[fpc-pascal] Bit manipulation
stevewilliams at kromestudios.com
Tue Feb 21 23:19:31 CET 2006
Florian Klaempfl wrote:
>Geno Roupsky wrote:
>>it is as simple as this:
>>function isset(value: dword; bit: byte): boolean;
>> result := value and (1 shl pred(bit)) <> 0;
>Adding inline doesn't hurt speedwise ;)
It is also assuming that bit counting starts at 1. I'd remove the
'pred' and have bit counting start at zero.
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