[tremor] Tremor's use of 64-bit math

Monty xiphmont at xiph.org
Thu Sep 12 21:01:01 PDT 2002



On Fri, Sep 13, 2002 at 02:02:54AM -0000, Owen G. Emry wrote:
> Hi, all.
> 
> I\'d appreciate it if someone who understands the decoder better than I could 
> briefly explain how Tremor uses 64-bit math.  My problem is this:

Before going too much farther, are you only referring to position
tracking code (eg granulepos) which uses 64 bit integers, or also the
32x32 -> 32,32 multiplications that occur in a number of places, such
as the mdct?

Monty
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