/* nag_real_jacobian_elliptic (s21cac) Example Program.
 *
 * Copyright 2002 Numerical Algorithms Group.
 *
 * Mark 7, 2002.
 */

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

int main(void)
{
  Integer  exit_status = 0;
  double   u, m, sn, cn, dn;
  NagError fail;

  INIT_FAIL(fail);

  /* Skip heading in data file */
  scanf("%*[^\n]");
  printf(
          "nag_real_jacobian_elliptic (s21cac) Example Program Results\n");
  printf(
          "      u            m            sn           cn           dn\n");
  while (scanf("%lf %lf", &u, &m) != EOF)
    {
      /* nag_real_jacobian_elliptic (s21cac).
       * Jacobian elliptic functions sn, cn and dn of real
       * argument
       */
      nag_real_jacobian_elliptic(u, m, &sn, &cn, &dn, &fail);
      if (fail.code != NE_NOERROR)
        {
          printf(
                  "Error from nag_real_jacobian_elliptic (s21cac).\n%s\n",
                  fail.message);
          exit_status = 1;
          goto END;
        }
      printf("%12.3e %12.3e %12.3e %12.3e %12.3e\n", u, m, sn, cn, dn);
    }

 END:
  return exit_status;
}