1long double func1 (long double x)
2{
3  if (x > 0.0)
4    return x;
5  else if (x < 0.0)
6    return -x;
7  else
8    return x;
9}
10
11long double func2 (long double x)
12{
13  if (x > 0.0)
14    return x;
15  else if (x < 0.0)
16    return -x;
17  else
18    return x;
19}
20
21
22