public void InputPlaneGetColumnsFromCentreTest()
{
Random rnd = Global.rnd;
NetConfigData.SetDefaults();
for (int testNum = 0; testNum < Global.Tests.TestNumLoops; testNum++)
{
int planeX = rnd.Next(0, 50);
int planeY = rnd.Next(0, 50);
int centreX = rnd.Next(0, planeX);
int centreY = rnd.Next(0, planeY);
int radius = rnd.Next(0, 50 / 2);
InputPlane ip = new InputPlane(planeX, planeY);
List <Column> desiredResult = new List <Column>(); //correct result list for compare
List <Column> result = ip.GetColumnsFromCentre(centreX, centreY, radius, true);
for (int x = 0; x < ip.NumColumnsX; x++)
{
for (int y = 0; y < ip.NumColumnsY; y++)
{
Column col = ip.Columns[x][y];
if (Algebra.EuclideanDistance2D(centreX, centreY, col.X, col.Y) <= radius)
{
desiredResult.Add(col);
}
}
}
//compare desired and actual lists
Assert.AreEqual(result.Count, desiredResult.Count);
for (int i = 0; i < desiredResult.Count; i++)
{
Assert.AreSame(desiredResult[i], result[i]);
}
}
}
public void CellCreateBasalConnectionsTest()
{
Random rnd = Global.rnd;
NetConfigData.SetDefaults();
for (int testNum = 0; testNum < Global.Tests.TestNumLoops; testNum++)
{
Debug.WriteLine("CellCreateBasalConnectionsTest testNum=" + testNum.ToString());
//Layer
int LayerColumnsX = rnd.Next(1, 20);
int layerColumnsY = rnd.Next(1, 20);
int layerNumCellsInColumn = rnd.Next(1, 5);
Layer lr = new Layer(LayerColumnsX, layerColumnsY, layerNumCellsInColumn);
int numColumns = lr.NumColumnsX * lr.NumColumnsY;
//select random Column in Layer
int columnX = rnd.Next(0, lr.NumColumnsX);
int columnY = rnd.Next(0, lr.NumColumnsY);
Column column = lr.Columns[columnX][columnY];
//random % coverage
double zoneSizePerc = rnd.NextDouble();
double zoneCoveragePerc = rnd.NextDouble();
lr.ZoneSizePercProximal = zoneSizePerc;
lr.ZoneCoveragePercProximal = zoneCoveragePerc;
lr.ZoneSizePercBasal = zoneSizePerc;
lr.ZoneCoveragePercBasal = zoneCoveragePerc;
double radius = lr.CalcRadius(zoneSizePerc);
//for each column, count unique connected columns
List <Column> PotentialColumnsList = new List <Column>(); //list of columns within radius (potential connections)
List <Column> ConnectedColumnsList = new List <Column>(); //list of columns connected to (actual connections)
//calculate number of connections that will be created
PotentialColumnsList = lr.GetColumnsFromCentre(column.X, column.Y, radius, false);
int numToConnect = (int)(PotentialColumnsList.Count * zoneCoveragePerc);
foreach (Cell cell in column.Cells)
{
ConnectedColumnsList.Clear();
cell.CreateBasalSynapses(PotentialColumnsList, zoneCoveragePerc);
int numConnected = cell.CountBasalSynapses();
foreach (Synapse syn in cell.BasalDendrite.Synapses)
{
Column cc = syn.ColumnConnected;
Assert.IsNotNull(cc);
Assert.AreNotSame(column, cc); //check column not connected to itself
double distance = Algebra.EuclideanDistance2D(cc.X, cc.Y, column.X, column.Y);
Assert.IsTrue(distance <= radius);
Assert.IsTrue(distance > 0);
//add unique connected columns to list to obtain
//connected columns counter for each synapse
bool columnOnList = false;
foreach (Column connectedColumn in ConnectedColumnsList)
{
if (connectedColumn == cc)
{
columnOnList = true;
}
}
if (!columnOnList)
{
ConnectedColumnsList.Add(cc);
}
}
//check correct # columns connected to each Cell
Assert.AreEqual(ConnectedColumnsList.Count, numToConnect);
Assert.AreEqual(ConnectedColumnsList.Count, numConnected);
Assert.AreEqual(numConnected, numToConnect);
}
}
}
public void SynapseBasalUpdateTest()
{
Random rnd = Global.rnd;
NetConfigData.SetDefaults();
for (int testNum = 0; testNum < Global.Tests.TestNumLoops; testNum++)
{
Column col = new Column(0, 0, rnd.Next(1, 10));
SynapseBasal syn = new SynapseBasal(col);
//predicting column
col.OverridePredicting(true, 0);
syn.OverridePermanence(NetConfigData.SynapsePermanenceThreshold + NetConfigData.SynapsePermanenceIncrease);
syn.Update();
Assert.IsTrue(syn.IsActive);
//drop permanence
col.OverridePredicting(true, 0);
syn.OverridePermanence(NetConfigData.SynapsePermanenceThreshold - 2 * NetConfigData.SynapsePermanenceIncrease);
syn.Update();
Assert.IsFalse(syn.IsActive); //false on first update
syn.Update();
Assert.IsTrue(syn.IsActive); //true on second update
//column not predicting
col.OverridePredicting(false, 0);
