Re: set_par_fun behavior for derived parameter outside range

On Thu, Apr 12, 2012 at 19:11 -0400, Maurice Leutenegger wrote:
> Hi all,
> 
> the behavior of set_par_fun changed in 1.6.1-8,9:
> 
> 8.  Don't generate an error when a model parameter value,
>          obtained from a function evaluation, falls outside the
>          assigned min/max range (see set_par_fun). Instead, the out
>          of range value will be ignored and a warning message will
>          be printed if Isis_Verbose>0.
>      9.  Revise error handling introduced in #8 to interrupt
>          model evaluation when derived parameters are out of range.
> 
> Is there any way to get a more forgiving behavior from set_par_fun?

No.

> I would prefer to allow model evaluation even if the derived
> parameter falls outside the soft limit.
>

Why not just enlarge the allowed range for the derived parameter?

If necessary, the hard-limit range could be increased as well
(see __set_hard_limits). But if the hard limits represent
fundamental limitations of the model, then violating the
default hard limits may cause the model evaluation to fail.

Thanks,
-John
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