15 Oct
2005
15 Oct
'05
11:33 p.m.
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.