public void IsMetThrowsForMissingCovarianceMatrix()
{
var terminationCriterion = new TolUpSigma();
var data = TolUpSigmaTest.CreateCmaEsData(covariances: null, initialStepSize: 0.2, currentStepSize: 0.2);
Assert.Throws <ArgumentOutOfRangeException>(() => terminationCriterion.IsMet(data));
}
public void IsMetReturnsFalseForFactorEqualToMaxConstant()
{
double greatestEigenvalue = 42.3;
double initialStepSize = 0.2;
double currentStepSize = TolUpSigma.MaxFactor * Math.Sqrt(greatestEigenvalue) * initialStepSize;
var covariances = Matrix <double> .Build.DenseOfDiagonalArray(
new[] { greatestEigenvalue, 0, 0 });
var terminationCriterion = new TolUpSigma();
Assert.False(
terminationCriterion.IsMet(TolUpSigmaTest.CreateCmaEsData(covariances, initialStepSize, currentStepSize)),
"Termination criterion should not have been met.");
}
public void IsMetThrowsForMissingConfiguration()
{
var covariances = Matrix <double> .Build.DenseOfDiagonalArray(
new[] { 42.3, 0, 0 });
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 TolUpSigma();
Assert.Throws <ArgumentOutOfRangeException>(() => terminationCriterion.IsMet(data));
}
public void IsMetThrowsForMissingCmaEsData()
{
var terminationCriterion = new TolUpSigma();
Assert.Throws <ArgumentNullException>(() => terminationCriterion.IsMet(data: null));
}