row_information.h

由matlab开发的hybrid系统的描述语言

/*
	HYSDEL
	Copyright (C) 1999-2002  Fabio D. Torrisi

	This file is part of HYSDEL.
    
	HYSDEL 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.

	HYSDEL 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 library; if not, write to the Free Software
	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

	CONTACT INFORMATION
	===================
	Fabio D. Torrisi
	ETH Zentrum
	Physikstrasse. 3 ETL,
	CH-8032 Zurich
	Switzerland
	mailto:[e-mail] (preferred)
*/

#ifndef D_ROW_INFORMATION
#define D_ROW_INFORMATION

class Item;
class MLD_representation;
class Var_symbol;

#include <string>
#ifndef STD_NS
#define STD_NS
using namespace std;

#endif

class Row_information {
public:
	Row_information(const Item * i, int ind) {
		item = i;
		subindex = ind;
		is_ineq=false;
	}

	~Row_information();

	/** prefix should look like "sysname.upd[i].info" */
	string to_matlab(string prefix) const;

	void set_mld(const MLD_representation *mld) {this->mld=mld;}
	void set_mld(const MLD_representation *mld, int ineq);
	void set_mld(const MLD_representation *mld, const Var_symbol *lhs);
private:

	/** the item this row is constructed from */
	const Item * item;

	/** index into construced_from::subgroup */
	int subindex;


	/** is this row an inequality (or equality)? */
	bool is_ineq;

	union {
	  int ineq;  // valid if is_ineq
	  const Var_symbol *lhs; // valid if !is_ineq
	} mld_rowid;

	const MLD_representation *mld;
};

#endif // D_ROW_INFORMATION