beta()

const mpreal mpfr::beta ( const mpreal & z, const mpreal & w, mp_rnd_t rnd_mode = mpreal::get_default_rnd() )

inline

Definition at line 2357 of file mpreal.h.

{
    /*
       Beta function, uses formula (6.2.2) from Abramowitz & Stegun:
       beta(z,w) = gamma(z)*gamma(w)/gamma(z+w)
    */
    mpreal y(0,(std::max)(z.getPrecision(), w.getPrecision()));
    mpfr_beta(y.mpfr_ptr(), z.mpfr_srcptr(), w.mpfr_srcptr(), rnd_mode);
    return y;
}

References beta(), mpfr::mpreal::get_default_rnd(), mpfr::mpreal::getPrecision(), mpfr::mpreal::mpfr_ptr(), and mpfr::mpreal::mpfr_srcptr().

Referenced by beta().