#region License Information /* HeuristicLab * Copyright (C) 2002-2018 Heuristic and Evolutionary Algorithms Laboratory (HEAL) * * This file is part of HeuristicLab. * * HeuristicLab is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * HeuristicLab is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with HeuristicLab. If not, see . */ #endregion using System; namespace HeuristicLab.Problems.DataAnalysis { [Flags] public enum OnlineCalculatorError { /// /// No error occurred /// None = 0, /// /// An invalid value has been added (often +/- Infinity and NaN are invalid values) /// InvalidValueAdded = 1, /// /// The number of elements added to the evaluator is not sufficient to calculate the result value /// InsufficientElementsAdded = 2 } public interface IOnlineCalculator { OnlineCalculatorError ErrorState { get; } double Value { get; } void Reset(); void Add(double original, double estimated); } }