public static bool ResultNegative(LargeNumberStorage a, LargeNumberStorage b)
{
//basically a negative check
if (b.number.Count > a.number.Count)
{
return(true);
}
if (a.number.Count == b.number.Count)
{
for (var i = 0; i < a.number.Count; i++)
{
if (a.number[i] > b.number[i])
{
break;
}
else if (a.number[i] == b.number[i])
{
continue;
}
else if (a.number[i] < b.number[i])
{
return(true);
}
}
}
return(false);
}
public static List <int> operator +(LargeNumberStorage a, LargeNumberStorage b)
{
LargeNumberStorage larger = (a.number.Count > b.number.Count) ? a : b;
LargeNumberStorage smaller = (larger == a) ? b : a;
for (int i = (larger.number.Count - smaller.number.Count); i < larger.number.Count; i++)
{
larger.number[i] = smaller.number[i - (larger.number.Count - smaller.number.Count)] + larger.number[i];
}
for (int i = larger.number.Count - 1; i > -1; i--)
{
if (larger.number[i] > 9)
{
int num = larger.number[i];
int carry = (int)num / 10;
if (i != 0)
{
larger.number[i - 1] += carry;
larger.number[i] = larger.number[i] % 10;
}
else
{
larger.number.Insert(0, carry);
larger.number[i + 1] = larger.number[i] % 10;
}
}
}
return(larger.number);
}