Add project files.

libpoly/include/Base.h

@@ -0,0 +1,25 @@
+#ifndef __POLY_BASE_H__
+#define __POLY_BASE_H__
+
+#define MID_UNKNOWN		0
+#define MID_NUMBER		256
+#define MID_VARIABLE		512
+#define MID_SYMBOL		1024
+
+#define MID_LONG		MID_NUMBER + 1
+#define MID_SQRT		MID_NUMBER + 2
+#define MID_FRACTION		MID_NUMBER + 3
+
+class CBase  
+{
+    public:
+	bool isSymbol();
+	bool isVar();
+	bool isNumber();
+	int id;
+	CBase();
+	virtual ~CBase();
+
+};
+
+#endif

libpoly/include/Constants.h

@@ -0,0 +1,36 @@
+#define MAXVALUE        0
+#define NONE            MAXVALUE
+#define ROOT            MAXVALUE + 1
+#define MUL             MAXVALUE + 2
+#define PLU             MAXVALUE + 3
+#define POW             MAXVALUE + 4
+#define MIN             MAXVALUE + 5
+#define DIV             MAXVALUE + 6
+#define OPEN            MAXVALUE + 7
+#define CLOSE           MAXVALUE + 8
+#define NUM             MAXVALUE + 9
+#define ID              MAXVALUE + 10
+#define EOS             MAXVALUE + 11
+#define COS             MAXVALUE + 12
+#define SIN             MAXVALUE + 13
+#define TAN             MAXVALUE + 14
+#define COSEC           MAXVALUE + 15
+#define CSC             COSEC
+#define SEC             MAXVALUE + 16
+#define COT             MAXVALUE + 17
+#define PI              ID
+#define EXP             ID
+#define LOG             MAXVALUE + 18
+#define LN              MAXVALUE + 19
+#define LOG10           MAXVALUE + 20
+
+#define ABS             MAXVALUE + 21
+#define MINF            MAXVALUE + 22
+#define MAXF            MAXVALUE + 23
+#define IRAND           MAXVALUE + 24
+#define FRAND           MAXVALUE + 25
+#define MOD             MAXVALUE + 26
+#define FLOOR		MAXVALUE + 27
+#define SIGN		MAXVALUE + 28
+
+#define MAXSTACK        100

libpoly/include/Poly.h

@@ -0,0 +1,56 @@
+#ifndef __POLY_POLY_H__
+#define __POLY_POLY_H__
+
+#include "SymTable.h"
+
+#include <string>
+#include <vector>
+#include <list>
+
+class CPoly
+{
+	public:
+		CPoly();
+		virtual ~CPoly();
+
+		int	Analyze(const char * pszStr = NULL);
+		double	Eval();
+		void	SetStr(const std::string & str);
+		int	SetVar(const std::string & strName, double dVar);
+		double GetVar(const std::string & strName);
+		void	Clear();
+
+	protected:
+		int		my_irandom(double start, double end);
+		double		my_frandom(double start, double end);
+
+		void		init();
+		int		insert(const std::string & s, int tok);
+		int		find(const std::string & s);
+		void		emit(int t,int tval);
+		void		match(int t); 
+		void		expo(); 
+		void		factor(); 
+		void		term(); 
+		int		lexan();
+		void		error();
+		void		expr();
+
+		int		iToken;
+		double		iNumToken;
+		int		iLookAhead;
+		int		iErrorPos;
+		bool		ErrorOccur;
+		unsigned int	uiLookPos;
+
+		// NOTE: list is slight faster than vector, why?!
+		std::vector<int>		tokenBase;
+		std::vector<double>		numBase;
+		std::vector<CSymTable *>	lSymbol;
+		std::vector<int>		SymbolIndex;
+		int				STSize;
+		std::string			strData;
+
+};
+
+#endif 

libpoly/include/SymTable.h

@@ -0,0 +1,17 @@
+#ifndef __POLY_SYMTABLE_H__
+#define __POLY_SYMTABLE_H__
+
+#include <string>
+
+class CSymTable  
+{
+    public:
+	CSymTable(int aTok, std::string aStr);
+	virtual ~CSymTable();
+
+	double		dVal;
+	int		token;
+	std::string	strlex;
+};
+
+#endif 

libpoly/include/Symbol.h

@@ -0,0 +1,39 @@
+#ifndef __POLY_SYMBOL_H__
+#define __POLY_SYMBOL_H__
+
+#include "Base.h"
+
+#define ST_UNKNOWN	0
+#define ST_PLUS		11
+#define ST_MINUS	12
+#define ST_MULTIPLY	23
+#define ST_DIVIDE	24
+#define ST_CARET	35
+#define ST_OPEN		06
+#define ST_CLOSE	07
+
+#define SY_PLUS		'+'
+#define SY_MINUS	'-'
+#define SY_MULTIPLY	'*'
+#define SY_DIVIDE	'/'
+#define SY_CARET	'^'
+#define SY_OPEN		'('
+#define SY_CLOSE	')'
+
+class CSymbol : public CBase   
+{
+    private:
+	int	iType;
+
+    public:
+	CSymbol();
+	virtual ~CSymbol();
+
+	static int	issymbol(int ch);
+	void		SetType(int Type);
+	int		GetType();
+	bool		Equal(CSymbol dif);
+	bool		Less(CSymbol dif);
+};
+
+#endif