iverilog/vvp/arith.h

57 lines
1.7 KiB
C
Raw Normal View History

2001-06-05 05:05:41 +02:00
#ifndef __arith_H
#define __arith_H
/*
* Copyright (c) 2001 Stephen Williams (steve@icarus.com)
*
* This source code is free software; you can redistribute it
* and/or modify it in source code form 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#if !defined(WINNT)
#ident "$Id: arith.h,v 1.1 2001/06/05 03:05:41 steve Exp $"
#endif
# include "functor.h"
/*
* This class is a mode-42 object for arithmetic sum. Inputs that come
* in cause the 4-input summation to be calculated, and output
* functors that are affected cause propagations.
*/
class vvp_arith_sum : public vvp_fobj_s {
public:
explicit vvp_arith_sum(vvp_ipoint_t b, unsigned wid);
void set(vvp_ipoint_t i, functor_t f, bool push);
private:
vvp_ipoint_t base_;
unsigned wid_;
void output_x_(bool push);
private: // not implemented
vvp_arith_sum(const vvp_arith_sum&);
vvp_arith_sum& operator= (const vvp_arith_sum&);
};
/*
* $Log: arith.h,v $
* Revision 1.1 2001/06/05 03:05:41 steve
* Add structural addition.
*
*/
#endif