/* nag_poisson_dist (g01bkc) Example Program.
 *
 * Copyright 1996 Numerical Algorithms Group.
 *
 * Mark 4, 1996.
 *
 */

#include <nag.h>
#include <nag_stdlib.h>
#include <stdio.h>
#include <nagg01.h>

int main(void)
{
  Integer  exit_status = 0;
  Integer  k;
  double   plek, peqk, pgtk;
  double   rlamda;
  NagError fail;

  INIT_FAIL(fail);

  printf("nag_poisson_dist (g01bkc) Example Program Results\n");

  /* Skip heading in data file */
  scanf("%*[^\n] ");
  printf("\n    rlamda     k     plek      pgtk      peqk\n\n");

  while ((scanf("%lf %ld%*[^\n] ", &rlamda, &k)) != EOF)
    {
      /* nag_poisson_dist (g01bkc).
       * Poisson distribution function
       */
      nag_poisson_dist(rlamda, k, &plek, &pgtk, &peqk, &fail);
      if (fail.code != NE_NOERROR)
        {
          printf("Error from nag_poisson_dist (g01bkc).\n%s\n",
                  fail.message);
          exit_status = 1;
          goto END;
        }
      printf(" %10.3f%6ld%10.5f%10.5f%10.5f\n", rlamda, k, plek,
              pgtk, peqk);
    }

 END:
  return exit_status;
}