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/****************************************************************************** |
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* Top contributors (to current version): |
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* Gereon Kremer |
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* |
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* This file is part of the cvc5 project. |
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* |
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* Copyright (c) 2009-2021 by the authors listed in the file AUTHORS |
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* in the top-level source directory and their institutional affiliations. |
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* All rights reserved. See the file COPYING in the top-level source |
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* directory for licensing information. |
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* **************************************************************************** |
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* |
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* Implements a container for CAD constraints. |
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*/ |
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#include "cvc5_private.h" |
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#ifndef CVC5__THEORY__ARITH__NL__CAD__CONSTRAINTS_H |
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#define CVC5__THEORY__ARITH__NL__CAD__CONSTRAINTS_H |
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#ifdef CVC5_POLY_IMP |
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#include <poly/polyxx.h> |
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#include <tuple> |
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#include <vector> |
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#include "theory/arith/nl/poly_conversion.h" |
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namespace cvc5 { |
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namespace theory { |
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namespace arith { |
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namespace nl { |
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namespace cad { |
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class Constraints |
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{ |
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public: |
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/** Type alias for a list of constraints. */ |
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using Constraint = std::tuple<poly::Polynomial, poly::SignCondition, Node>; |
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using ConstraintVector = std::vector<Constraint>; |
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VariableMapper& varMapper() { return d_varMapper; } |
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/** |
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* Add a constraint (represented by a polynomial and a sign condition) to the |
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* list of constraints. |
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*/ |
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void addConstraint(const poly::Polynomial& lhs, |
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poly::SignCondition sc, |
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Node n); |
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/** |
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* Add a constraints (represented by a node) to the list of constraints. |
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* The given node can either be a negation (NOT) or a suitable relation symbol |
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* as checked by is_suitable_relation(). |
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*/ |
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void addConstraint(Node n); |
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/** |
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* Gives the list of added constraints. |
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*/ |
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const ConstraintVector& getConstraints() const; |
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/** |
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* Remove all constraints. |
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*/ |
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void reset(); |
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private: |
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/** |
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* A list of constraints, each comprised of a polynomial and a sign |
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* condition. |
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*/ |
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ConstraintVector d_constraints; |
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/** |
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* A mapping from cvc5 variables to poly variables. |
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*/ |
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VariableMapper d_varMapper; |
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void sortConstraints(); |
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}; |
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} // namespace cad |
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} // namespace nl |
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} // namespace arith |
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} // namespace theory |
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} // namespace cvc5 |
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#endif |
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#endif |