Function gmp_mpfr_sys::mpfr::fms

pub unsafe extern "C" fn fms(
    rop: *mut mpfr_t, 
    op1: *const mpfr_t, 
    op2: *const mpfr_t, 
    op3: *const mpfr_t, 
    rnd: rnd_t
) -> c_int

See: mpfr_fms