RE: IEEE - Latest Constraints revisions

From: Hannes Froehlich <hannes@cadence.com>
Date: Mon Jul 21 2014 - 02:18:15 PDT
Hi Andy,

You wrote
"
In section 10.2.10, "Generatable paths and the sampling of inputs," on PDF page 10 the paragraph:
An otherwise generatable path can be defined as input to a constraint using the read_only() syntax, e.g., keep x<read_only(y). In this case, the set of values y can take is unaffected by the constraints on x.  The parameter y is treated as an input.
would be grammatically correct if written as:
A non-generatable path can be transformed into a generatable path if it is defined as an input to a constraint using the read_only() syntax, e.g., keep x < read_only(y). In this case, the set of values y can take is unaffected by the constraints on x. The parameter y is treated as an input.
"

I'd like to point out that one cannot make a non-generatable path generatable. Impossible.

However, what one can do is to make a generatable path non-generatable, using read_only(<>).
This is what this paragraph tried to capture.

-hannes

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Received on Mon Jul 21 02:20:20 2014

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