public override bool Equals(object obj)
{
if (obj == null)
{
return(false);
}
else if (object.ReferenceEquals(this, obj))
{
return(true);
}
else if (obj is RadixNumeral)
{
RadixNumeral radNum = (RadixNumeral)obj;
return(
this.Base == radNum.Base
&&
this.Value == radNum.Base
&&
RadixNumeral.GetHashString(this) == RadixNumeral.GetHashString(radNum)
);
}
else
{
return(false);
}
}
private static List <RadixNumeral> ConvertListToRadixNumeralList(List <BigInteger> numeralSystemDefinition, List <Dictionary <BigInteger, string> > symbolDictionaryList)
{
if (numeralSystemDefinition == null)
{
throw new ArgumentNullException("NumberSystemDefinition");
}
if (numeralSystemDefinition.Count < 1)
{
throw new ArgumentException("List cannot be empty.", "NumberSystemDefinition");
}
int index = 0;
RadixNumeral rLast = RadixNumeral.Empty;
List <RadixNumeral> result = new List <RadixNumeral>();
foreach (BigInteger radixBase in numeralSystemDefinition)
{
RadixNumeral radNew = RadixNumeral.Empty;
if (symbolDictionaryList == null)
{
radNew = new RadixNumeral(radixBase, index);
}
else
{
radNew = new RadixNumeral(radixBase, index, symbolDictionaryList[index]);
}
if (rLast == RadixNumeral.Empty)
{
radNew.Previous = RadixNumeral.Empty;
}
else
{
rLast.Next = radNew;
radNew.Previous = rLast;
result.Add(rLast);
}
rLast = radNew;
index += 1;
}
rLast.Next = RadixNumeral.Empty;
result.Add(rLast);
if (result.Count > 0)
{
return(result);
}
else
{
throw new Exception("result.Count < 1");
}
}
public static bool operator ==(RadixNumeral a, RadixNumeral b)
{
if (RadixNumeral.ReferenceEquals(a, null))
{
return(RadixNumeral.ReferenceEquals(b, null));
}
return(a.Equals(b));
}
public override int GetHashCode()
{
unchecked
{
BigInteger hash = this.Value ^ this.Base ^ RadixNumeral.GetHashString(this).GetHashCode();
if (hash > int.MaxValue)
{
hash = hash % int.MaxValue;
}
return((int)hash);
}
}
private static string GetHashString(RadixNumeral radNum)
{
//int counter = 0;
//string symbolString = "{EMPTY}";
//if (radNum.SymbolDictionary.Count > 0)
//{
// symbolString = string.Join(",", radNum.SymbolDictionary.Values.Select(v => string.Format("{0}:{1}", counter++, v)));
//}
string result = string.Format("{0}[{1}]:{2}", radNum.Value, radNum.Base, radNum.SymbolicValue); //, symbolString, radNum.SymbolDictionary.Count);
return(result);
}
public string GetPolynomialFormat()
{
RadixNumeral current = Digits.Last();
List <string> coefficients = new List <string>();
int counter = Digits.Count - 1;
while (current != RadixNumeral.Empty)
{
coefficients.Add($"{current.Value}*{current.Base}^{counter}");
counter--;
current = current.Previous;
}
return(string.Join(" + ", coefficients));
}
private static string GetHashString(RadixNumeral radNum)
{
//int counter = 0;
//string symbolString = "{EMPTY}";
//if (radNum.SymbolDictionary.Count > 0)
//{
// symbolString = string.Join(",", radNum.SymbolDictionary.Values.Select(v => string.Format("{0}:{1}", counter++, v)));
//}
string result = string.Format("{0}[{1}]:{2}", radNum.Value, radNum.Base, radNum.SymbolicValue);//, symbolString, radNum.SymbolDictionary.Count);
return result;
}
