To: Kurt Kuzba
Subject: Signs of numbers
 KK> int sgn(int x)
 KK> {
 KK> return x ? (x > 0) ? 1 : -1 : 0;
 KK> }
 KK> It might even be better as a macro.
 KK> #define sgn(x) (x ? (x > 0) ? 1 : -1 : 0)
It's better as a function.  You run the risk of changing x twice.. like
sign(x++);
x is incremented twice instead of once like you'd expect.
BTW, when writing macros, encapsulate all parameters in parentheses:
#define sgn(x) ((x) ? ((x) > 0) ? 1 : -1 : 0)
To avoid order of operation problems.
SS
--- Maximus 3.01
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