[vorbis-dev] New LSP code committed

[Monty]

> The cos itself isn't that heavy (on pc processors; embedded is different,
> of course).
> 
> Oh, you can calculate the cos'es by CORDIC; no need for a look up table
> or actual cos() calls. Expect a patch soon :-)

(describe CORDIC.  I think I know what you mean, but I want to be sure).

The p/q lspcos loop needs very fine angle resolution... but the same lookup 
for that would also work for w.  These are the only cos() calls outside the 
iMDCT.

Monty

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