[linux-dvb] Large arrays
abraham.manu at gmail.com
Tue Aug 28 17:52:45 CEST 2007
Henk Vergonet wrote:
> On Tue, Aug 28, 2007 at 12:19:57AM +0400, Manu Abraham wrote:
>> Hi all
>> While working on a tuner, i stumbled upon one of the usual problems
>> (floating point operations) in kernel
>> The options what i had were:
>> * use integer math calculations
>> * precompute the values where double precision is needed.
>> That said, the first option i tried for a while, after a few days (i
>> almost gave up ?) got really irritated with it.
>> The second option seemed a bit more comfortable, to precalculate the values.
>> The disadvantage in such a case is that the array which holds the
>> precomputed value is quite large in size, with that in mind, a different
>> question arose in my mind, whether such large arrays would be frowned
>> upon in kernel
>> The precomputed array is here
> Hi Manu,
> What kind of calculations are we talking about? There must be a more space
> efficient way...
The calculations what i based it upon is here:
More information about the linux-dvb