stack.h

DOS下的科学计算器

#include <iostream>
using namespace std;

#define STACK_INIT_SIZE 100
#define STACKINCREMENT 20
#define OK 1
#define ERROR 0
#define OVERFLOW -2

typedef int Status;
template <class SElemType>

class Stack{
	public:
		Status InitStack();
		Status GetTop(SElemType &e);
		Status Push(SElemType e);
		Status Pop(SElemType &e);
	private:
		SElemType *base;
		SElemType *top;
		int stacksize;
};