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/****************************************************************************/
/* ____Demonstrates the use make_sprng_seed____ */
/* 'make_sprng_seed' is used to produce a new seed each time the program is */
/* run. Then a few random numbers are printed. */
/****************************************************************************/
#include <stdio.h>
#define SIMPLE_SPRNG /* simple interface */
#include "sprng.h" /* SPRNG header file */
main()
{
int i, seed;
double rn;
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);
seed = make_sprng_seed(); /* make new seed each time program is run */
init_sprng(gtype,seed,SPRNG_DEFAULT); /* initialize stream */
printf(" Printing information about new stream\n");
print_sprng();
printf(" Printing 3 random numbers in [0,1):\n");
for (i=0;i<3;i++)
{
rn = sprng(); /* generate double precision random number */
printf("%f\n", rn);
}
}
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