53 lines
1.3 KiB
JavaScript
53 lines
1.3 KiB
JavaScript
/**
|
|
* @license Apache-2.0
|
|
*
|
|
* Copyright (c) 2020 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 addon = require( './../src/addon.node' );
|
|
|
|
|
|
// MAIN //
|
|
|
|
/**
|
|
* Computes the L2-norm of a single-precision floating-point vector.
|
|
*
|
|
* @param {PositiveInteger} N - number of values over which to compute the L2-norm
|
|
* @param {Float32Array} x - input array
|
|
* @param {PositiveInteger} stride - stride length
|
|
* @returns {number} L2-norm of `x`
|
|
*
|
|
* @example
|
|
* var Float32Array = require( '@stdlib/array/float32' );
|
|
*
|
|
* var x = new Float32Array( [ 1.0, -2.0, 2.0 ] );
|
|
* var N = 3;
|
|
*
|
|
* var z = snrm2( N, x, 1 );
|
|
* // returns 3.0
|
|
*/
|
|
function snrm2( N, x, stride ) {
|
|
return addon( N, x, stride );
|
|
}
|
|
|
|
|
|
// EXPORTS //
|
|
|
|
module.exports = snrm2;
|