static void Main(string[] args)
{
HugeInteger hG1 = new HugeInteger("");
HugeInteger hG2 = new HugeInteger("");
Console.Write("Enter first HugeInteger: ");
hG1.Input(Console.ReadLine());
Console.Write("Enter second HugeInteger: ");
hG2.Input(Console.ReadLine());
Console.WriteLine("Huge Integer 1: {0}", hG1.ToString());
Console.WriteLine("Huge Integer 2: {0}", hG2.ToString());
HugeInteger sum, difference;
sum = HugeInteger.Add(hG1, hG2);
Console.WriteLine("Add result: {0}", sum.ToString());
difference = HugeInteger.Subtract(hG1, hG2);
Console.WriteLine("Subtract result: {0}", difference.ToString());
Console.WriteLine("Huge Integer 1 is zero: {0}", hG1.IsZero());
Console.WriteLine("Huge Integer 2 is zero: {0}", hG2.IsZero());
Console.WriteLine("HugeInteger 1 is equal to HugeInteger 2: {0}", hG1.IsEqualTo(hG2));
Console.WriteLine("HugeInteger 1 is not equal to HugeInteger 2: {0}", hG1.IsNotEqual(hG2));
Console.WriteLine("HugeInteger 1 is greater than HugeInteger 2: {0}", hG1.IsGreaterThan(hG2));
Console.WriteLine("HugeInteger 1 is less than HugeInteger 2: {0}", hG1.IsLessThan(hG2));
Console.WriteLine("HugeInteger 1 is greater than or equal to HugeInteger 2: {0}", hG1.IsGreaterThanOrEqualTo(hG2));
Console.WriteLine("HugeInteger 1 is less than or equal to HugeInteger 2: {0}", hG1.IsLessThanOrEqualTo(hG2));
}
public static HugeInteger Add(HugeInteger hG1, HugeInteger hG2)
{
HugeInteger result = new HugeInteger("");
int l1, l2, i, carry = 0, big;
l1 = hG1.lengthOfNum;
l2 = hG2.lengthOfNum;
if (l1 > l2)
{
big = l1;
}
else
{
big = l2;
}
for (i = 0; i < big; i++)
{
result.array[i] = (hG1.array[i] + hG2.array[i] + carry) % 10;
carry = (hG1.array[i] + hG2.array[i] + carry) / 10;
}
result.array[i] = carry;
if (carry == 0)
{
result.lengthOfNum = big;
}
else
{
result.lengthOfNum = big + 1;
}
return result;
}
public bool IsLessThanOrEqualTo(HugeInteger hg)
{
if (IsEqualTo(hg) || IsLessThan(hg))
return true;
else
return false;
}
public bool IsEqualTo(HugeInteger hg)
{
int i;
if (lengthOfNum != hg.lengthOfNum)
return false;
for (i = 0; i < lengthOfNum; i++)
{
if (array[i] != hg.array[i])
return false;
}
return true;
}
public bool IsGreaterThan(HugeInteger hg)
{
int pos = lengthOfNum;
if (IsEqualTo(hg))
return false;
if (lengthOfNum < hg.lengthOfNum)
return false;
else if (lengthOfNum > hg.lengthOfNum)
return true;
else
{
while (array[pos] == hg.array[pos] && pos >= 0)
pos--;
if (array[pos] > hg.array[pos])
return true;
else
return false;
}
}
public static HugeInteger Subtract(HugeInteger hG1, HugeInteger hG2)
{
HugeInteger result = new HugeInteger("");
int l1 = 0;
int l2 = 0;
int bigPos = 0;
int big = 0;
int end = 0;
l1 = hG1.lengthOfNum;
l2 = hG2.lengthOfNum;
if (l1 > l2)
{
big = l1;
}
else
{
big = l2;
}
for (int i = 0; i < big; i++)
{
result.array[i] = hG1.array[i] - hG2.array[i];
if (result.array[i] < 0)
{
result.array[i] += 10;
bigPos = i + 1;
while (bigPos == 0)
{
hG1.array[bigPos] = 9;
bigPos++;
}
hG1.array[bigPos] -= 1;
}
if (result.array[i] != 0)
{
end = i;
}
}
result.lengthOfNum = end + 1;
return result;
}
public void Test1()
{
var hint = new HugeInteger("5");
var hint2 = new HugeInteger("-5");
var r = hint.ToString();
Console.WriteLine(r);
r = hint2.ToString();
Console.WriteLine(r);
var hint3 = hint + hint2;
r = hint3.ToString();
Console.WriteLine(r);
var intv = 65464643;
var intv2 = 54645646464;
var intv3 = intv + intv2;
var intv4 = intv3 * 17;
hint = intv;
hint2 = intv2;
hint3 = hint + hint2;
var hint4 = hint3 * 17;
Assert.Equal(intv3.ToString(), hint3.ToString());
Assert.Equal(intv4.ToString(), hint4.ToString());
hint = "6546467575467543567546754356786546786545678654356786543";
hint2 = "2312345654457653432406755434793810849473931759308439374375893392850934937594794890285089275938404644983879387239";
hint4 = hint + hint2;
Console.WriteLine(hint4);
hint4 = hint * hint2;
Console.WriteLine(hint4);
hint4 = hint2 - hint2;
Console.WriteLine(hint4);
hint = "14";
hint2 = "221";
hint3 = hint / hint2;
hint4 = hint2 / hint;
Console.WriteLine(hint3);
Console.WriteLine(hint4);
hint3 = hint % hint2;
hint4 = hint2 % hint;
Console.WriteLine(hint3);
Console.WriteLine(hint4);
hint = "654";
hint2 = "11205675467544";
hint3 = hint / hint2;
hint4 = hint2 / hint;
Console.WriteLine(hint3);
Console.WriteLine(hint4);
hint = "10";
hint3 = hint.Power(2);
Console.WriteLine(hint3);
hint = long.MaxValue;
hint3 = hint.Power(20);
Console.WriteLine(hint3);
}
public bool IsLessThan(HugeInteger hg)
{
return !IsGreaterThanOrEqualTo(hg);
}
public bool IsNotEqual(HugeInteger hg)
{
return !IsEqualTo(hg);
}
