0001 #include <cstdio>
0002 #include <cstdlib>
0003 #include <cstring>
0004 #include <cmath>
0005 
0006 #include "stack/stack.h" //使用栈
0007 #include "priority.h"
0008 
0009 __int64 facI ( int n );
0010 double calcu ( double a, char op, double b );
0011 double calcu ( char op, double b );
0012 void displayProgress ( char*, char*, Stack<double>&, Stack<char>&, char* );
0013 void readNumber ( char*&, Stack<double>& );
0014 Operator optr2rank ( char );
0015 char priority ( char, char );
0016 void append ( char*, double ); //重载
0017 void append ( char*, char ); //重载
0018 double evaluate ( char* expr, char* rpn );