NuSMV/code/nusmv/core/utils/Triple.h

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/* ---------------------------------------------------------------------------


  This file is part of the ``utils'' package of NuSMV version 2. 
  Copyright (C) 2011 by FBK-irst. 

  NuSMV version 2 is free software; you can redistribute it and/or 
  modify it under the terms of the GNU Lesser General Public 
  License as published by the Free Software Foundation; either 
  version 2 of the License, or (at your option) any later version.

  NuSMV version 2 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 
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser 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.

  For more information on NuSMV see <http://nusmv.fbk.eu>
  or email to <nusmv-users@fbk.eu>.
  Please report bugs to <nusmv-users@fbk.eu>.

  To contact the NuSMV development board, email to <nusmv@fbk.eu>. 

-----------------------------------------------------------------------------*/

#ifndef __NUSMV_CORE_UTILS_TRIPLE_H__
#define __NUSMV_CORE_UTILS_TRIPLE_H__


#include "nusmv/core/utils/utils.h"

typedef struct Triple_TAG*  Triple_ptr;


typedef struct Triple_TAG
{
  void* first;
  void* second;
  void* third;
  boolean frozen;
} Triple;

#define TRIPLE(self) \
         ((Triple_ptr) self)

#define TRIPLE_CHECK_INSTANCE(self) \
         (nusmv_assert(TRIPLE(self) != TRIPLE(NULL)))



/*---------------------------------------------------------------------------*/
/* Function prototypes                                                       */
/*---------------------------------------------------------------------------*/

Triple_ptr Triple_create(void* first,
                                void* second,
                                void* third);

void Triple_init(Triple_ptr self, void* first,
                        void* second, void* third);

void Triple_freeze(Triple_ptr self);

boolean Triple_is_freezed(const Triple_ptr self);

void* Triple_get_first(const Triple_ptr self);

void* Triple_get_second(const Triple_ptr self);

void* Triple_get_third(const Triple_ptr self);

void Triple_set_first(Triple_ptr self, void* first);

void Triple_set_second(Triple_ptr self, void* second);

void Triple_set_third(Triple_ptr self, void* third);

void Triple_set_values(Triple_ptr self, void* first,
                              void* second, void* third);

void Triple_destroy(Triple_ptr self);

int Triple_compare(const Triple_ptr a,
                          const Triple_ptr b);

unsigned long Triple_hash(const Triple_ptr self, int size);

#endif /* __NUSMV_CORE_UTILS_TRIPLE_H__ */

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