-- 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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-- By using or copying this Software, Licensee agrees to abide by the
-- intellectual property laws, and all other applicable laws of the U.S.,
-- and the terms of this license.

-- 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: test121.ams,v 1.1 2002-03-27 22:11:19 paw Exp $
-- $Revision: 1.1 $
--
-- ---------------------------------------------------------------------

----------------------------------------------------------------------
-- SIERRA REGRESSION TESTING MODEL
-- Develooped at:
-- Distriburted Processing Laboratory
-- University of Cincinnati
-- Cincinnati
----------------------------------------------------------------------
-- File          : test3.ams
-- Author(s)     : Geeta Balarkishnan(gbalakri@ececs.uc.edu)
-- Created       : May 2001
----------------------------------------------------------------------
-- Description :
----------------------------------------------------------------------
-- this is to check the quantity: q'dot in the lhs and rhs of the 
-- simultaneous statements
---------------------------------------------------------------------
PACKAGE electricalSystem is 
    NATURE electrical IS real ACROSS real 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
end entity;

architecture atest of test is
	quantity x11: real;
	constant x1:real:=2.0;
	constant x2:real:=1.0;
	constant m1 : real:=1.0;
	quantity f : real;	
	quantity dx1 : real;
 
begin
e1:	f == 10.0* sin(2.0 * 3.141592 *10000.0 * real(time'pos(now))*1.0e-12);
e2:	x11 == f*(x1-x2)/m1;
e3:	dx1 == f'dot;

--	x1'dot == f*(x1-x2)/m1;
--	x2'dot == f*(x1-x2)/m2;
--	xs == (m1*x1+m2*x2)/(m1+m2);
--	m3 == m1*x1'dot+ m2*x2'dot;
end atest;