pub unsafe extern "C" fn fann_get_rprop_delta_zero(
    ann: *const fann
) -> c_float
Expand description

The initial step size is a positive number determining the initial step size.

The default delta zero is 0.1.

§See also

fann_set_rprop_delta_zero, fann_get_rprop_delta_min, fann_get_rprop_delta_max

This function appears in FANN >= 2.1.0.