| /* |
| * $Id$ |
| * |
| * Revision History |
| * =================== |
| * $Log: rnd.h,v $ |
| * Revision 1.2 2007/04/07 08:10:40 cmcdevitt |
| * Fixes for dbgen with large scale factors |
| * |
| * 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 */ |
| }; |