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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';
/**
* BLAS level 2 routine to perform one of the matrix-vector operations `y := α*A*x + β*y, or y := α*A**T*x + β*y`, where `α` and `β` are scalars, `x` and `y` are vectors and `A` is an `M` by `N` band matrix, with `KL` sub-diagonals and `KU` super-diagonals.
*
* @module @stdlib/blas/base/dgbmv
*
* @example
* var Float64Array = require( '@stdlib/array/float64' );
* var dgbmv = require( '@stdlib/blas/base/dgbmv' );
*
* var A = new Float64Array( [ 0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 0.0 ] );
* var x = new Float64Array( [ 1.0, 1.0, 1.0 ] );
* var y = new Float64Array( [ 0.0, 0.0, 0.0 ] );
*
* dgbmv( 'no-transpose', 3, 3, 1, 1, 1.0, A, 3, 1, 0, x, 1, 0, 1.0, y, 1, 0 );
* // y => <Float64Array>[ 3.0, 12.0, 13.0 ]
*
* @example
* var Float64Array = require( '@stdlib/array/float64' );
* var dgbmv = require( '@stdlib/blas/base/dgbmv' );
*
* var A = new Float64Array( [ 0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 0.0 ] );
* var x = new Float64Array( [ 1.0, 1.0, 1.0 ] );
* var y = new Float64Array( [ 0.0, 0.0, 0.0 ] );
*
* dgbmv.ndarray( 'no-transpose', 3, 3, 1, 1, 1.0, A, 3, 1, 0, x, 1, 0, 1.0, y, 1, 0 );
* // y => <Float64Array>[ 3.0, 12.0, 13.0 ]
*/
// 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 dgbmv;
var tmp = tryRequire( join( __dirname, './native.js' ) );
if ( isError( tmp ) ) {
dgbmv = main;
} else {
dgbmv = tmp;
}
// EXPORTS //
module.exports = dgbmv;
// exports: { "ndarray": "dgbmv.ndarray" }
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