syn.OverridePermanence(NetConfigData.SynapsePermanenceThreshold + NetConfigData.SynapsePermanenceIncrease);
syn.Update();
Assert.IsFalse(syn.IsActive);
//column predicting
col.OverridePredicting(true, 0);
syn.OverridePermanence(NetConfigData.SynapsePermanenceThreshold + NetConfigData.SynapsePermanenceIncrease);
syn.Update();
Assert.IsTrue(syn.IsActive);
//random permanence, column active
col.OverridePredicting(true, 0);
syn.OverridePermanence(rnd.NextDouble());
syn.Update();
if (syn.Permanence >= NetConfigData.SynapsePermanenceThreshold)
{
Assert.IsTrue(syn.IsActive);
}
else
{
Assert.IsFalse(syn.IsActive);
}
//random permanence, column not active
col.OverridePredicting(false, 0);
syn.OverridePermanence(rnd.NextDouble());
syn.Update();
if (syn.Permanence >= NetConfigData.SynapsePermanenceThreshold)
{
Assert.IsFalse(syn.IsActive);
}
else
{
Assert.IsFalse(syn.IsActive);
}
}
}
public void CellUpdateTest()
{
Random rnd = Global.rnd;
NetConfigData.SetDefaults();
//override global params
NetConfigData.ColumnsTopPercentile = 0;
NetConfigData.ColumnStimulusThreshold = 1;
NetConfigData.SynapsePermanenceIncrease = 0.0;
NetConfigData.SynapsePermanenceDecrease = 0.0;
for (int testNum = 0; testNum < Global.Tests.TestNumLoops; testNum++)
{
Debug.WriteLine("CellUpdateTest testNum=" + testNum.ToString());
//Layer
int layerColumnsX = rnd.Next(1, 10);
int layerColumnsY = layerColumnsX > 1 ? rnd.Next(1, 10) : rnd.Next(2, 10);
int layerNumCellsInColumn = rnd.Next(1, 5);
Layer lr = new Layer(layerColumnsX, layerColumnsY, layerNumCellsInColumn);
int lrNumColumns = lr.NumColumnsX * lr.NumColumnsY;
// create synapses
//lr.ConnectBasal(1, 1);
lr.ConnectColumns(null);
lr.Override(false, false);
for (int x = 0; x < lr.NumColumnsX; x++)
{
for (int y = 0; y < lr.NumColumnsY; y++)
{
Column col = lr.Columns[x][y];
foreach (Cell cell in col.Cells)
{
cell.Update();
Assert.IsFalse(col.IsPredicting);
}
}
}
lr.Override(false, true);
for (int x = 0; x < lr.NumColumnsX; x++)
{
for (int y = 0; y < lr.NumColumnsY; y++)
{
Column col = lr.Columns[x][y];
foreach (Cell cell in col.Cells)
{
cell.Update();
Assert.IsTrue(col.IsPredicting);
}
}
}
lr.Override(true, false);
for (int x = 0; x < lr.NumColumnsX; x++)
{
for (int y = 0; y < lr.NumColumnsY; y++)
{
Column col = lr.Columns[x][y];
foreach (Cell cell in col.Cells)
{
cell.Update();
Assert.IsFalse(col.IsPredicting);
}
}
}
lr.Override(true, true);
for (int x = 0; x < lr.NumColumnsX; x++)
{
for (int y = 0; y < lr.NumColumnsY; y++)
{
Column col = lr.Columns[x][y];
foreach (Cell cell in col.Cells)
{
cell.Update();
Assert.IsTrue(col.IsPredicting);
}
}
}
//decrease Basal permanences
lr.Override(false, false);
lr.OverrideBasalPermanences(NetConfigData.SynapsePermanenceThreshold - 2 * NetConfigData.SynapsePermanenceIncrease);
for (int x = 0; x < lr.NumColumnsX; x++)
{
for (int y = 0; y < lr.NumColumnsY; y++)
{
Column col = lr.Columns[x][y];
foreach (Cell cell in col.Cells)
{
cell.Update();
Assert.IsFalse(cell.IsPredicting); //false after first update
cell.Update();
Assert.IsFalse(cell.IsPredicting); //false after second update
}
}
}
NetConfigData.SynapsePermanenceIncrease = 0.01;
NetConfigData.SynapsePermanenceDecrease = 0.01;
lr.Override(false, true);
lr.OverrideBasalPermanences(NetConfigData.SynapsePermanenceThreshold - 2 * NetConfigData.SynapsePermanenceIncrease);
for (int x = 0; x < lr.NumColumnsX; x++)
{
for (int y = 0; y < lr.NumColumnsY; y++)
{
Column col = lr.Columns[x][y];
foreach (Cell cell in col.Cells)
{
cell.Update();
Assert.IsFalse(cell.IsPredicting); //false after first update
cell.Update();
Assert.IsTrue(cell.IsPredicting); //true after second update
}
}
}
lr.Override(true, false);
lr.OverrideBasalPermanences(NetConfigData.SynapsePermanenceThreshold - 2 * NetConfigData.SynapsePermanenceIncrease);
for (int x = 0; x < lr.NumColumnsX; x++)
{
for (int y = 0; y < lr.NumColumnsY; y++)
{
Column col = lr.Columns[x][y];
foreach (Cell cell in col.Cells)
{
cell.Update();
Assert.IsFalse(cell.IsPredicting); //false after first update
cell.Update();
Assert.IsFalse(cell.IsPredicting); //false after second update
}
}
}
lr.Override(true, true);
lr.OverrideBasalPermanences(NetConfigData.SynapsePermanenceThreshold - 2 * NetConfigData.SynapsePermanenceIncrease);
