File "Decomposition.php"

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<?php

namespace Matrix\Decomposition;

use Matrix\Exception;
use 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');
        }
    }
}