(m, x, prec, rnd=round_fast)
return mpc_psi(m, (x, fzero), prec, rnd)[0]
Computation of the polygamma function of arbitrary integer order
    m >= 0, for a real argument x.
Computation of the polygamma function of arbitrary integer order
    m >= 0, for a real argument x.
Computation of the polygamma function of arbitrary integer order m > = 0 for a real argument x .
def mpf_psi(m, x, prec, rnd=round_fast):
    """
    Computation of the polygamma function of arbitrary integer order
    m >= 0, for a real argument x.
    """
    if m == 0:
        return mpf_psi0(x, prec, rnd=round_fast)
    return mpc_psi(m, (x, fzero), prec, rnd)[0]
def mpf_psi ( m , x , prec , rnd = round_fast ) : if m == 0 : return mpf_psi0 ( x , prec , rnd = round_fast ) return mpc_psi ( m , ( x , fzero ) , prec , rnd ) [ 0 ]