[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 ?
"unset" applies to a configuration values, and can be used to disable 
some parts of the functionality (to avoid having two parameters "bool 
enable_this" and "double this_setpoint" for instance).

"unknown" applies to output data.

Sylvain