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/***************************************************************************/
/* ____Demonstrates the use of sprng in C++____ */
/* A random number stream is initialized and a few random double precision */
/* numbers are printed. */
/***************************************************************************/
#include <stdio.h>
#include <string.h>
#include <iostream.h>
#include "sprng.h" /* SPRNG header file */
#define SEED 985456376
main()
{
int streamnum, nstreams, *stream;
double rn;
int irn;
int i;
int gtype; /*---*/
/*--- reading in a generator type */
#include "gen_types_menu.h"
printf("Type in a generator type (integers: 0,1,2,3,4,5): ");
scanf("%d", >ype);
/*---*/
/****************** Initialization values *******************************/
streamnum = 0;
nstreams = 1;
stream = init_sprng(gtype,streamnum,nstreams,SEED,SPRNG_DEFAULT); /* initialize stream */
cout << " Print information about new stream:\n";
print_sprng(stream);
/*********************** print random numbers ***************************/
cout << " Printing 3 random numbers in [0,1):\n";
for (i=0;i<3;i++)
{
rn = sprng(stream); /* generate a double precision random number */
cout << rn << "\n";
}
free_sprng(stream); /* free memory used to store stream state */
}
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