59     normal() = n;  in Hyperplane()
70     normal() = n;  in Hyperplane()
80     result.normal() = (p1 - p0).unitOrthogonal();  in Through()
81     result.offset() = -result.normal().eigen2_dot(p0);  in Through()
92     result.normal() = (p2 - p0).cross(p1 - p0).normalized();  in Through()
93     result.offset() = -result.normal().eigen2_dot(p0);  in Through()
104     normal() = parametrized.direction().unitOrthogonal();  in Hyperplane()
105     offset() = -normal().eigen2_dot(parametrized.origin());  in Hyperplane()
116     m_coeffs /= normal().norm();  in normalize()
122 …inline Scalar signedDistance(const VectorType& p) const { return p.eigen2_dot(normal()) + offset()…  in signedDistance()
131 …inline VectorType projection(const VectorType& p) const { return p - signedDistance(p) * normal();…  in projection()
136 …inline const NormalReturnType normal() const { return NormalReturnType(*const_cast<Coefficients*>(…  in normal()  function
141   inline NormalReturnType normal() { return NormalReturnType(m_coeffs,0,0,dim(),1); }  in normal()  function
199       normal() = mat.inverse().transpose() * normal();
201       normal() = mat * normal();
220     offset() -= t.translation().eigen2_dot(normal());