All files dlasq6.js

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/**
* @license Apache-2.0
*
* Copyright (c) 2026 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 base = require( './base.js' );
 
 
// MAIN //
 
/**
* Computes one dqd transform in ping-pong form.
*
* ## Notes
*
* -   Z is a 1-D array of length >= 4*N0 storing interleaved q/e values.
* -   PP is 0 for ping, 1 for pong.
*
* @param {integer} I0 - the first index
* @param {integer} N0 - the last index
* @param {Float64Array} Z - the QD array
* @param {boolean} PP - ping-pong flag (0 or 1)
* @param {Float64Array} out - output array containing `DMIN`, `DMIN1`, `DMIN2`, `DN`, `DNM1`, and `DNM2` respectively
* @returns {Float64Array} output array
*
* @example
* var Float64Array = require( '@stdlib/array/float64' );
*
* var out = new Float64Array( 6 );
* var Z = new Float64Array( [ 5, 0, 7, 0, 9, 0, 3, 0, 11, 0, 4, 0, 20, 0, 0, 0 ] );
*
* dlasq6( 0, 3, Z, 0, out );
* // out => <Float64Array>[ 3.75, 3.75, 3.75, ~12.088, ~6.111, 3.75 ]
*/
function dlasq6( I0, N0, Z, PP, out ) {
	return base( I0, N0, Z, 1, 0, PP, out, 1, 0 );
}
 
 
// EXPORTS //
 
module.exports = dlasq6;