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Mail Archives: geda-user/2016/01/01/17:54:08

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Subject: Re: gEDA and it's future with Scheme & Guile was Re: [geda-user] Project leadership
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From: John Doty <jpd AT noqsi DOT com>
In-Reply-To: <alpine.DEB.2.11.1601012231450.1728@newt>
Date: Fri, 1 Jan 2016 15:53:53 -0700
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References: <CAM2RGhS4L-ch6FEcLtdSt0vA0BdQZvq+AuFDP+9ea7Ftd=AALg AT mail DOT gmail DOT com> <8444F816-17CE-4A56-A982-4A60DEDA72B8 AT noqsi DOT com> <alpine DOT DEB DOT 2 DOT 00 DOT 1512300544550 DOT 9035 AT igor2priv> <87FC7D4C-157A-499E-8B93-97653D6A7C68 AT noqsi DOT com> <alpine DOT DEB DOT 2 DOT 11 DOT 1601012231450 DOT 1728 AT newt>
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On Jan 1, 2016, at 3:17 PM, Roland Lutz <rlutz AT hedmen DOT org> wrote:

> On Tue, 29 Dec 2015, John Doty wrote:
>> There are several alternate notions of how slotting should work. If =
you want slotting in gschem, you should load a suitable script.
>=20
> Could you please explain in more detail how you think slotting should =
work?
>=20
>=20

I=92m agnostic, except that it should be handled by optional scripts, =
not hard-wired into gschem and gnetlist. Also, we should not be using =
pinseq for both ordering connections in flows like SPICE and identifying =
pins for slotting. How we untangle this is a tough question. At least =
gnet-spice-noqsi doesn=92t depend on pinseq, although it defaults to =
using pinseq for backward compatibility.

Various people have suggested various approaches over the years. I would =
invite them to restate their positions or point us at their posts.

One problem with heterogeneous slotting is knowing when a bunch of =
symbols with the same refdes form a complete description of a part =
without duplication. My gnetlist back ends gnet-check-pincount and =
gnet-check-duplicates are effective at detecting errors in heterogeneous =
slotting from the bottom up. They don=92t require that the symbols =
somehow encode the knowledge of which other symbols they should partner =
with.

John Doty              Noqsi Aerospace, Ltd.
http://www.noqsi.com/
jpd AT noqsi DOT com



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