num::jacobi_rotation

Defined in header <linear/eigen/jacobi_eig.hpp>

template <std::floating_point T>
void jacobi_rotation(T app, T aqq, T apq, T &c, T &s) noexcept;

Computes Jacobi rotation parameters \((c, s)\) annihilating off-diagonal entry \(A_{pq}\) in a symmetric \(2 \times 2\) block.