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/********************* */
/*! \file theory_arith.h
** \verbatim
** Original author: Morgan Deters
** Major contributors: Tim King
** Minor contributors (to current version): Andrew Reynolds, Dejan Jovanovic
** This file is part of the CVC4 project.
** Copyright (c) 2009-2013 New York University and The University of Iowa
** See the file COPYING in the top-level source directory for licensing
** information.\endverbatim
**
** \brief Arithmetic theory.
** Arithmetic theory.
**/
#include "cvc4_private.h"
#pragma once
#include "theory/theory.h"
#include "expr/node.h"
#include "theory/arith/theory_arith_private_forward.h"
namespace CVC4 {
namespace theory {
namespace quantifiers {
class InstStrategySimplex;
}
namespace arith {
/**
* Implementation of QF_LRA.
* Based upon:
* http://research.microsoft.com/en-us/um/people/leonardo/cav06.pdf
*/
class TheoryArith : public Theory {
private:
friend class quantifiers::InstStrategySimplex;
friend class TheoryArithPrivate;
TheoryArithPrivate* d_internal;
KEEP_STATISTIC(TimerStat, d_ppRewriteTimer, "theory::arith::ppRewriteTimer");
public:
TheoryArith(context::Context* c, context::UserContext* u, OutputChannel& out, Valuation valuation, const LogicInfo& logicInfo, QuantifiersEngine* qe);
virtual ~TheoryArith();
/**
* Does non-context dependent setup for a node connected to a theory.
*/
void preRegisterTerm(TNode n);
void setMasterEqualityEngine(eq::EqualityEngine* eq);
void check(Effort e);
void propagate(Effort e);
Node explain(TNode n);
void collectModelInfo( TheoryModel* m, bool fullModel );
void shutdown(){ }
void presolve();
void notifyRestart();
PPAssertStatus ppAssert(TNode in, SubstitutionMap& outSubstitutions);
Node ppRewrite(TNode atom);
void ppStaticLearn(TNode in, NodeBuilder<>& learned);
std::string identify() const { return std::string("TheoryArith"); }
EqualityStatus getEqualityStatus(TNode a, TNode b);
void addSharedTerm(TNode n);
Node getModelValue(TNode var);
};/* class TheoryArith */
}/* CVC4::theory::arith namespace */
}/* CVC4::theory namespace */
}/* CVC4 namespace */
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