DoubleNumbers.cs

using System;
using Waher.Script.Abstraction.Sets;
using Waher.Script.Abstraction.Elements;
 
namespace Waher.Script.Objects
{
    public sealed class DoubleNumbers : Field, IOrderedSet
    {
        private static readonly int hashCode = typeof(DoubleNumbers).FullName.GetHashCode();
 
        public DoubleNumbers()
        {
        }
 
        public static readonly DoubleNumbers Instance = new DoubleNumbers();
 
        public override ICommutativeRingWithIdentityElement One
        {
            get { return DoubleNumber.OneElement; }
        }
 
        public override IAbelianGroupElement Zero
        {
            get { return DoubleNumber.ZeroElement; }
        }
 
        public override bool Contains(IElement Element)
        {
            return Element.AssociatedObjectValue is double;
        }
 
        public override bool Equals(object obj)
        {
            return obj is DoubleNumbers;
        }
 
        public override int GetHashCode()
        {
            return hashCode;
        }
 
        public int Compare(IElement x, IElement y)
        {
            DoubleNumber d1 = (DoubleNumber)x;
            DoubleNumber d2 = (DoubleNumber)y;
 
            return d1.Value.CompareTo(d2.Value);
        }
 
    }
}