/* nag_deviates_chi_sq (g01fcc) Example Program.
 *
 * Copyright 2014 Numerical Algorithms Group.
 *
 * Mark 1, 1990.
 */

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

int main(void)
{
  Integer  exit_status = 0;
  double   df, p, x;
  NagError fail;

  INIT_FAIL(fail);

  /* Skip heading in data file */
  scanf("%*[^\n]");
  printf("nag_deviates_chi_sq (g01fcc) Example Program Results\n");
  printf("     p       df      x\n\n");
  while (scanf("%lf %lf", &p, &df) != EOF)
    {
      /* nag_deviates_chi_sq (g01fcc).
       * Deviates for the chi^2 distribution
       */
      x = nag_deviates_chi_sq(p, df, &fail);
      if (fail.code != NE_NOERROR)
        {
          printf("Error from nag_deviates_chi_sq (g01fcc).\n%s\n",
                  fail.message);
          exit_status = 1;
          goto END;
        }
      printf("%8.3f%8.3f%8.3f\n", p, df, x);
    }

 END:
  return exit_status;
}