On Thursday 23 December 2004 16:18, Roger Thomas wrote:
> I want to convert negative number to its positive equivalent.
>
> $num = -40;
> printf("Unsigned value is %u", $num);
>
> output is: Unsigned value is 4294967256
>
> I have checked the manpages and %u seems the right format. Pls advise.
You've misunderstood what the unsigned representation means.
The correct function to use is abs().
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