for (int x = 0; x < lr.NumColumnsX; x++)
{
for (int y = 0; y < lr.NumColumnsY; y++)
{
Column col = lr.Columns[x][y];
foreach (Cell cell in col.Cells)
{
cell.Update();
Assert.IsFalse(cell.IsPredicting); //false after first update
cell.Update();
Assert.IsTrue(cell.IsPredicting); //true after second update
}
}
}
//increase Basal permanences
lr.Override(false, false);
lr.OverrideBasalPermanences(NetConfigData.SynapsePermanenceThreshold);
for (int x = 0; x < lr.NumColumnsX; x++)
{
for (int y = 0; y < lr.NumColumnsY; y++)
{
Column col = lr.Columns[x][y];
foreach (Cell cell in col.Cells)
{
cell.Update();
Assert.IsFalse(cell.IsPredicting); //false after first update
cell.Update();
Assert.IsFalse(cell.IsPredicting); //false after second update
}
}
}
lr.Override(false, true);
lr.OverrideBasalPermanences(NetConfigData.SynapsePermanenceThreshold);
for (int x = 0; x < lr.NumColumnsX; x++)
{
for (int y = 0; y < lr.NumColumnsY; y++)
{
Column col = lr.Columns[x][y];
foreach (Cell cell in col.Cells)
{
cell.Update();
Assert.IsTrue(cell.IsPredicting); //true after first update
cell.Update();
Assert.IsTrue(cell.IsPredicting); //true after second update
}
}
}
lr.Override(true, false);
lr.OverrideBasalPermanences(NetConfigData.SynapsePermanenceThreshold);
for (int x = 0; x < lr.NumColumnsX; x++)
{
for (int y = 0; y < lr.NumColumnsY; y++)
{
Column col = lr.Columns[x][y];
foreach (Cell cell in col.Cells)
{
cell.Update();
Assert.IsFalse(cell.IsPredicting); //false after first update
cell.Update();
Assert.IsFalse(cell.IsPredicting); //false after second update
}
}
}
lr.Override(true, true);
lr.OverrideBasalPermanences(NetConfigData.SynapsePermanenceThreshold);
for (int x = 0; x < lr.NumColumnsX; x++)
{
for (int y = 0; y < lr.NumColumnsY; y++)
{
Column col = lr.Columns[x][y];
foreach (Cell cell in col.Cells)
{
cell.Update();
Assert.IsTrue(cell.IsPredicting); //true after first update
cell.Update();
Assert.IsTrue(cell.IsPredicting); //true after second update
}
}
}
//need to implement following tests:
//
//1. col Active 0 Predicting 0
//2. col Active 0 Predicting 1
//3. col Active 1 Predicting 0
//4. col Active 1 Predicting 1
//
//with following variants:
//
//a. due to EXTERNAL factors
//
// Predicting - own Layer Predicting 0
//
//b. due to INTERNAL factors
//
//
// Predicting - BasalDendrite
// - due to number of BasalSynapses to own Layer columns
// - due to BasalSynapses Permanence values
// Predicting - own Layer Predicting 0
lr.OverrideActive(true);
lr.OverridePredicting(true);
for (int x = 0; x < lr.NumColumnsX; x++)
{
for (int y = 0; y < lr.NumColumnsY; y++)
{
Column col = lr.Columns[x][y];
foreach (Cell cell in col.Cells)
{
cell.BasalDendrite.OverrideActivationThreshold(Global.DENDRITE_INITIAL_ACTIVATION_THRESHOLD + 1);
foreach (SynapseBasal syn in cell.BasalDendrite.Synapses)
{
syn.ColumnConnected.OverridePredicting(false, 0);
}
cell.Update();
Assert.IsFalse(cell.IsPredicting); //false after first update
cell.Update();
Assert.IsFalse(cell.IsPredicting); //false after second update
}
}
}
lr.OverrideBasalDendriteActivationThreshold(1);
// Predicting - BasalDendrite
// - due to number of BasalSynapses to own Layer columns
lr.OverrideActive(true);
lr.OverridePredicting(true);
for (int x = 0; x < lr.NumColumnsX; x++)
{
for (int y = 0; y < lr.NumColumnsY; y++)
{
Column col = lr.Columns[x][y];
foreach (Cell cell in col.Cells)
{
//require X synapses active to activate
cell.BasalDendrite.OverrideActivationThreshold(cell.BasalDendrite.Synapses.Count - rnd.Next(1, 10));
//remove snapses until less than threshold
while (cell.BasalDendrite.Synapses.Count >= cell.BasalDendrite.ActivationThreshold)
{
SynapseBasal syn = cell.BasalDendrite.Synapses[0];
cell.BasalDendrite.Synapses.Remove(syn);
}
cell.Update();
Assert.IsFalse(cell.IsPredicting); //false after first update
cell.Update();
Assert.IsFalse(cell.IsPredicting); //false after second update
}
}
}
//lr.ConnectBasal(1, 1);
lr.ConnectColumns(null);
lr.OverrideBasalDendriteActivationThreshold(1);
// Predicting - BasalDendrite
// - due to BasalSynapses Permanence values
lr.OverrideActive(true);
lr.OverridePredicting(true);
for (int x = 0; x < lr.NumColumnsX; x++)
{
for (int y = 0; y < lr.NumColumnsY; y++)
{
Column col = lr.Columns[x][y];
foreach (Cell cell in col.Cells)
