How do I generate a random number between -2 and -1, and between 1 and 2?

I can use rand to get a random number between -2 and 2, but I don't want any numbers between -1 and 1. Is there a function that lets me do this?

Answer 1

[Walter Roberson]

t = rand() * 2 - 1;
r = t + sign(t);