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-rw-r--r--ai/Net.cpp290
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diff --git a/ai/Net.cpp b/ai/Net.cpp
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-/////////////////////////////////////////////////////////////////////////////
-// Name: ai/Net.cpp
-// Purpose: An artificial neural network class
-// Author: Ben Boeckel
-// Modified by: Ben Boeckel
-// Created: Fri May 4 19:56:27 2007
-// Copyright: ©2007 Nerdy Productions
-// Licence:
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program 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 General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License along
-// with this program. If not, see <http://www.gnu.org/licenses/>.
-/////////////////////////////////////////////////////////////////////////////
-
-#include "Net.h"
-
-PokeGen::NeuralNetwork::Net::Net(const QList<unsigned>& nodes)
-{
- for (int i = 0; i < nodes.size(); ++i)
- AddLayer(i, nodes[i]);
-}
-
-void PokeGen::NeuralNetwork::Net::SaveData(const QString& fname) const
-{
- Ini nnData("NeuralNet");
- nnData.AddField("numLayers", GetNumLayers());
- for (unsigned i = 0; i < GetNumLayers(); ++i)
- layers[i].SaveData(nnData, i);
- nnData.Export(fname);
-}
-
-PokeGen::NeuralNetwork::Net* PokeGen::NeuralNetwork::Net::LoadData(const QString& fname)
-{
- Ini t;
-
-
- Net* temp = new Net;
- QFile fin(fname);
- fin.open(QIODevice::ReadOnly | QIODevice::Text);
- if (fin.isOpen())
- {
- char next;
- while (fin.getChar(&next))
- {
- if (next == '-')
- {
- bool ok;
- unsigned i = QString(fin.readLine()).toUInt(&ok);
- if (ok)
- {
- temp->AddLayer(temp->GetNumLayers(), i);
- for (unsigned j = 0; (j < i) && fin.getChar(&next); ++j)
- {
- if (next == '+')
- {
- if (!temp->layers[temp->GetNumLayers() - 1].AddNode(fin.readLine()))
- {
- delete temp;
- return NULL;
- }
- }
- else
- {
- delete temp;
- return NULL;
- }
- }
- }
- }
- else
- {
- delete temp;
- return NULL;
- }
- }
- }
- else
- {
- delete temp;
- return NULL;
- }
- return temp;
-}
-
-void PokeGen::NeuralNetwork::Net::AddLayer(const unsigned place, const unsigned numNodes)
-{
- AddLayer(place, Layer(numNodes));
-}
-
-void PokeGen::NeuralNetwork::Net::AddLayer(const unsigned place, const Layer& layer)
-{
- if (place <= GetNumLayers())
- {
- layers.insert(place, layer);
- if (place)
- {
- layers[place - 1].SetChild(&layers[place]);
- layers[place].SetParent(&layers[place - 1]);
- }
- if ((place + 1) < GetNumLayers())
- {
- layers[place].SetChild(&layers[place + 1]);
- layers[place + 1].SetParent(&layers[place]);
- }
- }
-}
-
-bool PokeGen::NeuralNetwork::Net::DeleteLayer(const unsigned place)
-{
- if (place < GetNumLayers())
- {
- if (place)
- layers[place - 1].SetChild(layers[place].child);
- if ((place + 1) < GetNumLayers())
- layers[place + 1].SetParent(layers[place].parent);
- layers.removeAt(place);
- return true;
- }
- return false;
-}
-
-void PokeGen::NeuralNetwork::Net::FeedForward()
-{
- for (QList<Layer>::Iterator i = layers.begin(); i != layers.end(); ++i)
- i->CalculateValues();
-}
-
-void PokeGen::NeuralNetwork::Net::BackPropagate()
-{
- if (GetNumLayers())
- {
- QMutableListIterator<Layer> i(layers);
- for (i.toBack(); i.hasPrevious();)
- i.previous().CalculateErrors();
- if (1 < GetNumLayers())
- {
- for (i.toBack(), i.previous(); i.hasPrevious();)
- i.previous().AdjustWeights();
- }
- }
-}
-
-double PokeGen::NeuralNetwork::Net::CalculateError()
-{
- if (GetNumLayers())
- {
- double error = 0;
