atan2u()

const mpreal mpfr::atan2u ( const mpreal & y, const mpreal & x, unsigned long u, mp_rnd_t rnd_mode = mpreal::get_default_rnd() )

inline

Definition at line 2400 of file mpreal.h.

{
    /*
        atan2u(y,x,u) = atan(|y/x|)*u/(2*pi)   for x > 0
        atan2u(y,x,u) = 1-atan(|y/x|)*u/(2*pi) for x < 0
    */
    mpreal a(0, (std::max)(y.getPrecision(), x.getPrecision()));
    mpfr_atan2u(a.mpfr_ptr(), y.mpfr_srcptr(), x.mpfr_srcptr(), u, rnd_mode);
    return a;
}

References atan2u(), mpfr::mpreal::get_default_rnd(), mpfr::mpreal::getPrecision(), mpfr::mpreal::mpfr_ptr(), mpfr::mpreal::mpfr_srcptr(), and x.

Referenced by atan2u().