pub fn e2_norm<N, R1, C1, S1, R2, C2, S2>(
m1: &Matrix<N, R1, C1, S1>,
m2: &Matrix<N, R2, C2, S2>,
scale: N,
) -> N::RealFieldwhere
N: ComplexField,
R1: Dim,
C1: Dim,
S1: Storage<N, R1, C1>,
R2: Dim,
C2: Dim,
S2: Storage<N, R2, C2>,
ShapeConstraint: SameNumberOfRows<R1, R2> + SameNumberOfColumns<C1, C2>,