/* nag_prob_non_central_f_dist (g01gdc) Example Program.
 *
 * Copyright 2000 Numerical Algorithms Group.
 *
 * NAG C Library
 *
 * Mark 6, 2000.
 */

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

int main(void)
{
  double df1, df2, f, prob, lambda, tol;
  Integer max_iter;
  Integer exit_status=0;
  NagError fail;

  INIT_FAIL(fail);
  Vprintf("g01gdc Example Program Results\n");

/* Skip heading in data file */
  Vscanf("%*[^\n]");

  Vprintf ("\n     f       df1     df2     lambda    prob\n\n");
  tol = 5e-6;
  max_iter = 50;
  while ((scanf("%lf %lf %lf %lf %*[^\n]", &f, &df1, &df2, &lambda)) != EOF)
    {
      prob = g01gdc(f, df1, df2, lambda, tol, max_iter, &fail);
      if (fail.code != NE_NOERROR)
        {
          Vprintf("Error from g01gdc.\n%s\n",  fail.message);
          exit_status=1;
          goto END;
        }
      Vprintf("%8.3f %8.3f %8.3f %8.3f %8.4f\n", f, df1, df2, lambda, prob);
    }
 END:
  return exit_status;
}