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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 serialize = require( '@stdlib/ndarray/base/serialize-meta-data' );
var getData = require( '@stdlib/ndarray/base/data-buffer' );
var reinterpretBoolean = require( '@stdlib/strided/base/reinterpret-boolean' );
var addon = require( './../src/addon.node' );
// MAIN //
/**
* Takes elements from one of two one-dimensional single-precision floating-point ndarrays depending on a condition.
*
* ## Notes
*
* - The function expects the following ndarrays:
*
* - a one-dimensional condition ndarray.
* - first one-dimensional input ndarray.
* - second one-dimensional input ndarray.
* - a one-dimensional output ndarray.
*
* @private
* @param {ArrayLikeObject<Object>} arrays - array-like object containing ndarrays
* @returns {ndarray} output ndarray
*
* @example
* var BooleanVector = require( '@stdlib/ndarray/vector/bool' );
* var Float32Vector = require( '@stdlib/ndarray/vector/float32' );
*
* var condition = new BooleanVector( [ true, false, true, false, true ] );
* var x = new Float32Vector( [ 1.0, 2.0, 3.0, 4.0, 5.0 ] );
* var y = new Float32Vector( [ 6.0, 7.0, 8.0, 9.0, 10.0 ] );
* var out = new Float32Vector( 5 );
*
* var v = swhere( [ condition, x, y, out ] );
* // returns <ndarray>[ 1.0, 7.0, 3.0, 9.0, 5.0 ]
*/
function swhere( arrays ) {
var condition = arrays[ 0 ];
var out = arrays[ 3 ];
var x = arrays[ 1 ];
var y = arrays[ 2 ];
addon( reinterpretBoolean( getData( condition ), 0 ), serialize( condition ), getData( x ), serialize( x ), getData( y ), serialize( y ), getData( out ), serialize( out ) ); // eslint-disable-line max-len
return out;
}
// EXPORTS //
module.exports = swhere;
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