#include <iostream>
#include <vector>

class A
{
public:
	std::vector<int> vectorA;
	std::vector<int> vectorB;

	bool isAbove(double lowerBound)
	{
		double x = (double)vectorA.size() / vectorB.size();

		return x > lowerBound;
	}

	// other methods, members, stuff
};

int main()
{
	if (A().isAbove(10.0))
	{
		std::cout << "x is too big." << std::endl;
	}
	else
	{
		std::cout << "x is fine." << std::endl;
	}
}