private static void Solve(int a, int b, out int x, out int y)
{
// Solve ax + by = 0
bool sameSign = Math.Sign(a) == Math.Sign(b);
int[] d = Powers.FromFraction(Math.Abs(b), Math.Abs(a));
int[] d0, d1;
Powers.Split(d, out d0, out d1);
x = (int)Powers.ToInt(d0);
y = (int)Powers.ToInt(d1);
if (sameSign)
{
y = -y;
}
}
public bool IsInteger()
{
Pow[] ns, ds;
Powers.Split(pows, out ns, out ds);
return(Powers.GetLength(ds) == 0);
}