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/***************************************************************************/
/* ____Demonstrates the use of sprng and isprng____ */
/* A random number stream is initialized and a few random double precision */
/* numbers and a few integers are printed. */
/***************************************************************************/
#include <stdio.h>
#define SIMPLE_SPRNG /* simple interface */
#include "sprng.h" /* SPRNG header file */
#define SEED 985456376
main()
{
int seed, i, irn;
double rn;
/************************** Initialization *******************************/
init_sprng(DEFAULT_RNG_TYPE,SEED,SPRNG_DEFAULT); /* initialize stream */
printf(" Print information about new stream:\n");
print_sprng();
/*********************** print random numbers ****************************/
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);
}
/*********************** print random integers ***************************/
printf(" Printing 3 random integers in [0,2^31):\n");
for (i=0;i<3;i++)
{
irn = isprng(); /* generate an integer random number */
printf("%16d\n",irn);
}
}
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