/* nag_prob_studentized_range (g01emc) Example Program.
 *
 * Copyright 2001 Numerical Algorithms Group.
 *
 * Mark 7, 2001.
 * Mark 7b revised, 2004.
 */

#include <stdio.h>
#include <nag.h>
#include <nagx04.h>
#include <nag_stdlib.h>
#include <nagg01.h>

int main(int argc, char *argv[])
{
  FILE     *fpin, *fpout;
  /* Scalars */
  Integer  exit_status = 0;
  double   q, v, valp;
  Integer  i, ir;
  NagError fail;

  INIT_FAIL(fail);

  /* Check for command-line IO options */
  fpin = nag_example_file_io(argc, argv, "-data", NULL);
  fpout = nag_example_file_io(argc, argv, "-results", NULL);

  fprintf(fpout,
          "nag_prob_studentized_range (g01emc) Example Program Results\n");

  /* Skip heading in data file */
  fscanf(fpin, "%*[^\n] ");
  fprintf(fpout, "\n%s\n\n", "  q       v    ir    Quantile ");
  for (i = 1; i <= 3; ++i)
    {
      fscanf(fpin, "%lf%lf%ld%*[^\n] ", &q, &v, &ir);
      /* nag_prob_studentized_range (g01emc).
       * Computes probability for the Studentized range statistic
       */
      valp = nag_prob_studentized_range(q, v, ir, &fail);
      if (fail.code != NE_NOERROR)
        {
          fprintf(fpout,
                  "Error from nag_prob_studentized_range (g01emc).\n%s\n",
                  fail.message);
          exit_status = 1;
          goto END;
        }
      fprintf(fpout, "%7.4f%2s%4.1f%1s%3ld%1s%10.4f\n", q, "",
              v, "", ir, "", valp);
    }

 END:
  if (fpin != stdin) fclose(fpin);
  if (fpout != stdout) fclose(fpout);
  return exit_status;
}