- for (unsigned i = 0; i < layers[GetNumLayers() - 1].GetNumNodes(); ++i)
- error += pow(layers[GetNumLayers() - 1].GetOutput(i) - layers[GetNumLayers() - 1].GetDesired(i), 2);
- return (error / layers[GetNumLayers() - 1].GetNumNodes());
- }
- return 0;
-}
-
-unsigned PokeGen::NeuralNetwork::Net::GetChoice() const
-{
- if (GetNumLayers())
- {
- double max = -DBL_MAX;
- unsigned choice = 0;
- for (unsigned i = 0; i < layers[GetNumLayers() - 1].GetNumNodes(); ++i)
- {
- if (max < GetOutput(i))
- {
- max = GetOutput(i);
- choice = i;
- }
- }
- return choice;
- }
- return UINT_MAX;
-}
-
-unsigned PokeGen::NeuralNetwork::Net::GetNumLayers() const
-{
- return layers.size();
-}
-
-unsigned PokeGen::NeuralNetwork::Net::GetNumNodes(const unsigned layer) const
-{
- if (layer < GetNumLayers())
- return layers[layer].GetNumNodes();
- return 0;
-}
-
-bool PokeGen::NeuralNetwork::Net::SetInput(const unsigned n, const double i)
-{
- if (GetNumLayers())
- return layers[0].SetInput(n, i);
- return false;
-}
-
-bool PokeGen::NeuralNetwork::Net::SetDesired(const unsigned n, const double o)
-{
- if (GetNumLayers())
- return layers[GetNumLayers() - 1].SetDesired(n, o);
- return false;
-}
-
-bool PokeGen::NeuralNetwork::Net::SetMomentum(const unsigned layer, const unsigned n, const double m)
-{
- if (layer < GetNumLayers())
- return layers[layer].SetMomentum(n, m);
- return false;
-}
-
-bool PokeGen::NeuralNetwork::Net::SetMomentumFactor(const unsigned layer, const unsigned n, const double m)
-{
- if (layer < GetNumLayers())
- return layers[layer].SetMomentumFactor(n, m);
- return false;
-}
-
-bool PokeGen::NeuralNetwork::Net::SetLearnRate(const unsigned layer, const unsigned n, const double l)
-{
- if (layer < GetNumLayers())
- return layers[layer].SetLearnRate(n, l);
- return false;
-}
-
-bool PokeGen::NeuralNetwork::Net::SetFunction(const unsigned layer, const unsigned n, const unsigned f)
-{
- if (layer < GetNumLayers())
- return layers[layer].SetFunction(n, f);
- return false;
-}
-
-double PokeGen::NeuralNetwork::Net::GetOutput(const unsigned n) const
-{
- if (GetNumLayers())
- return layers[GetNumLayers() - 1].GetOutput(n);
- return 0;
-}
-
-double PokeGen::NeuralNetwork::Net::GetError(const unsigned layer, const unsigned n) const
-{
- if (layer < GetNumLayers())
- return layers[layer].GetError(n);
- return 0;
-}
-
-double PokeGen::NeuralNetwork::Net::GetMomentum(const unsigned layer, const unsigned n) const
-{
- if (layer < GetNumLayers())
- return layers[layer].GetMomentum(n);
- return 0;
-}
-
-double PokeGen::NeuralNetwork::Net::GetMomentumFactor(const unsigned layer, const unsigned n) const
-{
- if (layer < GetNumLayers())
- return layers[layer].GetMomentumFactor(n);
- return 0;
-}
-
-double PokeGen::NeuralNetwork::Net::GetLearnRate(const unsigned layer, const unsigned n) const
-{
- if (layer < GetNumLayers())
- return layers[layer].GetLearnRate(n);
- return 0;
-}
-
-unsigned PokeGen::NeuralNetwork::Net::GetFunction(const unsigned layer, const unsigned n) const
-{
- if (layer < GetNumLayers())
- return layers[layer].GetFunction(n);
- return 0;
-}
-
-double PokeGen::NeuralNetwork::Net::GetWeight(const unsigned layer, const unsigned n, const unsigned i) const
-{
- if (layer < GetNumLayers())
- return layers[layer].GetWeight(n, i);
- return 0;
-}
-
-double PokeGen::NeuralNetwork::Net::GetBias(const unsigned layer, const unsigned n) const
-{
- if (layer < GetNumLayers())
- return layers[layer].GetBias(n);
- return 0;
-}
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