<?php
/**
 * @license MIT
 *
 * Modified by GravityKit using {@see https://github.com/BrianHenryIE/strauss}.
 */

namespace GFExcel\Vendor\Matrix\Decomposition;

use GFExcel\Vendor\Matrix\Exception;
use GFExcel\Vendor\Matrix\Matrix;

class Decomposition
{
    const LU = 'LU';
    const QR = 'QR';

    /**
     * @throws Exception
     */
    public static function decomposition($type, Matrix $matrix)
    {
        switch (strtoupper($type)) {
            case self::LU:
                return new LU($matrix);
            case self::QR:
                return new QR($matrix);
            default:
                throw new Exception('Invalid Decomposition');
        }
    }
}