[LAD] Is -ffast-math safe for audio?

Will J Godfrey WillGodfrey at musically.me.uk
Thu Nov 22 20:58:57 CET 2018

On Thu, 22 Nov 2018 19:28:58 +0100
David Runge <dave at sleepmap.de> wrote:

>On 2018-11-22 18:57:15 (+0100), Hermann Meyer wrote:
>> In the guitarix project we've disabled  -ffast-math several years ago,
>> when I remember right it was at gcc3, as it could lead to different
>> un-reproduciable calculations. Last option I've disabled on gcc8 now,
>> is -ffinite-math-only, this one leads to nan's and inf's in several
>> cases, which been as well not reproducible.  
>Rabbit hole stuff! SuperCollider came to a similar conclusion:

Thanks a lot people. I kept thinking I was doing something wrong!

It wasn't me! (Well actually, it probably was)

... the hard part is not dodging what life throws at you,
but trying to catch the good bits.

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