On Tuesday 09 May 2006 07:37, al davis wrote: > On Saturday 06 May 2006 23:14, Dan McMahill wrote: > > I would really like to see true hierarchical support added to > > gnetlist. For driving spice or gnucap simulations thats > > really the right way to do it. > > It makes a big difference to gnucap, and it will become more > important in the future. Spice flattens it anyway, so it > doesn't really matter.
Do you have any papers on hierarchical analog simulation and how it is done? > The biggest deficiency in gnetlist is that it doesn't properly > translate all symbols. There should be some default rule that > defines how unknown symbols are translated. Something like > everything is a subcircuit (type "X") might be appropriate. I > guess this is another reason why the Spice format must go away. You mean from gnetlist or from the EDA world as such? > > Then hierarchy can work by defining some ".subckt", which could > be in a separate file. Cat the files, or use .include and > there's the complete circuit. Maybe it is time to see if gnucap can get a native tag in xcircuit. -- Svenn
