Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x | /**
* @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 abs = require( '@stdlib/math/base/special/abs' );
var min = require( '@stdlib/math/base/special/min' );
var max = require( '@stdlib/math/base/special/max' );
var sqrt = require( '@stdlib/math/base/special/sqrt' );
var abs2 = require( '@stdlib/math/base/special/abs2' );
// MAIN //
/**
* Returns `sqrt(x^2 + y^2)` in a manner which doesn't cause unnecessary overflow.
*
* @param {number} x - first input number
* @param {number} y - second input number
* @returns {number} `sqrt(x^2 + y^2)`
*
* @example
* var out = dlapy2( 3.0, 4.0 );
* // returns 5.0
*/
function dlapy2( x, y ) {
var xabs;
var yabs;
var w;
var z;
xabs = abs( x );
yabs = abs( y );
w = max( xabs, yabs );
z = min( xabs, yabs );
if ( z === 0.0 ) {
return w;
}
return w * ( sqrt( 1.0 + abs2( z / w ) ) );
}
// EXPORTS //
module.exports = dlapy2;
|