[Python-Dev] Expression optimizations (original) (raw)

Cesare Di Mauro cesare.dimauro at a-tono.com
Tue Feb 10 21:59:07 CET 2009

On Mar, Feb 10, 2009 09:42PM, Daniel Stutzbach wrote:

On Tue, Feb 10, 2009 at 2:36 PM, Cesare Di Mauro <cesare.dimauro at a-tono.com>wrote:

OK, so I can make assumptions only for built-in types.

Yes, but even there you have to be careful of odd corner-cases, such as:

nan = float('nan') nan < nan_ _False_ _nan >= nan False

Ah, I missed it. OK, and the same apply for decimals, I suppose.

Thanks Cesare

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