{
cell.BasalDendrite.OverridePermanence(NetConfigData.SynapsePermanenceThreshold - 2 * NetConfigData.SynapsePermanenceIncrease);
cell.Update();
Assert.IsFalse(cell.IsPredicting); //false after first update
cell.Update();
Assert.IsTrue(cell.IsPredicting); //true after second update
}
}
}
}
//restore global params
NetConfigData.SetDefaults();
}
public void ColumnCreateProximalConnectionsTest()
{
Random rnd = Global.rnd;
NetConfigData.SetDefaults();
for (int testNum = 0; testNum < Global.Tests.TestNumLoops; testNum++)
{
//Layer
int layerColumnsX = rnd.Next(1, 20);
int layerColumnsY = rnd.Next(1, 20);
int layerNumCellsInColumn = rnd.Next(1, 10);
layerNumCellsInColumn = 1;
Layer lr = new Layer(layerColumnsX, layerColumnsY, layerNumCellsInColumn);
//Inputlane
int inputPlaneX = rnd.Next(1, 20);
int inputPlaneY = rnd.Next(1, 20);
InputPlane ip = new InputPlane(inputPlaneX, inputPlaneY);
//random % coverage
double zoneSizePerc = rnd.NextDouble();
double zoneCoveragePerc = rnd.NextDouble();
lr.ZoneSizePercProximal = zoneSizePerc;
lr.ZoneCoveragePercProximal = zoneCoveragePerc;
lr.ZoneSizePercBasal = zoneSizePerc;
lr.ZoneCoveragePercBasal = zoneCoveragePerc;
double radius = ip.CalcRadius(zoneSizePerc);
List <Column> PotentialColumnsList = new List <Column>(); //list of columns within radius (potential connections)
List <Column> ConnectedColumnsList = new List <Column>(); //list of columns connected to (actual connections)
for (int y = 0; y < lr.NumColumnsY; y++)
{
for (int x = 0; x < lr.NumColumnsX; x++)
{
Column column = lr.Columns[x][y];
//scale between InputPlane and Layer location positions
int scaledX, scaledY;
lr.MapPoint(column.X, column.Y, ip, out scaledX, out scaledY);
//calculate number of connections that will be created
PotentialColumnsList = ip.GetColumnsFromCentre(scaledX, scaledY, radius, true);
int numToConnect = column.CalcNumProximalSynapsesToCreate(lr, ip, zoneSizePerc, zoneCoveragePerc);
column.CreateProximalSynapses(lr, ip, radius, zoneCoveragePerc);
int numConnected = column.CountProximalSynapses();
//build check-list of connected columns
ConnectedColumnsList.Clear();
foreach (Synapse syn in column.ProximalDendrite.Synapses)
{
Column cc = syn.ColumnConnected;
Assert.IsNotNull(cc);
Assert.AreNotSame(column, cc); //check column not connected to itself (here column is stand-alone...)
double distance = Algebra.EuclideanDistance2D(scaledX, scaledY, cc.X, cc.Y);
Assert.IsTrue(distance <= radius);
//add unique connected columns to list to obtain
//connected columns counter for each synapse
bool columnOnList = false;
foreach (Column connectedColumn in ConnectedColumnsList)
{
if (connectedColumn == cc)
{
columnOnList = true;
}
}
if (!columnOnList)
{
ConnectedColumnsList.Add(cc);
}
}
//check correct # columns connected to each Column
Assert.AreEqual(ConnectedColumnsList.Count, numToConnect);
Assert.AreEqual(ConnectedColumnsList.Count, numConnected);
Assert.AreEqual(numConnected, numToConnect);
}
}
}
}
public void ColumnUpdate_ColumnLevelTest()
{
Random rnd = Global.rnd;
NetConfigData.SetDefaults();
for (int testNum = 0; testNum < Global.Tests.TestNumLoops; testNum++)
{
Debug.WriteLine("ColumnUpdateBasalTest testNum=" + testNum.ToString());
//Layer
int layerColumnsX = rnd.Next(1, 10);
int layerColumnsY = layerColumnsX > 1 ? rnd.Next(1, 10) : rnd.Next(2, 10);
int layerNumCellsInColumn = rnd.Next(1, 5);
//layerColumnsX = 2;
//layerColumnsY = 4;
//layerNumCellsInColumn = 2;
Layer lr = new Layer(layerColumnsX, layerColumnsY, layerNumCellsInColumn);
//InputPlane
int ipColumnsX = rnd.Next(1, 20);
int ipColumnsY = rnd.Next(1, 20);
//ipColumnsX = 4;
//ipColumnsY = 12;
InputPlane ip = new InputPlane(ipColumnsX, ipColumnsY);
// create synapses
//lr.ConnectProximal(ip, 1, 1);
//lr.ConnectBasal(1, 1);
lr.ZoneSizePercProximal = 1.0;
lr.ZoneCoveragePercProximal = 1.0;
lr.ZoneSizePercBasal = 1.0;
lr.ZoneCoveragePercBasal = 1.0;
lr.ConnectColumns(ip); //uses Leyer.ZoneSizePercProximal, ZoneCoveragePercProximal, Basal
lr.OverrideBasalPermanences(1.0);
lr.OverrideProximalPermanences(1.0);
lr.OverrideProximalDendriteActivationThreshold(Global.DENDRITE_INITIAL_ACTIVATION_THRESHOLD);
lr.OverrideBasalDendriteActivationThreshold(Global.DENDRITE_INITIAL_ACTIVATION_THRESHOLD);
