src/Maths/Algebra/Matrix.php
public function rewind()
    {
        if ($this->getWalkFlag() & self::WALK_X) {
            return $this->rewindX();
        } elseif ($this->getWalkFlag() & self::WALK_Y) {
            return $this->rewindY();
        } else {
            return $this->rewindXY();
        }
    }
public function rewind()
    {
        if ($this->getWalkFlag() & self::WALK_X) {
            return $this->rewindX();
        } elseif ($this->getWalkFlag() & self::WALK_Y) {
            return $this->rewindY();
        } else {
            return $this->rewindXY();
        }
    }
Rewind a matrix according to its flag value

@return  $this
@see     self::rewindX()
@see     self::rewindY()
@see     self::rewindXY()