-- Copyright (C) 2001-2002 The University of Cincinnati.  
-- All rights reserved. 

-- This file is part of VESTs (Vhdl tESTs).

-- UC MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF THE
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-- You may modify, distribute, and use the software contained in this
-- package under the terms of the "GNU GENERAL PUBLIC LICENSE" version 2,
-- June 1991. A copy of this license agreement can be found in the file
-- "COPYING", distributed with this archive.

-- You should have received a copy of the GNU General Public License
-- along with VESTs; if not, write to the Free Software Foundation,
-- Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 

-- ---------------------------------------------------------------------
--
-- $Id: test115.ams,v 1.1 2002-03-27 22:11:18 paw Exp $
-- $Revision: 1.1 $
--
-- ---------------------------------------------------------------------

----------------------------------------------------------------------
-- SIERRA REGRESSION TESTING MODEL
-- Develooped at:
-- Distriburted Processing Laboratory
-- University of cincinnati
-- Cincinnati
----------------------------------------------------------------------
-- File          : test115.ams
-- Author(s)     : Geeta Balarkishnan(gbalakri@ececs.uc.edu)
-- Created       : May 2001
----------------------------------------------------------------------
-- Description :
----------------------------------------------------------------------
-- the test checks for the correctness of the interface declaration:
-- quantity : in| out. 
-- ref LRM 4.3.2
---------------------------------------------------------------------
PACKAGE electricalSystem IS
    subtype voltage is real;
    subtype current is real;
    NATURE electrical is voltage across current THROUGH ground reference;
    FUNCTION SIN(X : real) RETURN real;
    FUNCTION EXP(X : real) RETURN real;
    FUNCTION SQRT(X : real) RETURN real;
    FUNCTION POW(X,Y : real) RETURN real;
END PACKAGE electricalSystem;

use work.electricalSystem.all;
entity test is
    port(quantity vout:out electrical);
end entity test;

architecture atest of test is
  terminal t1,t2: electrical;

  quantity vin across iin through t1;
  quantity vr across ir through t1 to t2;
  quantity vout across t1 to t2;

begin

  e1: vin==  5.0 * sin(2.0 * 3.1415 * 10000000.0 * real(time'pos(now)) *1.0e-15);
  e2: vr==ir*1.0;
  e3: vout== vr;

end architecture;