44 lines
1.4 KiB
Coq
44 lines
1.4 KiB
Coq
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/*
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* Copyright (c) 1999 Daniel Nelsen (dhn@qedinc.com)
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*
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* This source code is free software; you can redistribute it
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* and/or modify it in source code form under the terms of the GNU
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* General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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// SDW - Modified to say FAILED - or PASSED
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module main;
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reg [7:0] a ;
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reg x, y ;
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reg error;
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initial
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begin
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error = 0;
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for (a = 0; a < 32; a=a+1 )
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begin
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// ternary operator is right associative
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x = a[0] ? a[1] : a[2] ? a[3] : a[4] ;
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y = a[0] ? a[1] : ( a[2] ? a[3] : a[4] );
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if ( x != y )
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begin
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$display( "FAILED a=%b, x=%b != y=%b", a[4:0], x, y );
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error =1;
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end
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end
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if(error == 0)
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$display("PASSED");
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end
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endmodule
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