Re: [vhdl-200x-ft] Bit rules

From: Jim Lewis <Jim@SynthWorks.com>
Date: Tue Jul 06 2004 - 19:06:44 PDT

David,
What is the decision process for proposing changes
and adopting them? I noticed that you have
implemented proposal 4 before we have finished
discussing it.

My preference would be that we discuss things,
agree that we should go this direction, vote
if necessary, record the decision, and implement
the change.

I understand testing the proposal. Is that why
you posted the code, or do you consider the
decision done?

I like the enthusiasm, but I find the process
difficult to follow.

Cheers,
Jim

> -- From Ryan
>>> PROPOSAL 4
>>>
>>> Define mixed signed/unsigned logic. Add "+", "*", "-", and "/"
>>> operators
>>> for all combinations of UFIXED/SFIXED. This is another fairly common
>>> operation in signal processing hardware that is well-defined. David
>>> noted
>>> that bit literals need a type cast anyway, so we shouldn't have the same
>>> problem as mixed arithmetic in numeric_std.

-- 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Jim Lewis
Director of Training             mailto:Jim@SynthWorks.com
SynthWorks Design Inc.           http://www.SynthWorks.com
1-503-590-4787
Expert VHDL Training for Hardware Design and Verification
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Received on Tue Jul 6 19:06:47 2004

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