Dear all,

if not needed, perhaps we could simply remove the less accurate Kuntz 
lineshapes, and just keep the Kuntz6 one?

/Stefan

> On 31 Mar 2016, at 17:25, Richard Larsson <ric.lars...@gmail.com> wrote:
> 
> Hello Ole,
> 
> Yeah, it is because we moved a lot of the partial derivatives to lower 
> levels.  You are asking for a partial derivative of something that requires 
> knowing the partial derivative of the line shape with respect to your 
> variable.  This is trivial if the function returns the phase shift but not so 
> trivial otherwise.  In short, it requires a numerical implementation for the 
> faster line shapes.
> 
> The only faster line shape with a numerical implementation so far is 
> Voigt_Kuntz6.  Can you change this to be your line shape?
> 
> //Richard
> 
> 2016-03-31 16:18 GMT+02:00 Ole Martin Christensen 
> <olemartin.christen...@misu.su.se>:
>  I trying to rerun some old code got the following error message from my arts 
> today:
> 
> 
> Run-time error in controlfile: 
> /tmp/atmlab-olemar-tp233502eb_6598_4500_90ae_1aeaf2753936/cfile_yj.arts
> Run-time error in method: yCalc
> Run-time error in function: iyb_calc
> Run-time error in agenda: iy_main_agenda
> Run-time error in method: iyEmissionStandard
> Run-time error in agenda: propmat_clearsky_agenda
> Run-time error in method: propmat_clearskyAddOnTheFly
> Run-time error in agenda: abs_xsec_agenda
> Run-time error in method: abs_xsec_per_speciesAddLines
> This is an error message. You are using Voigt_Kuntz3.
> Your selected *jacobian_quantities* requires that the line shape returns 
> partial
> derivatives.
> Stopping ARTS execution.
> Goodbye.
> 
> 
> anyone know why?
> 
> 
> Ole Martin
> 
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