Re: [Boost-users] run-time integer log2

Subject: Re: [Boost-users] run-time integer log2
From: Tim Blechmann (tim_at_[hidden])
Date: 2010-07-13 07:48:52

>> hi all,
>>
>> i am aware, that boost provides a compile-time integer log2 function. but
>> what is the best way to compile an integer log2 at run-time?
>>
>>   
> In the good'ol Bits Twiddling Hacks page:

i see, maybe it would be an interesting addition to boost.integer to provide 
a generic and efficient version, based on bsr/ffs or the like ...

tim

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