#ifndef BOUNDED_H_INCLUDED_
#define BOUNDED_H_INCLUDED_
 
template <class T, T lower, T upper>
class bounded { 
    T val;
 
    T check(T v) {
		if (upper < v)
			return upper;
		else if (lower <= v)
			return v;
		else
			return lower;
	}
 
public:
    bounded(bounded const &o) : val(o.val) {}
 
    bounded &operator=(T v) { 
		val = check(v);
        return *this;
    }
 
	bounded(T const &v=T()) {
		val = check(v);
	}
 
    operator T() { return val; }
};
 
#endif
 

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