/// <summary>
/// <see cref="IBaseOptimizer{TParams, TProblem}.Minimize(TParams, TProblem, IProgress{Progress}, CancellationToken)"/>
/// </summary>
/// <param name="Parameters"> General parameters.</param>
/// <param name="Problem">Multiobjective problem</param>
/// <param name="Reporter">
/// Object which implement interface <see cref="IProgress{T}"/>, where T is
/// <see cref="Progress"/>./>
/// </param>
/// <param name="CancelToken"> <see cref="CancellationToken"/> </param>
/// <exception cref="InvalidOperationException"> If parameters do not set. </exception>
/// <exception cref="ArgumentNullException">
/// If <paramref name="Problem"/> or <paramref name="Reporter"/> is null.
/// </exception>
/// <exception cref="ArithmeticException">
/// If the function has value is NaN, PositiveInfinity or NegativeInfinity.
/// </exception>
/// <exception cref="OperationCanceledException"></exception>
public override void Minimize(FWParams Parameters, IMOOptProblem Problem, IProgress <Progress> Reporter, CancellationToken CancelToken)
{
if (Reporter == null)
{
throw new ArgumentNullException(nameof(Reporter));
}
if (Problem == null)
{
throw new ArgumentNullException(nameof(Problem));
}
Init(Parameters, Problem.LowerBounds.Count, Problem.CountObjs);
FirstStep(Problem);
Progress progress = new Progress(this, 0, this._parameters.Imax - 1, 0);
Reporter.Report(progress);
for (int i = 1; i < this._parameters.Imax; i++)
{
CancelToken.ThrowIfCancellationRequested();
NextStep(Problem);
progress.Current = i;
Reporter.Report(progress);
}
Clear();
}
protected override void NextStep(IMOOptProblem Problem)
{
int[] fronts = null;
if (_isUseChachedFronts)
{
fronts = _currentFronts;
}
else
{
fronts = _nds.NonDominSort(_chargePoints.Select(item => item.Objs));
_isUseChachedFronts = true;
}
var countFronts = fronts.GroupBy(frontIndex => frontIndex).ToDictionary(item => item.Key, item => item.Count());
int maxFront = countFronts.Keys.Max() + 1;
FindAmountDebris(fronts, countFronts, maxFront);
GenerateDebris(Problem.LowerBounds, Problem.UpperBounds, fronts, countFronts, maxFront);
EvalFunctionForDebris(Problem.TargetFunction);
var allAgents = _chargePoints.Concat(_debris.SelectMany(coll => coll.Select(agent => agent)));
int[] allFronts = _nds.NonDominSort(allAgents.Select(agent => agent.Objs));
GenerateNextAgents(allAgents, allFronts);
EvalFunctionForCharges(Problem.TargetFunction);
}
protected override void FirstStep(IMOOptProblem Problem)
{
if (Problem == null)
{
throw new ArgumentNullException(nameof(Problem));
}
InitAgents(Problem.LowerBounds, Problem.UpperBounds, Problem.CountObjs);
EvalFunctionForCharges(Problem.TargetFunction);
}
/// <summary>
/// <see cref="IBaseOptimizer{TParams, TProblem}.Minimize(TParams, TProblem, IProgress{Progress}, CancellationToken)"/>
/// </summary>
/// <param name="Parameters"> General parameters.</param>
/// <param name="Problem">Multiobjective problem</param>
/// <param name="CancelToken"> <see cref="CancellationToken"/> </param>
/// <exception cref="InvalidOperationException"> If parameters do not set. </exception>
/// <exception cref="ArgumentNullException"> If <paramref name="Problem"/> is null. </exception>
/// <exception cref="ArithmeticException">
/// If the function has value is NaN, PositiveInfinity or NegativeInfinity.
/// </exception>
/// <exception cref="OperationCanceledException"></exception>
public override void Minimize(FWParams Parameters, IMOOptProblem Problem, CancellationToken CancelToken)
{
if (Problem == null)
{
throw new ArgumentNullException(nameof(Problem));
}
Init(Parameters, Problem.LowerBounds.Count, Problem.CountObjs);
FirstStep(Problem);
for (int i = 1; i < this._parameters.Imax; i++)
{
CancelToken.ThrowIfCancellationRequested();
NextStep(Problem);
}
Clear();
}
/// <summary>
/// <see cref="IBaseOptimizer{TParams, TProblem}.Minimize(TParams, TProblem)"/>
/// </summary>
/// <param name="Parameters"> General parameters. <see cref="FWParams"/>. </param>
/// <param name="Problem">Multiobjective problem</param>
/// <exception cref="InvalidOperationException"> If parameters do not set. </exception>
/// <exception cref="ArgumentNullException"> If <paramref name="Problem"/> is null. </exception>
/// <exception cref="ArithmeticException">
/// If the function has value is NaN, PositiveInfinity or NegativeInfinity.
/// </exception>
public override void Minimize(FWParams Parameters, IMOOptProblem Problem)
{
if (Problem == null)
{
throw new ArgumentNullException(nameof(Problem));
}
Init(Parameters, Problem.LowerBounds.Count, Problem.CountObjs);
FirstStep(Problem);
for (int i = 1; i < _parameters.Imax; i++)
{
_iter = i;
NextStep(Problem);
}
Clear();
}