lr.InhibitionEnabled = false;
int lrNumColumns = lr.NumColumnsX * lr.NumColumnsY;
int ipNumColumns = ip.NumColumnsX * ip.NumColumnsY;
foreach (List <Column> colRow in lr.Columns)
{
foreach (Column col in colRow)
{
col.CreateProximalSynapses(lr, ip, double.MaxValue, 1);
col.CreateBasalSynapses(lr, double.MaxValue, 1);
Assert.AreEqual(col.ProximalDendrite.Synapses.Count, ipNumColumns);
//need to implement following tests:
//
//1. col Active 0 Predicting 0
//2. col Active 0 Predicting 1
//3. col Active 1 Predicting 0
//4. col Active 1 Predicting 1
//
//with following variants:
//
//a. due to EXTERNAL factors
//
// Active - InputPlane Activations 0
// Predicting - own Layer Predicting 0
//
//b. due to INTERNAL factors
//
// Active - ProximalDendrite
// - due number of ProximalSynapses to InputPlane columns
// - due to ProximalSynapses Permanence values
//
// Predicting - BasalDendrite
// - due to number of BasalSynapses to own Layer columns
// - due to BasalSynapses Permanence values
lr.Override(false, false);
lr.OverrideProximalInputOverlap(0);
Assert.IsFalse(col.IsActive);
Assert.IsFalse(col.IsPredicting);
Assert.AreEqual(col.InputOverlap, 0);
col.Update_Basal();
Assert.IsFalse(col.IsActive);
Assert.IsFalse(col.IsPredicting);
Assert.AreEqual(col.InputOverlap, 0);
lr.Override(true, false);
lr.OverrideProximalInputOverlap(1);
Assert.IsTrue(col.IsActive);
Assert.IsFalse(col.IsPredicting);
Assert.AreEqual(col.InputOverlap, 1);
col.Update_Proximal();
List <Column> neighbours = lr.GetColumnsFromCentre_WithThreshold(col.X, col.Y, double.MaxValue, true, 1);
col.Update_Activation(neighbours, false);
col.Update_Basal();
Assert.IsTrue(col.IsActive);
Assert.IsFalse(col.IsPredicting);
Assert.AreEqual(col.InputOverlap, col.ProximalDendrite.Synapses.Count);
lr.Override(false, true);
lr.OverrideProximalInputOverlap(1);
Assert.IsFalse(col.IsActive);
Assert.IsTrue(col.IsPredicting);
Assert.AreEqual(col.InputOverlap, 1);
col.Update_Proximal();
neighbours = lr.GetColumnsFromCentre_WithThreshold(col.X, col.Y, double.MaxValue, true, 1);
col.Update_Activation(neighbours, false);
col.Update_Basal();
Assert.IsFalse(col.IsActive);
Assert.IsFalse(col.IsPredicting);
Assert.AreEqual(col.InputOverlap, 0);
lr.Override(true, true);
lr.OverrideProximalInputOverlap(1);
Assert.IsTrue(col.IsActive);
Assert.IsTrue(col.IsPredicting);
Assert.AreEqual(col.InputOverlap, 1);
col.Update_Proximal();
neighbours = lr.GetColumnsFromCentre_WithThreshold(col.X, col.Y, double.MaxValue, true, 1);
col.Update_Activation(neighbours, false);
col.Update_Basal();
Assert.IsTrue(col.IsActive);
Assert.IsTrue(col.IsPredicting);
Assert.AreEqual(col.InputOverlap, col.ProximalDendrite.Synapses.Count);
//IsActive - Proximal Synapses Active OFF
lr.Override(true, true);
lr.OverrideProximalInputOverlap(1);
foreach (SynapseProximal syn in col.ProximalDendrite.Synapses)
{
syn.ColumnConnected.OverrideActive(false, 2);
}
Assert.IsTrue(col.IsActive);
Assert.IsTrue(col.IsPredicting);
Assert.AreEqual(col.InputOverlap, 1);
col.Update_Proximal();
neighbours = lr.GetColumnsFromCentre_WithThreshold(col.X, col.Y, double.MaxValue, true, 1);
col.Update_Activation(neighbours, false);
col.Update_Basal();
Assert.IsFalse(col.IsActive);
Assert.IsFalse(col.IsPredicting);
Assert.AreEqual(col.InputOverlap, 0);
//IsPredicting - Basal ConnectedCells Active OFF
lr.Override(true, true);
lr.OverrideProximalInputOverlap(1);
foreach (Cell cell in col.Cells)
{
foreach (SynapseBasal syn in cell.BasalDendrite.Synapses)
{
syn.ColumnConnected.OverridePredicting(false, 2);
}
}
Assert.IsTrue(col.IsActive);
Assert.IsTrue(col.IsPredicting);
Assert.AreEqual(col.InputOverlap, 1);
col.Update_Proximal();
neighbours = lr.GetColumnsFromCentre_WithThreshold(col.X, col.Y, double.MaxValue, true, 1);
col.Update_Activation(neighbours, false);
col.Update_Basal();
Assert.IsTrue(col.IsActive);
Assert.IsFalse(col.IsPredicting);
Assert.AreEqual(col.InputOverlap, col.ProximalDendrite.Synapses.Count);
// Active - ProximalDendrite
// - due number of ProximalSynapses to InputPlane
lr.Override(true, true);
lr.OverrideProximalInputOverlap(1);
col.ProximalDendrite.OverrideActivationThreshold(col.ProximalDendrite.Synapses.Count - rnd.Next(0, 5));
while (col.ProximalDendrite.Synapses.Count >= col.ProximalDendrite.ActivationThreshold &&
