On Mon, 23 Apr 2012 15:21:04 +0200
Antonio Ospite <osp...@studenti.unina.it> wrote:

> Jonathan, maybe fixp_sin() and fixp_cos() can be used in
> drivers/media/video/ov7670.c too where currently ov7670_sine() and
> ov7670_cosine() are defined, but I didn't want to send a patch I could
> not test.

Seems like a good idea.  No reason to have multiple such hacks in the
kernel; I'll look at dumping the ov7670 version when I get a chance.  That
may not be all that soon, though; life is a bit challenging at the moment.

One concern is that if we're going to add users to fixp-arith.h, some of
it should maybe go to a C file.  Otherwise we'll create duplicated copies
of the cos_table array for each user.  I'm not sure the functions need to
be inline either; nobody expects cos() to be blindingly fast.

Thanks,

jon
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