public function norm()
    {
        if ($this->original) {
            return $this->original->rho;
        }

        return sqrt(pow($this->float_r, 2) + pow($this->float_i, 2));
    }
public function norm()
    {
        if ($this->original) {
            return $this->original->rho;
        }

        return sqrt(pow($this->float_r, 2) + pow($this->float_i, 2));
    }
public function norm ( ) { if ( $ this -> original ) { return $ this -> original -> rho ; } return sqrt ( pow ( $ this -> float_r , 2 ) + pow ( $ this -> float_i , 2 ) ) ; }
Computes and returns the norm.

@access public
@return float
Computes and returns the norm .