/* Specification for a stack of real numbers (doubles).
 * The maximum number of elements allowed in the stack is given by MAX_SIZE.
 */

#ifndef DOUBLESTACK_HH
#define DOUBLESTACK_HH

class DoubleStack {
public:
	DoubleStack();

	bool isEmpty();
	bool isFull();

	void popAll();
	void push(double x);  	// Add the number "x" to the stack
	void pop();  		// Remove the top element from the stack
	double top();  		// Return the top element of the stack

private:
	static const int MAX_SIZE = 1000000;
	double data[MAX_SIZE];
	int topIndex;

};

#endif /* DOUBLESTACK_HH */