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

From: audio-mobster <audio-mobster@email-addr-hidden>
Date: Fri May 11 2007 - 17:31:02 EEST

Sampo Savolainen schrieb:
> 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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>
THX

Uli
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Received on Fri May 11 20:15:02 2007

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