/*
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 * benchmark specification maintained by the TPC.
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 * Contributors:
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 */
#ifndef GENRAND_H
#define GENRAND_H

#include "decimal.h"
#include "date.h"
#include "dist.h"
#include "address.h"
#define JMS 1

typedef struct RNG_T {
	int nUsed;
	int nUsedPerRow;
	long nSeed;
	long nInitialSeed; /* used to allow skip_row() to back up */
	int nColumn;       /* column where this stream is used */
	int nTable;        /* table where this stream is used */
	int nDuplicateOf;  /* duplicate streams allow independent tables to share
	                      data streams */
#ifdef JMS
	ds_key_t nTotal;
#endif
} rng_t;
extern rng_t Streams[];

#define FL_SEED_OVERRUN 0x0001

#define ALPHANUM "abcdefghijklmnopqrstuvxyzABCDEFGHIJKLMNOPQRSTUVXYZ0123456789"
#define DIGITS   "0123456789"

#define RNG_SEED 19620718

int genrand_integer(int *dest, int dist, int min, int max, int mean, int stream);
int genrand_decimal(decimal_t *dest, int dist, decimal_t *min, decimal_t *max, decimal_t *mean, int stream);
int genrand_date(date_t *dest, int dist, date_t *min, date_t *max, date_t *mean, int stream);
ds_key_t genrand_key(ds_key_t *dest, int dist, ds_key_t min, ds_key_t max, ds_key_t mean, int stream);
int gen_charset(char *dest, char *set, int min, int max, int stream);
int dump_seeds_ds(int tbl);
void init_rand(void);
void skip_random(int s, ds_key_t count);
int RNGReset(int nTable);
long next_random(int nStream);
void genrand_email(char *pEmail, char *pFirst, char *pLast, int nColumn);
void genrand_ipaddr(char *pDest, int nColumn);
int genrand_url(char *pDest, int nColumn);
int setSeed(int nStream, int nValue);
void resetSeeds(int nTable);

#endif