Re: [PATCH] Improve geometric types

On 07/30/2018 11:57 AM, Emre Hasegeli wrote:
>> OK, thanks for confirming. I'll get it committed and we'll see what the
>> animals think soon.
> 
> Thank you for fixing this.  I wanted to preserve this code but wasn't
> sure about the correct place or whether it is still necessary.
> 
> There are more places we produce -0.  The regression tests have
> alternative results to cover them.  I have the "float-zero" patch for
> this.  Although I am not sure if it is a correct fix.  I think we
> should find the correct fix, and apply it globally to floating point
> operations.  This can be only enabled for platforms which produce -0,
> so the others don't have to pay the price.
> 

Hmmm. It'll be difficult to review such patch without access to a 
platform exhibiting such behavior ... IIRC IBM offers free access to 
open-source devs, I wonder if that would be a way.

regards

-- 
Tomas Vondra                  http://www.2ndQuadrant.com
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