/* nag_rngs_gen_discrete(g05mzc) Example Program.
 *
 * Copyright 2001 Numerical Algorithms Group.
 *
 * Mark 7, 2001.
 */

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

int main(void)
{
  /* Initialized data */

  static double p[] = { 0.01,0.02,0.04,0.08,0.2,0.3,0.2,0.08,0.04,0.02,0.01 };

  /* Scalars */
  Integer  i, igen, ip1, np, n, nr;
  Integer  exit_status=0;
  NagError fail;
  Nag_ComputeType itype;
  
/* Arrays */
  double   *r=0;
  Integer  *x=0;
  Integer  iseed[4];

  INIT_FAIL(fail);
  Vprintf("g05mzc Example Program Results\n\n");
  nr = 60;
  n = 20;
  np = 11;

  /* Allocate memory */
  if ( !(r = NAG_ALLOC(nr, double)) ||
       !(x = NAG_ALLOC(n, Integer)) )
    {
      Vprintf("Allocation failure\n");
      exit_status = -1;
      goto END;
    }

  /* Set the distribution parameters P and M */
  ip1 = -5;
  itype = Nag_Compute_1;
  /* Initialise the seed to a repeatable sequence */
  iseed[0] = 1762543;
  iseed[1] = 9324783;
  iseed[2] = 42344;
  iseed[3] = 742355;
  /* igen identifies the stream. */
  igen = 1;
  g05kbc(&igen, iseed);

  /* Choose MODE = 2 */
  g05mzc(2, p, np, ip1, itype, n, x, igen, iseed, r, &fail);
  if (fail.code != NE_NOERROR)
    {
      Vprintf("Error from g05mzc.\n%s\n", fail.message);
      exit_status = 1;
      goto END;
    }
  for (i = 0; i < n; ++i)
    {
      Vprintf("%12ld\n", x[i]);
    }
 END:
  if (r) NAG_FREE(r);
  if (x) NAG_FREE(x);
  return exit_status;
}