[Rock-dev] [Discussion] usage of infinity for "no-data" tagging

[Sylvain Joyeux]

On 07/29/2011 11:08 AM, Janosch Machowinski wrote:
> On 28.07.2011 14:10, Sylvain Joyeux wrote:
>> I've created a proposal for a guideline page for that
>>
>>      http://rock.opendfki.de/wiki/WikiStart/Standards/RG3
>>
>> Please discuss. I'll add the relevant bits to base when we agree on the
>> proposal.
>>
> Hey,
> I really don't see the difference in unknown and unset. From a user point
> of view, it should bail both times. Or do I miss an use case where you
> need to distinguish ?
>
> My second point would be base/float.hpp as this one more or less just
> doubles the functionality of limits, I would vote for dropping it and using
> std::numberic_limits.
The idea was that

   base::nan<double>();

is a lot less typing and easier to remember than

   std::numeric_limits<double>::quiet_nan();

But that's mostly a proposal ;-)

-- 
Sylvain Joyeux
Space&  Security Robotics

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