[sv-ec] RE: [sv-ac] Unclear text in 'Functional coverage'

Surya,

You should have addressed this message to sv-ec, which I have CC'd.

That sentence means exactly what it says: a cross-product can only use cover-points from the same cover-group:

covergroup C1 @(ev)
  v : coverpoint a;
endgroup

covergroup C2 @(ev1)
  coverpoint b;
  x : cross C1.v, b;            <= use of C1.a is illegal
endgroup

The restriction may be redundant since I believe the lexical conventions already disallow the above.

        Arturo

-----Original Message-----
From: owner-sv-ac@eda.org [mailto:owner-sv-ac@eda.org] On Behalf Of Surya Pratik Saha
Sent: Wednesday, January 07, 2009 11:56 PM
To: sv-ac@eda.org
Cc: Ishita Ghosh
Subject: [sv-ac] Unclear text in 'Functional coverage'

Hi,
In '19.6 Defining cross coverage', it is mentioned:
"Attempts to cross items from different coverage groups shall result in
a compiler error."

I am not clear on the text. One example will help me to get it.

--
Regards
Surya




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