mirror of https://github.com/YosysHQ/yosys.git
72 lines
2.0 KiB
C++
72 lines
2.0 KiB
C++
/*
|
|
* ezSAT -- A simple and easy to use CNF generator for SAT solvers
|
|
*
|
|
* Copyright (C) 2013 Claire Xenia Wolf <claire@yosyshq.com>
|
|
*
|
|
* Permission to use, copy, modify, and/or distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*
|
|
*/
|
|
|
|
#ifndef EZMINISAT_H
|
|
#define EZMINISAT_H
|
|
|
|
#define EZMINISAT_SIMPSOLVER 1
|
|
#define EZMINISAT_VERBOSITY 0
|
|
#define EZMINISAT_INCREMENTAL 1
|
|
|
|
#include "ezsat.h"
|
|
#include <time.h>
|
|
|
|
// minisat is using limit macros and format macros in their headers that
|
|
// can be the source of some troubles when used from c++11. therefore we
|
|
// don't force ezSAT users to use minisat headers..
|
|
namespace Minisat {
|
|
class Solver;
|
|
class SimpSolver;
|
|
}
|
|
|
|
class ezMiniSAT : public ezSAT
|
|
{
|
|
private:
|
|
#if EZMINISAT_SIMPSOLVER
|
|
typedef Minisat::SimpSolver Solver;
|
|
#else
|
|
typedef Minisat::Solver Solver;
|
|
#endif
|
|
Solver *minisatSolver;
|
|
std::vector<int> minisatVars;
|
|
bool foundContradiction;
|
|
|
|
#if EZMINISAT_SIMPSOLVER && EZMINISAT_INCREMENTAL
|
|
std::set<int> cnfFrozenVars;
|
|
#endif
|
|
|
|
#ifndef _WIN32
|
|
static ezMiniSAT *alarmHandlerThis;
|
|
static clock_t alarmHandlerTimeout;
|
|
static void alarmHandler(int);
|
|
#endif
|
|
|
|
public:
|
|
ezMiniSAT();
|
|
virtual ~ezMiniSAT();
|
|
virtual void clear();
|
|
#if EZMINISAT_SIMPSOLVER && EZMINISAT_INCREMENTAL
|
|
virtual void freeze(int id);
|
|
virtual bool eliminated(int idx);
|
|
#endif
|
|
virtual bool solver(const std::vector<int> &modelExpressions, std::vector<bool> &modelValues, const std::vector<int> &assumptions);
|
|
};
|
|
|
|
#endif
|