/*
Check whether signbitl can be linked.
*/
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
int main(int argc, char *argv[]) {
long double op = strtold(argv[1], NULL);
int ret;
ret = signbitl(op);
if(!ret) printf("ret set as expected\n");
else printf("signbitl is broken\n");
return 0;
}