/* nag_specfun_arctanh (s11aac) Example Program.
*
* Copyright 2022 Numerical Algorithms Group.
*
* Mark 28.7, 2022.
*/
#include <nag.h>
#include <stdio.h>
int main(void) {
Integer exit_status = 0;
double x, y;
NagError fail;
INIT_FAIL(fail);
/* Skip heading in data file */
scanf("%*[^\n]");
printf("nag_specfun_arctanh (s11aac) Example Program Results\n");
printf(" x y\n");
while (scanf("%lf", &x) != EOF)
{
/* nag_specfun_arctanh (s11aac).
* Inverse hyperbolic tangent, arctanh x
*/
y = nag_specfun_arctanh(x, &fail);
if (fail.code != NE_NOERROR) {
printf("Error from nag_specfun_arctanh (s11aac).\n%s\n", fail.message);
exit_status = 1;
goto END;
}
printf("%12.3e%12.3e\n", x, y);
}
END:
return exit_status;
}