Re: [xmile] update + some questions

[Bob Eberlein <bob@iseesystems.com>]

Hi Bobby,

Good catch - I hadn't actually gone back to the overall part to update 
the units discussion. I will look at that and update it to match the 
more detailed discussion.

 The detail discussion has been updated and does allow the 
interchangeable use of - and *, with no limits on multiple / or order. 
Most of the verbage is actually spent on deriving units and aliases so 
that a definitive unique canonical form can be expressed for comparison.

To your earlier point it would probably be helpful to introduce a formal 
grammar for that (a much simpler one than what is needed for equations 
fortunately).

                       Bob Eberlein


On 6/25/2014 9:44 PM, Bobby Powers wrote:
> Hi folks, I've been going through the spec, and have a few clarifying questions:
>
> 1 - required sim specs.  I'm not sure they should be required by the
> spec if we want to support modules/includes of vendor-specific unit
> files, styles or macros.   This is sort of covered towards the end of
> the overall section with the section on format of include files, but
> this is a little confusing to me (suggesting files included are not
> necessary XMILE files, but some subset).
>
> 2 - Model units.  We don't actually specify the syntax of model units
> in the overall part, and the example uses the old-style isee syntax of
> 'x/(b-c)' to workaround the limit of only allowing a single '/'
> character.  I don't mind that example, but would not want to limit the
> spec to a single division symbol.
>
> I've commited my changes to the overall section, and will work on the
> next sections tomorrow.  Thoughts, comments and criticisms welcome!
>
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