real_zerop for vectors

[Paolo Carlini]

On 10/28/2012 06:06 PM, Marc Glisse wrote:
> On Sun, 28 Oct 2012, Paolo Carlini wrote:
>
>> I was writing something like the below.
>
> I would move the one-liners (real_zerop, etc) to tree.h, but that 
> looks good, yes.
Ah great. But please, don't wait on me, I'm in the middle of too many 
other things, if you like the idea just integrate it with your other 
work in this area and go ahead!

Cheers,
Paolo.