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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';
/**
* BLAS level 2 routine to perform one of the matrix-vector operations `x = A*x` or `x = A^T*x` or `x = A^H*x` where `x` is an `N` element complex vector and `A` is an `N` by `N` unit, or non-unit, upper or lower triangular band matrix, with (`K` + 1) diagonals.
*
* @module @stdlib/blas/base/ctbmv
*
* @example
* var Complex64Array = require( '@stdlib/array/complex64' );
* var Complex64 = require( '@stdlib/complex/float32/ctor' );
* var ctbmv = require( '@stdlib/blas/base/ctbmv' );
*
* var A = new Complex64Array( [ 0.0, 0.0, 1.0, 1.0, 2.0, 2.0, 3.0, 3.0, 4.0, 4.0, 5.0, 5.0 ] );
* var x = new Complex64Array( [ 1.0, 1.0, 2.0, 2.0, 3.0, 3.0 ] );
*
* ctbmv( 'row-major', 'lower', 'no-transpose', 'non-unit', 3, 1, A, 2, x, 1 );
* // x => <Complex64Array>[ 0.0, 2.0, 0.0, 16.0, 0.0, 46.0 ]
*
* @example
* var Complex64Array = require( '@stdlib/array/complex64' );
* var Complex64 = require( '@stdlib/complex/float32/ctor' );
* var ctbmv = require( '@stdlib/blas/base/ctbmv' );
*
* var A = new Complex64Array( [ 0.0, 0.0, 1.0, 1.0, 2.0, 2.0, 3.0, 3.0, 4.0, 4.0, 5.0, 5.0 ] );
* var x = new Complex64Array( [ 1.0, 1.0, 2.0, 2.0, 3.0, 3.0 ] );
*
* ctbmv.ndarray( 'lower', 'no-transpose', 'non-unit', 3, 1, A, 2, 1, 0, x, 1, 0 );
* // x => <Complex64Array>[ 0.0, 2.0, 0.0, 16.0, 0.0, 46.0 ]
*/
// MODULES //
var join = require( 'path' ).join;
var tryRequire = require( '@stdlib/utils/try-require' );
var isError = require( '@stdlib/assert/is-error' );
var main = require( './main.js' );
// MAIN //
var ctbmv;
var tmp = tryRequire( join( __dirname, './native.js' ) );
if ( isError( tmp ) ) {
ctbmv = main;
} else {
ctbmv = tmp;
}
// EXPORTS //
module.exports = ctbmv;
// exports: { "ndarray": "ctbmv.ndarray" }
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