pub fn wigner_d(l: i32, m: i32, k: i32, angles: [Complex; 3]) -> Result<Complex>Expand description
Wigner D element D^l_(mk)(phi, theta, psi) = e^(-i m phi) d^l_(mk)(theta) e^(-i k psi)
in the z-y-z convention, allowing complex Euler angles.
Upstream: treams.special.wignerd. Differences: as wigner_small_d.