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diff --git a/testsuite/vests/vhdl-93/billowitch/compliant/tc2359.vhd b/testsuite/vests/vhdl-93/billowitch/compliant/tc2359.vhd
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index 000000000..5d92f5b4a
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+++ b/testsuite/vests/vhdl-93/billowitch/compliant/tc2359.vhd
@@ -0,0 +1,76 @@
+
+-- Copyright (C) 2001 Bill Billowitch.
+
+-- Some of the work to develop this test suite was done with Air Force
+-- support.  The Air Force and Bill Billowitch assume no
+-- responsibilities for this software.
+
+-- 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: tc2359.vhd,v 1.2 2001-10-26 16:29:47 paw Exp $
+-- $Revision: 1.2 $
+--
+-- ---------------------------------------------------------------------
+
+ENTITY c07s02b07x00p06n01i02359ent IS
+END c07s02b07x00p06n01i02359ent;
+
+ARCHITECTURE c07s02b07x00p06n01i02359arch OF c07s02b07x00p06n01i02359ent IS
+
+BEGIN
+  TESTING: PROCESS
+    variable r1,r2,r3,r4,r5,r6   : real;
+    variable r7,r8,r9,r10      : real;
+    variable i1         : integer;
+  BEGIN
+
+    r2 := 2.0;
+    r3 := 10.0;
+    i1 := 10;
+    r1 := 2.0 ** 10;
+    r4 := r2 ** i1;
+    r5 := (-2.0)**10;
+    r6 := 0.0 ** i1;
+    r7 := 0.0 ** 5;
+    r8 := 2.0;
+    r9 := r8 ** 0;
+    r10:= r8 ** (-0);
+    wait for 5 ns;
+    assert NOT(    ( r1 = r4 )   and
+                   ( r1 = 1024.0)   and
+                   ( r1 = r5 )   and
+                   ( r6 = 0.0)   and
+                   ( r6 = r7 )   and
+                   ( r9 = 1.0 )   and
+                   ( r10= r9 )   )
+      report "***PASSED TEST: c07s02b07x00p06n01i02359"
+      severity NOTE;
+    assert (    ( r1 = r4 )   and
+                ( r1 = 1024.0)   and
+                ( r1 = r5 )   and
+                ( r6 = 0.0)   and
+                ( r6 = r7 )   and
+                ( r9 = 1.0 )   and
+                ( r10= r9 )   )
+      report "***FAILED TEST: c07s02b07x00p06n01i02359 - Unary operator exponentiation test failed."
+      severity ERROR;
+    wait;
+  END PROCESS TESTING;
+
+END c07s02b07x00p06n01i02359arch;