col.ProximalDendrite.Synapses.Count > 1) //leave at least 1 synapse
{
SynapseProximal syn = col.ProximalDendrite.Synapses[0];
col.ProximalDendrite.Synapses.Remove(syn);
}
Assert.IsTrue(col.IsActive);
Assert.IsTrue(col.IsPredicting);
Assert.AreEqual(col.InputOverlap, 1);
col.Update_Proximal();
neighbours = lr.GetColumnsFromCentre_WithThreshold(col.X, col.Y, double.MaxValue, true, 1);
col.Update_Activation(neighbours, false);
col.Update_Basal();
Assert.IsTrue(col.IsActive);
Assert.IsTrue(col.IsPredicting);
Assert.AreEqual(col.InputOverlap, col.ProximalDendrite.Synapses.Count); //all remaining synapses
//lr.ConnectProximal(ip, 1, 1);
//lr.ConnectBasal(1, 1);
lr.ZoneSizePercProximal = 1.0;
lr.ZoneCoveragePercProximal = 1.0;
lr.ZoneSizePercBasal = 1.0;
lr.ZoneCoveragePercBasal = 1.0;
lr.ConnectColumns(ip);
lr.OverrideProximalPermanences(NetConfigData.SynapsePermanenceThreshold);
lr.OverrideProximalDendriteActivationThreshold(Global.DENDRITE_INITIAL_ACTIVATION_THRESHOLD);
// Active - ProximalDendrite
// - due to ProximalSynapses Permanence values
lr.Override(true, true);
lr.OverrideProximalInputOverlap(0);
lr.InhibitionEnabled = false;
col.ProximalDendrite.OverridePermanence(NetConfigData.SynapsePermanenceThreshold
- 2 * NetConfigData.SynapsePermanenceIncrease);
Assert.IsTrue(col.IsActive);
Assert.IsTrue(col.IsPredicting);
Assert.AreEqual(col.InputOverlap, 0);
col.Update_Proximal();
neighbours = lr.GetColumnsFromCentre_WithThreshold(col.X, col.Y, double.MaxValue, true, 0);
col.Update_Activation(neighbours, false);
col.Update_Basal();
Assert.IsFalse(col.IsActive); //first update - false
Assert.IsFalse(col.IsPredicting);
Assert.AreEqual(col.InputOverlap, 0);
col.Update_Proximal();
neighbours = lr.GetColumnsFromCentre_WithThreshold(col.X, col.Y, double.MaxValue, true, 0);
col.Update_Activation(neighbours, false);
col.Update_Basal();
Assert.IsTrue(col.IsActive); //second update - true //*********************** FAILS HERE
Assert.IsTrue(col.IsPredicting);
Assert.AreEqual(col.InputOverlap, col.ProximalDendrite.Synapses.Count);
lr.OverrideProximalPermanences(NetConfigData.SynapsePermanenceThreshold);
// Predicting - BasalDendrite
// - due to number of BasalSynapses to own Layer columns
lr.Override(true, true);
lr.OverrideProximalInputOverlap(0);
foreach (Cell cell in col.Cells)
{
cell.BasalDendrite.OverrideActivationThreshold(cell.BasalDendrite.Synapses.Count
- rnd.Next(0, 5));
while (cell.BasalDendrite.Synapses.Count >= cell.BasalDendrite.ActivationThreshold)
{
SynapseBasal syn = cell.BasalDendrite.Synapses[0];
cell.BasalDendrite.Synapses.Remove(syn);
}
}
Assert.IsTrue(col.IsActive);
Assert.IsTrue(col.IsPredicting);
Assert.AreEqual(col.InputOverlap, 0);
col.Update_Proximal();
neighbours = lr.GetColumnsFromCentre_WithThreshold(col.X, col.Y, double.MaxValue, true, 0);
col.Update_Activation(neighbours, false);
col.Update_Basal();
Assert.IsTrue(col.IsActive);
Assert.IsFalse(col.IsPredicting);
Assert.AreEqual(col.InputOverlap, col.ProximalDendrite.Synapses.Count);
//lr.ConnectBasal(1, 1);
//lr.ConnectProximal(ip, 1, 1);
lr.ZoneSizePercProximal = 1.0;
lr.ZoneCoveragePercProximal = 1.0;
lr.ZoneSizePercBasal = 1.0;
lr.ZoneCoveragePercBasal = 1.0;
lr.ConnectColumns(ip);
lr.OverrideBasalPermanences(NetConfigData.SynapsePermanenceThreshold);
lr.OverrideBasalDendriteActivationThreshold(Global.DENDRITE_INITIAL_ACTIVATION_THRESHOLD);
// Predicting - BasalDendrite
// - due to BasalSynapses Permanence values
lr.Override(true, true);
lr.OverrideProximalInputOverlap(0);
foreach (Cell cell in col.Cells)
{
cell.BasalDendrite.OverridePermanence(NetConfigData.SynapsePermanenceThreshold - 2 * NetConfigData.SynapsePermanenceIncrease);
}
Assert.IsTrue(col.IsActive);
Assert.IsTrue(col.IsPredicting);
Assert.AreEqual(col.InputOverlap, 0);
col.Update_Proximal();
neighbours = lr.GetColumnsFromCentre_WithThreshold(col.X, col.Y, double.MaxValue, true, 0);
col.Update_Activation(neighbours, false);
col.Update_Basal();
Assert.IsTrue(col.IsActive);
Assert.IsFalse(col.IsPredicting); //first update - false
Assert.AreEqual(col.InputOverlap, col.ProximalDendrite.Synapses.Count);
col.Update_Proximal();
col.Update_Activation(neighbours, false);
col.Update_Basal();
Assert.IsTrue(col.IsActive);
