Function flann_sys::flann_radius_search_float

pub unsafe extern "C" fn flann_radius_search_float(
    index_ptr: flann_index_t, 
    query: *mut f32, 
    indices: *mut c_int, 
    dists: *mut f32, 
    max_nn: c_int, 
    radius: f32, 
    flann_params: *mut FLANNParameters
) -> c_int