On 08-Jul-97, Kurt J. Tischer wrote to All about Signs of numbers.
 KJT> is it located and what is the name of the function?  If not, would 
 KJT> someone
 KJT> please show me a function to determine the sign of a number which would
 KJT> return 1 if positive, 0 if zero, and -1 if negative...?
// You'd maybe like to template this f()
int foo(int num)
{
        if (num) {
                if (num > 0) {
                        return 1;
                } else {
                        return -1;
                }
        } else {
                return 0;
        }
}
Or a HD saver version:
int foo(int num) { return num ? (num > 0 ? 1 : -1) : 0; }
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