besseljn()

const mpreal mpfr::besseljn ( long n, const mpreal & x, mp_rnd_t r = mpreal::get_default_rnd() )

inline

Definition at line 2541 of file mpreal.h.

{
    mpreal  y(0, x.getPrecision());
    mpfr_jn(y.mpfr_ptr(), n, x.mpfr_srcptr(), r);
    return y;
}