Question

I’m wondering a way that get only sign in integer value.

How to get a sign in integer value?

Please your help..

what I want is)

int value =  100;  ====>  result :  1
int value = -100;  ====>  result : -1
int value =    0;  ====>  result :  0

Answer 1

Trivial.

int signum(int n) { return (n < 0) ? -1 : (n > 0) ? +1 : 0; }