/* nag_ran_sample_vec (g05ejc) Example Program.
 *
 * Copyright 1992 Numerical Algorithms Group.
 *
 * Mark 3, 1992.
 */

#include <nag.h>
#include <stdio.h>
#include <nag_stdlib.h>
#include <nagg05.h>

#define NMAX 8

int main(void)
{
  Integer i, n, m, k;
  Integer ia[NMAX], ib[NMAX];
  Integer seed = 0;

  Vprintf("nag_ran_sample_vec (g05ejc) Example Program Results\n");
  /* nag_random_init_repeatable (g05cbc).
   * Initialize random number generating functions to give
   * repeatable sequence
   */
  nag_random_init_repeatable(seed);
  n = NMAX;

  for (i = 0; i < n; ++i)
    ia[i] = i;

  Vprintf("\nSamples from the first %ld integers \n\n", n);
  Vprintf("Sample size            Values \n");

  for (m = 1; m <= n; ++m)
    {
      /* nag_ran_sample_vec (g05ejc).
       * Pseudo-random sample without replacement from an integer
       * vector
       */
      nag_ran_sample_vec(ia, n, ib, m, NAGERR_DEFAULT);
      Vprintf("     %ld                   ", m);
      for (k = 0; k < m; ++k)
        Vprintf("%ld  ",ib[k]);
      Vprintf("\n");
    }
  return EXIT_SUCCESS;
}