/* nag_prob_f_dist (g01edc) Example Program.
 *
 * Copyright 2017 Numerical Algorithms Group.
 *
 * Mark 26.2, 2017.
 */

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

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

  INIT_FAIL(fail);

  /* Skip heading in data file */
  scanf("%*[^\n]");
  printf("nag_prob_f_dist (g01edc) Example Program Results\n");
  printf("  f      df1      df2     prob\n\n");
  while (scanf("%lf %lf %lf", &f, &df1, &df2) != EOF)
  {
    /* nag_prob_f_dist (g01edc).
     * Probabilities for F-distribution
     */
    prob = nag_prob_f_dist(Nag_LowerTail, f, df1, df2, &fail);
    if (fail.code != NE_NOERROR) {
      printf("Error from nag_prob_f_dist (g01edc).\n%s\n", fail.message);
      exit_status = 1;
      goto END;
    }

    printf("%6.3f%8.3f%8.3f%8.4f\n", f, df1, df2, prob);
  }

END:
  return exit_status;
}