public static void Main(string[] args)
{
Console.WriteLine("Hello World!");
clsBigInt A = new clsBigInt("-1232134");
clsBigInt B = new clsBigInt("-435789634583749");
if (A == B)
{
Console.WriteLine("A is: {0} == B: {1}", A.Value, B.Value);
}
else if (A > B)
{
Console.WriteLine("A is: {0} > B: {1}", A.Value, B.Value);
}
else
{
Console.WriteLine("A is: {0} < B: {1}", A.Value, B.Value);
}
clsBigInt C = A + B;
Console.WriteLine("A is: {0} + B: {1} = C: {2}", A.Value, B.Value, C.Value);
//Console.WriteLine("A is: {0} have ABS: {1}", A.Value, A.ABS().Value);
Console.Write("Press any key to continue . . . ");
Console.ReadKey(true);
}
public clsBigInt ABS()
{
clsBigInt result = new clsBigInt();
if (IsMinus())
{
result.Value = Value.Substring(1, Value.Length - 1);
}
else
{
result.Value = Value;
}
return(result);
}
public clsBigInt(clsBigInt bigInt)
{
this.Value = bigInt.Value;
}
public static clsBigInt operator -(clsBigInt A, clsBigInt B)
{
clsBigInt C = new clsBigInt();
return(C);
}
public static clsBigInt operator +(clsBigInt A, clsBigInt B)
{
int iLength = 0, iA, iB, iC, iMemory;
clsBigInt C = new clsBigInt();
string sTemp = "";
if (A.IsMinus() == false && B.IsMinus() == false)
{
if (A.Value.Length > B.Value.Length)
{
iLength = A.Value.Length;
}
else
{
iLength = B.Value.Length;
}
iMemory = 0;
for (int i = 0; i < iLength; i++)
{
if (i < A.Value.Length)
{
iA = int.Parse(A.Value.Substring(A.Value.Length - i - 1, 1));
}
else
{
iA = 0;
}
if (i < B.Value.Length)
{
iB = int.Parse(B.Value.Substring(B.Value.Length - i - 1, 1));
}
else
{
iB = 0;
}
iC = iA + iB + iMemory;
if (iC > 10)
{
sTemp = string.Format("{0}", iC % 10) + sTemp;
iMemory = 1;
}
else
{
sTemp = string.Format("{0}", iC % 10) + sTemp;
iMemory = 0;
}
C.Value = sTemp;
}
}
else if (A.IsMinus() == true && B.IsMinus() == true)
{
clsBigInt D = A.ABS() + B.ABS();
C.Value = "-" + D.Value;
}
else if (A.IsMinus() == false && B.IsMinus() == true)
{
C = A - B.ABS();
}
else if (A.IsMinus() == true && B.IsMinus() == false)
{
C = B - A.ABS();
}
return(C);
}
