Re: gnucap development snapshot 2007-12-16

Hi Al,

So, now that I'm not working at Cadence any more, I can dive into all  
this without any conflict of interest. :-)

On Mac OS X (Leopard/10.5.1), the models-bsim and models-spice3f5  
won't build unless I comment out the #ifndef/#endif linux section in  
Include/cpstd.h.  The models-ngspice17 version of Include/cpstd.h  
doesn't have it, so it builds without modifications.

Andrew.

On 18-Dec-07, at 1:10 PM, al davis wrote:

> There is a new development snapshot of gnucap available.
>
> There's a package at:
> http://www.gnucap.org/devel/gnucap-2007-12-16.tar.gz
>
> Models (optional) have also been updated:
> http://www.gnucap.org/devel/gnucap-2007-12-16-models-bsim.tar.gz
> http://www.gnucap.org/devel/gnucap-2007-12-16-models-ngspice17.tar.gz
> http://www.gnucap.org/devel/gnucap-2007-12-16-models-spice3f5.tar.gz
>
> Another optional package contains some tools:
> http://www.gnucap.org/devel/gnucap-2007-12-16-tools.tar.gz
>
> These packages are mirrored at:
> http://geda.seul.org/dist/
>
>
> This snapshot provides ..
>
> 1. Improvements to time step control.  The algorithm is the same
> but more devices participate in it, including the sources and
> functions associated with simple components.
>
> 2. "M" (multiplicity) works on all devices, including
> subcircuits.
>
> 3. A minor change to the way the plugin packages unpack, so they
> should build without further configuration if unpacked in the
> same place as the main tarball.
>
>
> As usual, to get started you need only the main package
> gnucap-2007-12-16.tar.gz .  The other "models" packages contain
> the exact models from the various sources.  If you need a jfet,
> I recommend the one in "spice3f5".  If you need a BSIM model,
> the obvious choice is the "bsim" package, which has all of
> them.  The "ngspice17" package contains a few models not
> available elsewhere, such as "vbic".
>
> If you need others, let me know.  Others, such as Josephson
> junction, are available, but I have not ported them yet.
> Porting a Spice model usually requires two files, a "Makefile"
> and a "wrapper.h", and no other changes.
>
>
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