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antd-lua-plugin/lib/ann/fann/examples/momentums.c
2018-09-19 15:08:49 +02:00

60 lines
1.9 KiB
C

/*
Fast Artificial Neural Network Library (fann)
Copyright (C) 2003-2016 Steffen Nissen (steffen.fann@gmail.com)
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA02111-1307USA
*/
#include <stdio.h>
#include "fann.h"
int main()
{
const unsigned int num_layers = 3;
const unsigned int num_neurons_hidden = 96;
const float desired_error = (const float) 0.001;
struct fann *ann;
struct fann_train_data *train_data, *test_data;
float momentum;
train_data = fann_read_train_from_file("../../datasets/robot.train");
test_data = fann_read_train_from_file("../../datasets/robot.test");
for ( momentum = 0.0f; momentum < 0.7f; momentum += 0.1f )
{
printf("============= momentum = %f =============\n", momentum);
ann = fann_create_standard(num_layers,
train_data->num_input, num_neurons_hidden, train_data->num_output);
fann_set_training_algorithm(ann, FANN_TRAIN_INCREMENTAL);
fann_set_learning_momentum(ann, momentum);
fann_train_on_data(ann, train_data, 2000, 500, desired_error);
printf("MSE error on train data: %f\n", fann_test_data(ann, train_data));
printf("MSE error on test data : %f\n", fann_test_data(ann, test_data));
fann_destroy(ann);
}
fann_destroy_train(train_data);
fann_destroy_train(test_data);
return 0;
}