/* nag_specfun_ellipint_legendre_3 (s21bgc) Example Program.
*
* Copyright 2024 Numerical Algorithms Group.
*
* Mark 30.3, 2024.
*/
/* Pre-processor includes */
#include <math.h>
#include <nag.h>
#include <stdio.h>
int main(void) {
/*Integer scalar and array declarations */
Integer exit_status = 0;
Integer ix;
/*Double scalar and array declarations */
double dm, dn, p, phi, pi;
NagError fail;
INIT_FAIL(fail);
printf("nag_specfun_ellipint_legendre_3 (s21bgc) Example Program Results\n");
printf("\n dn phi dm nag_specfun_ellipint_legendre_3\n\n");
/*
* nag_math_pi (x01aac)
*/
pi = nag_math_pi;
for (ix = 1; ix <= 3; ix++) {
phi = ix * pi / 6.00e0;
dm = ix * 0.250e0;
dn = (pow(((-(1.00e0))), (ix + 1))) * ix * 0.10e0;
/*
* nag_specfun_ellipint_legendre_3 (s21bgc)
* Elliptic integral of 3rd kind, Legendre form, Pi (n; phi |m)
*/
p = nag_specfun_ellipint_legendre_3(dn, phi, dm, &fail);
if (fail.code != NE_NOERROR) {
printf("Error from nag_specfun_ellipint_legendre_3 (s21bgc).\n%s\n",
fail.message);
exit_status = 1;
goto END;
}
printf("%7.2f%7.2f%7.2f%12.4f\n", dn, phi, dm, p);
}
END:
return exit_status;
}