/* nag_specfun_jactheta_real (s21ccc) Example Program.
*
* Copyright 2023 Numerical Algorithms Group.
*
* NAG C Library
*
* Mark 29.3, 2023.
*/
#include <nag.h>
#include <stdio.h>
int main(void) {
Integer exit_status = 0, k;
NagError fail;
double q, x, y;
INIT_FAIL(fail);
/* Skip heading in data file */
scanf("%*[^\n] ");
printf("nag_specfun_jactheta_real (s21ccc) Example Program Results\n");
printf(" k x q y\n");
while (scanf("%" NAG_IFMT "%lf%lf%*[^\n]", &k, &x, &q) != EOF)
{
/* nag_specfun_jactheta_real (s21ccc).
* Jacobian theta functions with real arguments
*/
y = nag_specfun_jactheta_real(k, x, q, &fail);
if (fail.code != NE_NOERROR) {
printf("Error from nag_specfun_jactheta_real (s21ccc).\n%s\n",
fail.message);
exit_status = 1;
goto END;
}
printf("%2" NAG_IFMT " %4.1f %4.1f %13.4e\n", k, x, q, y);
}
END:
return exit_status;
}