Assert.IsTrue(col.IsPredicting); //second update - true
Assert.AreEqual(col.InputOverlap, col.ProximalDendrite.Synapses.Count);
}
}
}
}
public void ColumnOverrideTest()
{
Random rnd = Global.rnd;
NetConfigData.SetDefaults();
for (int testNum = 0; testNum < Global.Tests.TestNumLoops; testNum++)
{
//Layer
int layerColumnsX = rnd.Next(1, 10);
int layerColumnsY;
//minimum 2 columns neeed for testing basal overrides
layerColumnsY = layerColumnsX != 1 ? layerColumnsY = rnd.Next(1, 10) : layerColumnsY = rnd.Next(2, 10);
int layerNumCellsInColumn = rnd.Next(1, 5);
//layerColumnsX = 8;
//layerColumnsY = 8;
//layerNumCellsInColumn = 2;
Layer lr = new Layer(layerColumnsX, layerColumnsY, layerNumCellsInColumn);
//InputPlane
int ipColumnsX = rnd.Next(1, 10);
int ipColumnsY = rnd.Next(1, 10);
//ipColumnsX = 1;
//ipColumnsY = 6;
InputPlane ip = new InputPlane(ipColumnsX, ipColumnsY);
for (int y = 0; y < lr.NumColumnsY; y++)
{
for (int x = 0; x < lr.NumColumnsX; x++)
{
Column col = lr.Columns[x][y];
col.CreateProximalSynapses(lr, ip, double.MaxValue, 1);
col.CreateBasalSynapses(lr, double.MaxValue, 1);
col.OverrideProximalPermanence(1.0);
col.OverrideBasalPermanences(1.0);
col.OverrideActive(false, 0);
col.OverridePredicting(false, 0);
Assert.IsFalse(col.IsActive);
Assert.IsFalse(col.IsPredicting);
Assert.IsFalse(col.ProximalDendrite.Synapses[0].ColumnConnected.IsActive);
Assert.IsFalse(col.ProximalDendrite.Synapses[0].ColumnConnected.IsPredicting);
Assert.AreEqual(ip.CountActiveColumns(), 0);
Assert.AreEqual(lr.CountActiveColumns(), 0);
Assert.AreEqual(ip.CountPredictingColumns(), 0);
Assert.AreEqual(lr.CountPredictingColumns(), 0);
col.OverrideActive(false, 0);
col.OverridePredicting(true, 0);
Assert.IsFalse(col.IsActive);
Assert.IsTrue(col.IsPredicting);
Assert.IsFalse(col.ProximalDendrite.Synapses[0].ColumnConnected.IsActive);
Assert.IsTrue(col.Cells[0].BasalDendrite.Synapses[0].ColumnConnected.IsPredicting);
Assert.AreEqual(ip.CountActiveColumns(), 0);
Assert.AreEqual(lr.CountActiveColumns(), 0);
Assert.AreEqual(ip.CountPredictingColumns(), 0);
Assert.AreEqual(lr.CountPredictingColumns(), col.CountBasalSynapses() / col.Cells.Count + 1);
col.OverrideActive(true, 0);
col.OverridePredicting(false, 0);
Assert.IsTrue(col.IsActive);
Assert.IsFalse(col.IsPredicting);
Assert.IsTrue(col.ProximalDendrite.Synapses[0].ColumnConnected.IsActive);
Assert.IsFalse(col.Cells[0].BasalDendrite.Synapses[0].ColumnConnected.IsPredicting);
Assert.AreEqual(ip.CountActiveColumns(), col.CountProximalSynapses());
Assert.AreEqual(lr.CountActiveColumns(), 1); //this col
Assert.AreEqual(ip.CountPredictingColumns(), 0);
Assert.AreEqual(lr.CountPredictingColumns(), 0);
col.OverrideActive(true, 0);
col.OverridePredicting(true, 0);
Assert.IsTrue(col.IsActive);
Assert.IsTrue(col.IsPredicting);
Assert.IsTrue(col.ProximalDendrite.Synapses[0].ColumnConnected.IsActive);
Assert.IsTrue(col.Cells[0].BasalDendrite.Synapses[0].ColumnConnected.IsPredicting);
Assert.AreEqual(ip.CountActiveColumns(), col.CountProximalSynapses());
Assert.AreEqual(lr.CountActiveColumns(), 1);
Assert.AreEqual(ip.CountPredictingColumns(), 0);
Assert.AreEqual(lr.CountPredictingColumns(), col.CountBasalSynapses() / col.Cells.Count + 1);
col.OverrideActive(false, 0);
col.OverridePredicting(false, 0);
Assert.IsFalse(col.IsActive);
Assert.IsFalse(col.IsPredicting);
Assert.IsFalse(col.ProximalDendrite.Synapses[0].ColumnConnected.IsActive);
Assert.IsFalse(col.Cells[0].BasalDendrite.Synapses[0].ColumnConnected.IsPredicting);
Assert.AreEqual(ip.CountActiveColumns(), 0);
Assert.AreEqual(lr.CountActiveColumns(), 0);
Assert.AreEqual(ip.CountPredictingColumns(), 0);
Assert.AreEqual(lr.CountPredictingColumns(), 0);
}
}
}
}
public void ColumnUpdate_LayerLevelTest()
{
Random rnd = Global.rnd;
NetConfigData.SetDefaults();
//override config params
NetConfigData.ColumnsTopPercentile = 0;
NetConfigData.ColumnStimulusThreshold = 1;
NetConfigData.SynapsePermanenceIncrease = 0.0;
NetConfigData.SynapsePermanenceDecrease = 0.0;
for (int testNum = 0; testNum < Global.Tests.TestNumLoops; testNum++)
{
Debug.WriteLine("ColumnUpdateProximalTest testNum=" + testNum.ToString());
//Layer
int layerColumnsX = rnd.Next(1, 10);
int layerColumnsY = layerColumnsX > 1 ? rnd.Next(1, 10) : rnd.Next(2, 10);
