[ncl-install] questions about ncarg library for interpolation routines

[Jemma Wu]

Hi Fred,

Thanks very much for sending me the CUBSPL source code. I'll replace my old
codes and see how it goes. I'll also have a look at the Fitgrid package and
see if I can migrate to it.

Regards,
Jemma

On Sat, Mar 12, 2011 at 8:10 AM, Fred Clare <fredclare at mac.com> wrote:

> Jemma,
>
> Attached is complete source for the old cubic spline interpolation
> package.  Dick Valent was able to dig this up.  The package has seven
> routines: coeff1, terp1, coeff2, terp2, trip, search, interp.  All of
> these are part of the HLU distribution, except for coeff2 and terp2.
>
> If you want to stay current, in place of using the cubic spline package,
> I would recommend using the more recent functions documented in
> the Fitgrid package at:
>
>  http://ncarg.ucar.edu/ngmath/fitgrid/fithome.html
>
> Fred Clare
>
>
>
>
>
>
> On Mar 9, 2011, at 10:46 PM, Jemma Wu wrote:
>
>  Hi Mary,
>>
>> Thanks for your help on installation of ncarg.5.
>>
>> Now I have managed to make the old Fortran codes (which used to run with
>> ncarg.v4 if you remember) to run with ncarg.v5. However, the results are not
>> very correct. I found the codes call some ncarg interpolation subroutines
>> (coeff2, terp2, interp, etc) which were in the cubspl package (?) of version
>> 4. But I couldn't find this package in the ncarg.v5 lib that I installed.
>> Could you point to me which package they are in? and are these subroutines
>> still the same with version 4?
>>
>> Many thanks.
>>
>> Regards,
>> Jemma
>>
>>
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>
>
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