#pragma once
 
#define TOOFAST 1.f

 namespace math {
 
 template<typename T>
 inline int sgn(T t) {
	return t == 0 ? 0 : t > 0 ? 1 : -1;
 }

 inline float dist(sf::Vector2f p1, sf::Vector2f p2) {
	 float dx = p1.x - p2.x;
	 float dy = p1.y - p2.y;
	 return std::sqrt(dx * dx + dy * dy);
 }
 
 inline float non_negative(float x) {
	 return x >= 0.f ? x : 0.f;
 }

 }