DoubleToBigInteger.cs

using System;
using System.Numerics;
using Waher.Script.Abstraction.Elements;
using Waher.Script.Objects;
 
namespace Waher.Script.TypeConversion.FromDouble
{
    public class DoubleToBigInteger : ITypeConverter
    {
        public Type From => typeof(double);
 
        public Type To => typeof(BigInteger);
 
        public double Weight => 0.5;
 
        public bool TryConvert(object Value, out object Result)
        {
            if (Value is double d && Math.Round(d) == d)
            {
                Result = (BigInteger)d;
                return true;
            }
            else
            {
                Result = null;
                return false;
            }
        }
 
        public bool TryConvertToElement(object Value, out IElement Result)
        {
            if (Value is double d && Math.Round(d) == d)
            {
                Result = new Integer((BigInteger)d);
                return true;
            }
            else
            {
                Result = null;
                return false;
            }
        }
    }
}