public void IsMetThrowsForMissingCovarianceMatrix()
{
var terminationCriterion = new NoEffectCoord();
var data = NoEffectCoordTest.CreateCmaEsData(covariances: null, currentStepSize: 0.2);
Assert.Throws <ArgumentOutOfRangeException>(() => terminationCriterion.IsMet(data));
}
public void IsMetReturnsFalseForSignificantShift()
{
var covariances = Matrix <double> .Build.DenseIdentity(3);
var stepSize = double.Epsilon * 5;
var terminationCriterion = new NoEffectCoord();
Assert.False(
terminationCriterion.IsMet(NoEffectCoordTest.CreateCmaEsData(covariances, stepSize)),
"Termination criterion should not have been met.");
}
public void IsMetReturnsTrueForTinyStepSize()
{
var covariances = Matrix <double> .Build.DenseIdentity(3);
var stepSize = double.Epsilon;
var terminationCriterion = new NoEffectCoord();
Assert.True(
terminationCriterion.IsMet(NoEffectCoordTest.CreateCmaEsData(covariances, stepSize)),
"Termination criterion should have been met.");
}
public void IsMetReturnsTrueForTinyCovariancesDiagonalElement()
{
var covariances = Matrix <double> .Build.DenseOfDiagonalArray(new[] { 1d, 1d, double.Epsilon });
var stepSize = 0.1;
var terminationCriterion = new NoEffectCoord();
Assert.True(
terminationCriterion.IsMet(NoEffectCoordTest.CreateCmaEsData(covariances, stepSize)),
"Termination criterion should have been met.");
}
public void IsMetThrowsForMissingConfiguration()
{
var covariances = Matrix <double> .Build.DenseOfDiagonalArray(new[] { 1d, 1d, 1d });
var data = new CmaEsElements(
configuration: null,
generation: 5,
distributionMean: Vector <double> .Build.Dense(3),
stepSize: 0.2,
covariances: covariances,
covariancesDecomposition: covariances.Evd(),
evolutionPath: Vector <double> .Build.Dense(3),
conjugateEvolutionPath: Vector <double> .Build.Dense(3));
var terminationCriterion = new NoEffectCoord();
Assert.Throws <ArgumentOutOfRangeException>(() => terminationCriterion.IsMet(data));
}
public void IsMetThrowsForMissingCmaEsData()
{
var terminationCriterion = new NoEffectCoord();
Assert.Throws <ArgumentNullException>(() => terminationCriterion.IsMet(data: null));
}