/**
* Constructor
*
* Create new class.
*/
public function __construct()
{
parent::__construct(2);
}
/**
* Constructor
*
* Create new class.
* @param int $coefficients Number of coefficients (default is 2).
*/
public function __construct($coefficients = 2)
{
assert($coefficients >= 2);
parent::__construct($coefficients);
}
