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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';
// MODULES //
var resolveOrder = require( '@stdlib/blas/base/layout-resolve-enum' );
var resolveUplo = require( '@stdlib/blas/base/matrix-triangle-resolve-enum' );
var resolveTrans = require( '@stdlib/blas/base/transpose-operation-resolve-enum' );
var resolveDiag = require( '@stdlib/blas/base/diagonal-type-resolve-enum' );
var addon = require( './../src/addon.node' );
// MAIN //
/**
* Performs one of the matrix-vector operations `x = A*x` or `x = A^T*x`, where `x` is an `N` element vector and `A` is an `N` by `N` unit, or non-unit, upper or lower triangular matrix.
*
* @param {string} order - storage layout
* @param {string} uplo - specifies whether `A` is an upper or lower triangular matrix
* @param {string} trans - specifies whether `A` should be transposed, conjugate-transposed, or not transposed
* @param {string} diag - specifies whether `A` has a unit diagonal
* @param {NonNegativeInteger} N - number of elements along each dimension of `A`
* @param {Float32Array} A - input matrix
* @param {integer} LDA - stride of the first dimension of `A` (a.k.a., leading dimension of the matrix `A`)
* @param {Float32Array} x - input vector
* @param {integer} strideX - `x` stride length
* @returns {Float32Array} `x`
*
* @example
* var Float32Array = require( '@stdlib/array/float32' );
*
* var A = new Float32Array( [ 1.0, 2.0, 3.0, 0.0, 1.0, 2.0, 0.0, 0.0, 1.0 ] ); // => [ [ 1.0, 2.0, 3.0 ], [ 0.0, 1.0, 2.0 ], [ 0.0, 0.0, 1.0 ] ]
* var x = new Float32Array( [ 1.0, 2.0, 3.0 ] );
*
* strmv( 'row-major', 'upper', 'no-transpose', 'unit', 3, A, 3, x, 1 );
* // x => <Float32Array>[ 14.0, 8.0, 3.0 ]
*/
function strmv( order, uplo, trans, diag, N, A, LDA, x, strideX ) {
addon( resolveOrder( order ), resolveUplo( uplo ), resolveTrans( trans ), resolveDiag( diag ), N, A, LDA, x, strideX ); // eslint-disable-line max-len
return x;
}
// EXPORTS //
module.exports = strmv;
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