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Re: beginner question, NSNumber, NSDecimalAsNumber

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Re: beginner question, NSNumber, NSDecimalAsNumber

Subject: Re: beginner question, NSNumber, NSDecimalAsNumber
From: Andrew Farmer <email@hidden>
Date: Mon, 9 Nov 2009 20:59:40 -0800

On 9 Nov 2009, at 10:49, Jeffrey Oleander wrote:

Last I looked, 1-bit count was an assembly/
hardware instruction.  Getting the highest
order on-bit required a little cleverness.


Take a look at __builtin_clz(). (It maps to 'bsr' on x86.)
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  >Re: beginner question, NSNumber, NSDecimalAsNumber (From: Jeffrey Oleander <email@hidden>)




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