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#ifndef FORMULA_H
#define FORMULA_H
#define OP_BAD -1
#include "gamedb.h"
#include "playerdb.h"
#define OP_NONE 0
#define OP_RTPAREN 1
#define OP_OR 2
#define OP_AND 3
#define OP_EQ 4
#define OP_NEQ 5
#define OP_GT 6
#define OP_GE 7
#define OP_LT 8
#define OP_LE 9
#define OP_PLUS 10
#define OP_MINUS 11
#define OP_MULT 12
#define OP_DIV 13
#define OP_NEGATE 14
#define OP_NOT 15
#define OPTYPE_BAD 0
#define OPTYPE_NONE 1
#define OPTYPE_RPAREN 2
#define OPTYPE_PAREN 3
#define OPTYPE_OR 4
#define OPTYPE_AND 5
#define OPTYPE_COMPEQ 6
#define OPTYPE_COMPGL 7
#define OPTYPE_ADD 8
#define OPTYPE_MULT 9
#define OPTYPE_UNARY 10
#define ERR_NONE 0
#define ERR_EOF 1
#define ERR_UNARY 2
#define ERR_BADCHAR 3
#define ERR_BADVAR 4
#define ERR_BADOP 5
#define ERR_NONESENSE 6
#define ERR_DIVBYZERO 7
#define ERR_PAREN 8
#define FUDGE_FACTOR 1e-3
extern int CheckFormula(game *, int, int *, int, int *, int);
extern int GameMatchesFormula(int, int, int, int, int, int, int, int,
textlist **);
extern int GetRating(player *, int);
extern int SetValidFormula(int, int, char *);
extern void ShowClauses(int, int, textlist *);
#endif
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