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+
+-- Copyright (C) 1996 Morgan Kaufmann Publishers, Inc
+
+-- This file is part of VESTs (Vhdl tESTs).
+
+-- VESTs is free software; you can redistribute it and/or modify it
+-- under the terms of the GNU General Public License as published by the
+-- Free Software Foundation; either version 2 of the License, or (at
+-- your option) any later version.
+
+-- VESTs is distributed in the hope that it will be useful, but WITHOUT
+-- ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+-- FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+-- for more details.
+
+-- 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: ch_03_fg_03_08.vhd,v 1.3 2001-10-26 16:29:33 paw Exp $
+-- $Revision: 1.3 $
+--
+-- ---------------------------------------------------------------------
+
+entity max3 is
+ port ( a, b, c : in integer; z : out integer );
+end entity max3;
+
+architecture check_error of max3 is
+begin
+
+ maximizer : process (a, b, c)
+ variable result : integer;
+ begin
+ if a > b then
+ if a > c then
+ result := a;
+ else
+ result := a; -- Oops! Should be: result := c;
+ end if;
+ elsif b > c then
+ result := b;
+ else
+ result := c;
+ end if;
+ assert result >= a and result >= b and result >= c
+ report "inconsistent result for maximum"
+ severity failure;
+ z <= result;
+ end process maximizer;
+
+end architecture check_error;