Function opt_epoch 

pub unsafe fn opt_epoch(
    ctx: *mut llama_context,
    dataset: ggml_opt_dataset_t,
    result_train: ggml_opt_result_t,
    result_eval: ggml_opt_result_t,
    idata_split: i64,
    callback_train: ggml_opt_epoch_callback,
    callback_eval: ggml_opt_epoch_callback,
)

Run one training epoch.

Safety

All pointers and handles must be valid.