/* nag_prob_f_dist (g01edc) Example Program.
 *
 * Copyright 1990 Numerical Algorithms Group.
 *
 * Mark 1, 1990.
 */

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

int main(void)
{
  double df1, df2, f, prob;
  static NagError fail;

  /* Skip heading in data file */
  Vscanf("%*[^\n]");
  Vprintf("nag_prob_f_dist (g01edc) Example Program Results\n");
  Vprintf("  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)
        Vprintf("%6.3f%8.3f%8.3f%8.4f\n", f, df1, df2, prob);
      else
        Vprintf("%6.3f%8.3f%8.3f%8.4f\n Note: %s\n",f,df1,df2,prob,
                fail.message);
    }
  return EXIT_SUCCESS;
}