sign(int x): int
sign(var x): var
The sign of x: -1, 0, or 1.
Parameters:
x - any var or int.
Returns:
| x > 0 |
1 |
| x == 0 |
0 |
| x < 0 |
-1 |
Example:
x = sign(2); // x is now 1
x = sign(-599); // x is now -1
x = sign(0); // x is now 0
See also:
sqrt, abs, cdf
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