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/*
* $Id: rnd.h,v 1.4 2006/08/01 04:13:17 jms Exp $
*
* Revision History
* ===================
* $Log: rnd.h,v $
* Revision 1.4 2006/08/01 04:13:17 jms
* fix parallel generation
*
* Revision 1.3 2006/07/31 17:23:09 jms
* fix to parallelism problem
*
* Revision 1.2 2005/01/03 20:08:59 jms
* change line terminations
*
* Revision 1.1.1.1 2004/11/24 23:31:47 jms
* re-establish external server
*
* Revision 1.1.1.1 2003/08/08 21:50:34 jms
* recreation after CVS crash
*
* Revision 1.3 2003/08/08 21:35:26 jms
* first integration of rng64 for o_custkey and l_partkey
*
* Revision 1.2 2003/08/07 17:58:34 jms
* Convery RNG to 64bit space as preparation for new large scale RNG
*
* Revision 1.1.1.1 2003/04/03 18:54:21 jms
* initial checkin
*
*
*/
/*
* rnd.h -- header file for use withthe portable random number generator
* provided by Frank Stephens of Unisys
*/
/* function protypes */
DSS_HUGE NextRand PROTO((DSS_HUGE));
DSS_HUGE UnifInt PROTO((DSS_HUGE, DSS_HUGE, long));
static long nA = 16807; /* the multiplier */
static long nM = 2147483647;/* the modulus == 2^31 - 1 */
static long nQ = 127773; /* the quotient nM / nA */
static long nR = 2836; /* the remainder nM % nA */
double dM = 2147483647.0;
/*
* macros to control RNG and assure reproducible multi-stream
* runs without the need for seed files. Keep track of invocations of RNG
* and always round-up to a known per-row boundary.
*/
/*
* preferred solution, but not initializing correctly
*/
#define VSTR_MAX(len) (long)(len / 5 + (len % 5 == 0)?0:1 + 1)
seed_t Seed[MAX_STREAM + 1] =
{
{PART, 1, 0, 1}, /* P_MFG_SD 0 */
{PART, 46831694, 0, 1}, /* P_BRND_SD 1 */
{PART, 1841581359, 0, 1}, /* P_TYPE_SD 2 */
{PART, 1193163244, 0, 1}, /* P_SIZE_SD 3 */
{PART, 727633698, 0, 1}, /* P_CNTR_SD 4 */
{NONE, 933588178, 0, 1}, /* text pregeneration 5 */
{PART, 804159733, 0, 2}, /* P_CMNT_SD 6 */
{PSUPP, 1671059989, 0, SUPP_PER_PART}, /* PS_QTY_SD 7 */
{PSUPP, 1051288424, 0, SUPP_PER_PART}, /* PS_SCST_SD 8 */
{PSUPP, 1961692154, 0, SUPP_PER_PART * 2}, /* PS_CMNT_SD 9 */
{ORDER, 1227283347, 0, 1}, /* O_SUPP_SD 10 */
{ORDER, 1171034773, 0, 1}, /* O_CLRK_SD 11 */
{ORDER, 276090261, 0, 2}, /* O_CMNT_SD 12 */
{ORDER, 1066728069, 0, 1}, /* O_ODATE_SD 13 */
{LINE, 209208115, 0, O_LCNT_MAX}, /* L_QTY_SD 14 */
{LINE, 554590007, 0, O_LCNT_MAX}, /* L_DCNT_SD 15 */
{LINE, 721958466, 0, O_LCNT_MAX}, /* L_TAX_SD 16 */
{LINE, 1371272478, 0, O_LCNT_MAX}, /* L_SHIP_SD 17 */
{LINE, 675466456, 0, O_LCNT_MAX}, /* L_SMODE_SD 18 */
{LINE, 1808217256, 0, O_LCNT_MAX}, /* L_PKEY_SD 19 */
{LINE, 2095021727, 0, O_LCNT_MAX}, /* L_SKEY_SD 20 */
{LINE, 1769349045, 0, O_LCNT_MAX}, /* L_SDTE_SD 21 */
{LINE, 904914315, 0, O_LCNT_MAX}, /* L_CDTE_SD 22 */
{LINE, 373135028, 0, O_LCNT_MAX}, /* L_RDTE_SD 23 */
{LINE, 717419739, 0, O_LCNT_MAX}, /* L_RFLG_SD 24 */
{LINE, 1095462486, 0, O_LCNT_MAX * 2}, /* L_CMNT_SD 25 */
{CUST, 881155353, 0, 9}, /* C_ADDR_SD 26 */
{CUST, 1489529863, 0, 1}, /* C_NTRG_SD 27 */
{CUST, 1521138112, 0, 3}, /* C_PHNE_SD 28 */
{CUST, 298370230, 0, 1}, /* C_ABAL_SD 29 */
{CUST, 1140279430, 0, 1}, /* C_MSEG_SD 30 */
{CUST, 1335826707, 0, 2}, /* C_CMNT_SD 31 */
{SUPP, 706178559, 0, 9}, /* S_ADDR_SD 32 */
{SUPP, 110356601, 0, 1}, /* S_NTRG_SD 33 */
{SUPP, 884434366, 0, 3}, /* S_PHNE_SD 34 */
{SUPP, 962338209, 0, 1}, /* S_ABAL_SD 35 */
{SUPP, 1341315363, 0, 2}, /* S_CMNT_SD 36 */
{PART, 709314158, 0, 92}, /* P_NAME_SD 37 */
{ORDER, 591449447, 0, 1}, /* O_PRIO_SD 38 */
{LINE, 431918286, 0, 1}, /* HVAR_SD 39 */
{ORDER, 851767375, 0, 1}, /* O_CKEY_SD 40 */
{NATION, 606179079, 0, 2}, /* N_CMNT_SD 41 */
{REGION, 1500869201, 0, 2}, /* R_CMNT_SD 42 */
{ORDER, 1434868289, 0, 1}, /* O_LCNT_SD 43 */
{SUPP, 263032577, 0, 1}, /* BBB offset 44 */
{SUPP, 753643799, 0, 1}, /* BBB type 45 */
{SUPP, 202794285, 0, 1}, /* BBB comment 46 */
{SUPP, 715851524, 0, 1} /* BBB junk 47 */
};
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