/// <summary>
/// Initializes a new instance of the <see cref="CmaEsElements"/> class.
/// </summary>
/// <param name="configuration">Fixed parameters for CMA-ES.</param>
/// <param name="generation">The current generation.</param>
/// <param name="distributionMean">The current distribution mean.</param>
/// <param name="stepSize">The current step size.</param>
/// <param name="covariances">The current covariance matrix.</param>
/// <param name="covariancesDecomposition">The current eigendecomposition of the covariance matrix.</param>
/// <param name="evolutionPath">The current evolution path.</param>
/// <param name="conjugateEvolutionPath">The conjugate evolution path.</param>
/// <exception cref="ArgumentOutOfRangeException">
/// Thrown if <paramref name="generation"/> or <paramref name="stepSize"/> are negative.
/// </exception>
public CmaEsElements(
CmaEsConfiguration configuration,
int generation,
Vector <double> distributionMean,
double stepSize,
Matrix <double> covariances,
Evd <double> covariancesDecomposition,
Vector <double> evolutionPath,
Vector <double> conjugateEvolutionPath)
{
if (generation < 0)
{
throw new ArgumentOutOfRangeException(
nameof(generation),
$"Generation must be nonnegative, but was {generation}.");
}
if (stepSize < 0)
{
throw new ArgumentOutOfRangeException(
nameof(stepSize),
$"Step size must be nonnegatives, but was {stepSize}.");
}
this.Configuration = configuration;
this.Generation = generation;
this._distributionMean = distributionMean?.Clone();
this.StepSize = stepSize;
this._covariances = covariances?.Clone();
this._covariancesDiagonal = covariancesDecomposition == null ? null : DiagonalMatrix.OfMatrix(covariancesDecomposition.D);
this._covariancesEigenVectors = covariancesDecomposition?.EigenVectors.Clone();
this._evolutionPath = evolutionPath?.Clone();
this._conjugateEvolutionPath = conjugateEvolutionPath?.Clone();
}
