public void IsConnectionCyclic1()
{
var cyclicCheck = new CyclicConnectionCheck();
var connArr = new DirectedConnection[3];
connArr[0] = new DirectedConnection(0, 1);
connArr[1] = new DirectedConnection(1, 2);
connArr[2] = new DirectedConnection(2, 3);
// True tests (cycle).
Assert.True(cyclicCheck.IsConnectionCyclic(connArr, new DirectedConnection(0, 0)));
Assert.True(cyclicCheck.IsConnectionCyclic(connArr, new DirectedConnection(1, 1)));
Assert.True(cyclicCheck.IsConnectionCyclic(connArr, new DirectedConnection(2, 2)));
Assert.True(cyclicCheck.IsConnectionCyclic(connArr, new DirectedConnection(3, 3)));
Assert.True(cyclicCheck.IsConnectionCyclic(connArr, new DirectedConnection(1, 0)));
Assert.True(cyclicCheck.IsConnectionCyclic(connArr, new DirectedConnection(2, 0)));
Assert.True(cyclicCheck.IsConnectionCyclic(connArr, new DirectedConnection(3, 0)));
Assert.True(cyclicCheck.IsConnectionCyclic(connArr, new DirectedConnection(2, 1)));
Assert.True(cyclicCheck.IsConnectionCyclic(connArr, new DirectedConnection(3, 1)));
Assert.True(cyclicCheck.IsConnectionCyclic(connArr, new DirectedConnection(3, 2)));
// False tests (no cycle).
Assert.False(cyclicCheck.IsConnectionCyclic(connArr, new DirectedConnection(0, 2)));
Assert.False(cyclicCheck.IsConnectionCyclic(connArr, new DirectedConnection(0, 3)));
Assert.False(cyclicCheck.IsConnectionCyclic(connArr, new DirectedConnection(1, 3)));
Assert.False(cyclicCheck.IsConnectionCyclic(connArr, new DirectedConnection(2, 3)));
}
public void IsConnectionCyclic2()
{
var cyclicCheck = new CyclicConnectionCheck();
var connArr = new DirectedConnection[8];
connArr[0] = new DirectedConnection(0, 1);
connArr[1] = new DirectedConnection(0, 2);
connArr[2] = new DirectedConnection(0, 3);
connArr[3] = new DirectedConnection(1, 4);
connArr[4] = new DirectedConnection(4, 2);
connArr[5] = new DirectedConnection(2, 5);
connArr[6] = new DirectedConnection(3, 6);
connArr[7] = new DirectedConnection(3, 2);
Array.Sort(connArr);
// True tests (cycle).
Assert.True(cyclicCheck.IsConnectionCyclic(connArr, new DirectedConnection(2, 1)));
Assert.True(cyclicCheck.IsConnectionCyclic(connArr, new DirectedConnection(2, 4)));
Assert.True(cyclicCheck.IsConnectionCyclic(connArr, new DirectedConnection(5, 2)));
Assert.True(cyclicCheck.IsConnectionCyclic(connArr, new DirectedConnection(5, 0)));
Assert.True(cyclicCheck.IsConnectionCyclic(connArr, new DirectedConnection(5, 4)));
Assert.True(cyclicCheck.IsConnectionCyclic(connArr, new DirectedConnection(6, 0)));
// False tests (no cycle).
Assert.False(cyclicCheck.IsConnectionCyclic(connArr, new DirectedConnection(3, 5)));
Assert.False(cyclicCheck.IsConnectionCyclic(connArr, new DirectedConnection(1, 3)));
Assert.False(cyclicCheck.IsConnectionCyclic(connArr, new DirectedConnection(6, 1)));
Assert.False(cyclicCheck.IsConnectionCyclic(connArr, new DirectedConnection(6, 2)));
Assert.False(cyclicCheck.IsConnectionCyclic(connArr, new DirectedConnection(6, 4)));
Assert.False(cyclicCheck.IsConnectionCyclic(connArr, new DirectedConnection(3, 4)));
}
/// <summary>
/// Construct a new instance.
/// </summary>
/// <param name="metaNeatGenome">NEAT genome metadata.</param>
/// <param name="genomeBuilder">NeatGenome builder.</param>
/// <param name="genomeIdSeq">Genome ID sequence; for obtaining new genome IDs.</param>
/// <param name="generationSeq">Generation sequence; for obtaining the current generation number.</param>
public AddAcyclicConnectionStrategy(
MetaNeatGenome <T> metaNeatGenome,
INeatGenomeBuilder <T> genomeBuilder,
Int32Sequence genomeIdSeq,
Int32Sequence generationSeq)
{
_metaNeatGenome = metaNeatGenome;
_genomeBuilder = genomeBuilder;
_genomeIdSeq = genomeIdSeq;
_generationSeq = generationSeq;
_weightSamplerA = UniformDistributionSamplerFactory.CreateStatelessSampler <T>(metaNeatGenome.ConnectionWeightScale, true);
_weightSamplerB = UniformDistributionSamplerFactory.CreateStatelessSampler <T>(metaNeatGenome.ConnectionWeightScale * 0.01, true);
_cyclicCheck = new CyclicConnectionCheck();
}