const_pi()

const mpreal mpfr::const_pi ( mp_prec_t p = mpreal::get_default_prec(), mp_rnd_t r = mpreal::get_default_rnd() )

inline

Definition at line 2696 of file mpreal.h.

{
    mpreal x(0, p);
    mpfr_const_pi(x.mpfr_ptr(), r);
    return x;
}