Re: [linux-audio-dev] Fixed vs. floating point

From: Jens M Andreasen <jens.andreasen@email-addr-hidden>
Date: Sun Oct 16 2005 - 04:33:56 EEST

On Fri, 2005-10-14 at 22:57 +0200, fons adriaensen wrote:
> ... ... Worse, unless you are using some specialised DSP chips that can do
> clipping in the ALU, implementing clipping in fixed point software usually leads
> to an immense waste of processing power.

The hardware need not be that specialized. Both mmx and altivec
implements 16bit saturating add and sub. Signed as well as unsigned.
Received on Sun Oct 16 08:15:04 2005

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