/* nag_real_jacobian_elliptic (s21cac) Example Program.
 *
 * Copyright 2017 Numerical Algorithms Group.
 *
 * Mark 26.2, 2017.
 */

#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;
}