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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 absf = require( '@stdlib/math/base/special/fast/absf' );
var f32 = require( '@stdlib/number/float64/base/to-float32' );
// MAIN //
/**
* Returns a function to compute the hypotenuse using the alpha max plus beta min algorithm.
*
* @private
* @param {number} alpha - alpha
* @param {number} beta - beta
* @returns {Function} function to compute the hypotenuse
*
* @example
* var fcn = wrapf( 1.0, 0.5 );
* // returns <Function>
*/
function wrapf( alpha, beta ) {
alpha = f32( alpha );
beta = f32( beta );
return hypotf;
/**
* Computes the hypotenuse of a single-precision floating point number using the alpha max plus beta min algorithm.
*
* @private
* @param {number} x - number
* @param {number} y - number
* @returns {number} hypotenuse
*
* @example
* var h = hypotf( 5.0, 12.0 );
* // returns <number>
*/
function hypotf( x, y ) {
x = absf( x );
y = absf( y );
if ( x > y ) {
return f32( f32( alpha*x ) + f32( beta*y ) );
}
return f32( f32( beta*x ) + f32( alpha*y ) );
}
}
// EXPORTS //
module.exports = wrapf;
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