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/********************* */
/*! \file fp_converter.h
** \verbatim
** Top contributors (to current version):
** Martin Brain
** This file is part of the CVC4 project.
** Copyright (c) 2009-2017 by the authors listed in the file AUTHORS
** in the top-level source directory) and their institutional affiliations.
** All rights reserved. See the file COPYING in the top-level source
** directory for licensing information.\endverbatim
**
** \brief Converts floating-point nodes to bit-vector expressions.
**
** Uses the symfpu library to convert from floating-point operations to
** bit-vectors and propositions allowing the theory to be solved by
** 'bit-blasting'.
**/
#include "cvc4_private.h"
#ifndef __CVC4__THEORY__FP__FP_CONVERTER_H
#define __CVC4__THEORY__FP__FP_CONVERTER_H
#include "context/cdhashmap.h"
#include "context/cdlist.h"
#include "theory/valuation.h"
#include "util/floatingpoint.h"
#include "util/hash.h"
namespace CVC4 {
namespace theory {
namespace fp {
typedef PairHashFunction<TypeNode, TypeNode, TypeNodeHashFunction,
TypeNodeHashFunction>
PairTypeNodeHashFunction;
class FpConverter {
public:
context::CDList<Node> d_additionalAssertions;
FpConverter(context::UserContext *);
/** Adds a node to the conversion, returns the converted node */
Node convert(TNode);
/** Gives the node representing the value of a given variable */
Node getValue(Valuation &, TNode);
};
} // namespace fp
} // namespace theory
} // namespace CVC4
#endif /* __CVC4__THEORY__FP__THEORY_FP_H */
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