[gmpi] Re: Reqs TODO
- From: "Martijn Sipkema" <m.j.w.sipkema@xxxxxxxxxxxxxxxxxx>
- To: <gmpi@xxxxxxxxxxxxx>
- Date: Wed, 26 Nov 2003 15:52:26 +0100
> On Wed, Nov 26, 2003 at 09:25:11AM -0500, Paul Davis wrote:
> > secondly, if you're writing DSP code, there's a good chance that the
> > way you handle a 64 bit unit will differ from the way you handle a 32
> > bit one. most ANSI C stuff is double-clean, but at the assembly level,
> > i am not familiar enough to know the impact ...
>
> C99 is not double-clean - sinf() has different semnatics to sin().
They are different functions though... sin() as well as sinf() will behave
identical when called with either double or float.
Since C doesn't have function overloading you'd have to use sin() to not
lose presicion when the sample type is double...
--ms
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