#region License Information /* HeuristicLab * Copyright (C) 2002-2015 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; using System.Drawing; using System.Text; using HeuristicLab.Common; using HeuristicLab.Core; using HeuristicLab.Persistence.Default.CompositeSerializers.Storable; namespace HeuristicLab.Data { [Item("DoubleValue", "Represents a double value.")] [StorableClass] public class DoubleValue : ValueTypeValue, IComparable, IStringConvertibleValue { public static new Image StaticItemImage { get { return HeuristicLab.Common.Resources.VSImageLibrary.Field; } } [StorableConstructor] protected DoubleValue(bool deserializing) : base(deserializing) { } protected DoubleValue(DoubleValue original, Cloner cloner) : base(original, cloner) { } public DoubleValue() : base() { } public DoubleValue(double value) : base(value) { } public override IDeepCloneable Clone(Cloner cloner) { return new DoubleValue(this, cloner); } public override string ToString() { return Value.ToString("G17"); // round-trip format // Note that the round-trip format "r" can still lead to different values when run on an 64-bit machine, therefore using G17 instead. // (https://msdn.microsoft.com/en-us/library/kfsatb94.aspx) } public virtual int CompareTo(object obj) { DoubleValue other = obj as DoubleValue; if (other != null) return Value.CompareTo(other.Value); else return Value.CompareTo(obj); } protected virtual bool Validate(string value, out string errorMessage) { double val; bool valid = double.TryParse(value, out val); errorMessage = string.Empty; if (!valid) { StringBuilder sb = new StringBuilder(); sb.Append("Invalid Value (Valid Value Format: \""); sb.Append(FormatPatterns.GetDoubleFormatPattern()); sb.Append("\")"); errorMessage = sb.ToString(); } return valid; } protected virtual string GetValue() { return ToString(); } protected virtual bool SetValue(string value) { double val; if (double.TryParse(value, out val)) { Value = val; return true; } else { return false; } } #region IStringConvertibleValue Members bool IStringConvertibleValue.Validate(string value, out string errorMessage) { return Validate(value, out errorMessage); } string IStringConvertibleValue.GetValue() { return GetValue(); } bool IStringConvertibleValue.SetValue(string value) { return SetValue(value); } #endregion } }