A C++ source file to test the RandomSequenceOfUnique random number generator using TestU01's SmallCrush test suite.

rsu.cpp

#include "randomsequence.h"
#include <stdio.h>
#include <string.h>

extern "C"
{
    #include "unif01.h"
    #include "bbattery.h"
    #include "util.h"
}

#define  LEN  300                 /* Max length of strings */

static void WrRSU (void *vsta)
{
   printf (" (unimplemented)\n");
}

static double RSU_U01 (void *vpar, void *vsta)
{
   RandomSequenceOfUnique *rsu = (RandomSequenceOfUnique*) vsta;
   return rsu->next() / 4294967296.0;
}

static unsigned long RSU_Bits (void *vpar, void *vsta)
{
   RandomSequenceOfUnique *rsu = (RandomSequenceOfUnique*) vsta;
   return rsu->next();
}

unif01_Gen *ursu_CreateRSU (unsigned int seedBase, unsigned int seedOffset)
{
   unif01_Gen *gen = (unif01_Gen*) util_Malloc (sizeof (unif01_Gen));
   RandomSequenceOfUnique *rsu = new RandomSequenceOfUnique(seedBase, seedOffset);
   size_t leng;
   char name[LEN + 1];

   sprintf(name, "ursu_CreateRSU: seedBase = %d, seedOffset = %d", seedBase, seedOffset);
   leng = strlen (name);
   gen->name = (char*) util_Calloc (leng + 1, sizeof (char));
   strncpy (gen->name, name, leng);

   gen->param = NULL;
   gen->state = rsu;
   gen->Write = &WrRSU;
   gen->GetBits = &RSU_Bits;
   gen->GetU01 = &RSU_U01;
   return gen;
}

void ursu_DeleteGen (unif01_Gen *gen)
{
   if (NULL == gen) return;
   delete (RandomSequenceOfUnique*) gen->state;
   gen->name = (char*) util_Free (gen->name);
   util_Free (gen);
}

int main (void)
{
    unif01_Gen *gen;
    gen = ursu_CreateRSU (0, 0);
    bbattery_SmallCrush(gen);
    ursu_DeleteGen (gen);
    return 0;
}