
*
* var ord = scalar2ndarray( 1.0, {
* 'dtype': 'generic'
* });
*
* gsort2hp( [ x, y, ord ] );
* // x => <ndarray>[ -4.0, -2.0, 1.0, 3.0 ]
* // y => <ndarray>[ 3.0, 1.0, 0.0, 2.0 ]
*/
function gsort2hp( arrays ) {
var ord;
var x;
var y;
x = arrays[ 0 ];
y = arrays[ 1 ];
ord = ndarraylike2scalar( arrays[ 2 ] );
strided( numelDimension( x, 0 ), ord, getData( x ), getStride( x, 0 ), getOffset( x ), getData( y ), getStride( y, 0 ), getOffset( y ) ); // eslint-disable-line max-len
return x;
}
// EXPORTS //
module.exports = gsort2hp;
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