Re: [LAD] Searching information about: denomals HUGE NaN Inf

Quoting Steven Chamberlain <steven@email-addr-hidden>:

> audio-mobster wrote:
> > can someone tell me where I get infomation about: denomals HUGE NaN
> Inf?
>
> Description of denormals etc., and how they're represented in memory:
> http://en.wikipedia.org/wiki/IEEE_754#Single-precision_32_bit
>
> As for tackling denormal issues:
> http://music.columbia.edu/pipermail/linux-audio-dev/2003-August/004581.html
> http://music.columbia.edu/pipermail/linux-audio-dev/2004-June/008739.html
>
> The FLUSH_TO_ZERO(x) macro can be seen used in TAP's tap_utils.h

The DAZ bit in the processor is often more efficient.

See:
http://www.intel.com/cd/ids/developer/asmo-na/eng/microprocessors/ia32/pentium4/optimization/19953.htm?page=3

For a basic introduction to what denormals are and how they affect the life
of music production: http://ardour.org/node/139

 Sampo

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Received on Fri May 11 16:15:02 2007