Subject: Re: Proposal Ben_P2: Numeric_Unsigned,
From: David Bishop (david.bishop@kodak.com)
Date: Tue Oct 08 2002 - 06:00:13 PDT
Jim Lewis wrote:
>
> We did not seem to reach consensus on the last proposal, so
> let me give this a shot. This one has no comparison functions
> and includes functions for both std_logic_vector and
> std_ulogic_vector.
I agree we need to support both.
> <BEN_P2>
> I would like to propose that we support an additional package
> named Numeric_Unsigned. This package will treat both std_logic_vector
> and std_ulogic_vector as unsigned and provide numeric operations
> for these types.
The problem here is that MTI already has a package by that name
"numeric_unsigned". Unless we match the functions exactly, we can
cause problems with existing code. The MTI package only supports
"std_logic_vector", but has shift operations in it (ours does not).
Why not call our packages "numeric_std_unsigned" so as not to
conflict?
-- David W. Bishop dbishop@vhdl.org
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