int layerNumCellsInColumn = rnd.Next(1, 5);
//layerColumnsX = 1; //debug
//layerColumnsY = 8; //debug
//layerNumCellsInColumn = 3;//debug
Layer lr = new Layer(layerColumnsX, layerColumnsY, layerNumCellsInColumn);
//InputPlane
int ipColumnsX = rnd.Next(1, 20);
int ipColumnsY = rnd.Next(1, 20);
//ipColumnsX = 11; //debug
//ipColumnsY = 19; //debug
InputPlane ip = new InputPlane(ipColumnsX, ipColumnsY);
int numActive; //count active
int sbActive; //should be active
// create synapses
lr.ZoneSizePercProximal = 1;
lr.ZoneCoveragePercProximal = 1;
lr.ZoneSizePercBasal = 1;
lr.ZoneCoveragePercBasal = 1;
lr.ConnectColumns(ip);
lr.OverrideBasalPermanences(1.0);
lr.OverrideProximalPermanences(1.0);
lr.OverrideProximalDendriteActivationThreshold(1);
lr.OverrideBasalDendriteActivationThreshold(1);
lr.InhibitionEnabled = false;
//set InputOverlap > threshold
lr.Override(true, true);
//test Activate() function by progressively zeroing Proximal connections
NetConfigData.ColumnStimulusThreshold = 1;
NetConfigData.SynapsePermanenceIncrease = 0.0;
NetConfigData.SynapsePermanenceDecrease = 0.0;
for (int y = 0; y < lr.NumColumnsY; y++)
{
for (int x = 0; x < lr.NumColumnsX; x++)
{
//this will prevent cell from activating
lr.Columns[x][y].OverrideProximalPermanence(0);
lr.Update();
//lr.PrintActive();
numActive = lr.CountActiveColumns();
sbActive = lr.NumColumns - (y * lr.NumColumnsX + x) - 1;
Assert.AreEqual(sbActive, numActive);
}
}
//restore global params
NetConfigData.SetDefaults();
lr.ZoneSizePercProximal = 1;
lr.ZoneCoveragePercProximal = 1;
lr.ZoneSizePercBasal = 1;
lr.ZoneCoveragePercBasal = 1;
//lr.ConnectProximal(ip, 1, 1);
//lr.ConnectBasal(1, 1);
lr.ConnectColumns(ip);
lr.OverrideBasalPermanences(1.0);
lr.OverrideProximalPermanences(1.0);
lr.OverrideProximalDendriteActivationThreshold(1);
lr.OverrideBasalDendriteActivationThreshold(1);
//test UpdateProximal() function by rising stimulus threshold
NetConfigData.ColumnsTopPercentile = 0;
NetConfigData.ColumnStimulusThreshold = ip.NumColumns;
lr.Update();
numActive = lr.CountActiveColumns();
Assert.AreEqual(numActive, lr.NumColumns);
NetConfigData.ColumnStimulusThreshold++;
lr.Update();
numActive = lr.CountActiveColumns();
Assert.AreEqual(numActive, 0); // ************************ FAILS HERE
//restore global params
NetConfigData.SetDefaults();
//lr.ConnectProximal(ip, 1, 1);
//lr.ConnectBasal(1, 1);
lr.ConnectColumns(ip);
lr.OverrideBasalPermanences(1.0);
lr.OverrideProximalPermanences(1.0);
lr.OverrideProximalDendriteActivationThreshold(1);
lr.OverrideBasalDendriteActivationThreshold(1);
lr.ZoneSizePercProximal = 1;
lr.ZoneCoveragePercProximal = 1;
lr.ZoneSizePercBasal = 1;
lr.ZoneCoveragePercBasal = 1;
//test UpdateProximal() function by rising neighbour top percentile
NetConfigData.ColumnsTopPercentile = 0;
lr.Update();
numActive = lr.CountActiveColumns();
Assert.AreEqual(numActive, lr.NumColumns);
NetConfigData.ColumnsTopPercentile = 1;
lr.Update();
numActive = lr.CountActiveColumns();
Assert.AreEqual(numActive, lr.NumColumns);
//restore global params
NetConfigData.SetDefaults();
//lr.ConnectProximal(ip, 1, 1);
//lr.ConnectBasal(1, 1);
lr.ConnectColumns(ip);
lr.OverrideBasalPermanences(1.0);
lr.OverrideProximalPermanences(1.0);
lr.OverrideProximalDendriteActivationThreshold(1);
lr.OverrideBasalDendriteActivationThreshold(1);
lr.ZoneSizePercProximal = 1;
lr.ZoneCoveragePercProximal = 1;
lr.ZoneSizePercBasal = 1;
lr.ZoneCoveragePercBasal = 1;
//test UpdateProximal() function by deactivating columns in InputPlane
ip.Override(false, false);
lr.Update();
numActive = lr.CountActiveColumns();
Assert.AreEqual(0, numActive); //all inputs 0 - no active columns
ip.Override(true, false);
lr.Update();
numActive = lr.CountActiveColumns();
Assert.AreEqual(lr.NumColumns, numActive); //all inputs 1 - all columns active
ip.Override(false, false);
ip.Columns[0][0].OverrideActive(true, 2);
lr.Update();
numActive = lr.CountActiveColumns();
Assert.AreEqual(lr.NumColumns, numActive); //one input 1 - all columns active
NetConfigData.ColumnStimulusThreshold = 2;
lr.Update();
numActive = lr.CountActiveColumns();
Assert.AreEqual(0, numActive); //increase COLUMN_STIMULUS_THRESHOLD = 2 - no columns active
}
//restore global params
NetConfigData.SetDefaults();
}