#[unsafe(no_mangle)]pub extern "C" fn nmmin(
_n: c_int,
_xin: *mut f64,
_x: *mut f64,
_fmin: *mut f64,
_fn_ptr: *const (),
_fail: *mut c_int,
_abstol: f64,
_intol: f64,
_ex: *mut c_void,
_alpha: f64,
_beta: f64,
_gamma: f64,
_trace: c_int,
_fncount: *mut c_int,
_maxit: c_int,
)