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/******************************************************************************
* Top contributors (to current version):
* Andrew Reynolds
*
* This file is part of the cvc5 project.
*
* Copyright (c) 2009-2021 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.
* ****************************************************************************
*
* The cardinality constraint operator
*/
#include "expr/cardinality_constraint.h"
#include <iostream>
#include "expr/type_node.h"
namespace cvc5 {
CardinalityConstraint::CardinalityConstraint(const TypeNode& type,
const Integer& ub)
: d_type(new TypeNode(type)), d_ubound(ub)
{
AlwaysAssert(type.isSort())
<< "Unexpected cardinality constraints for " << type;
}
CardinalityConstraint::CardinalityConstraint(const CardinalityConstraint& other)
: d_type(new TypeNode(other.getType())), d_ubound(other.getUpperBound())
{
}
CardinalityConstraint::~CardinalityConstraint() {}
const TypeNode& CardinalityConstraint::getType() const { return *d_type; }
const Integer& CardinalityConstraint::getUpperBound() const { return d_ubound; }
bool CardinalityConstraint::operator==(const CardinalityConstraint& cc) const
{
return getType() == cc.getType() && getUpperBound() == cc.getUpperBound();
}
bool CardinalityConstraint::operator!=(const CardinalityConstraint& cc) const
{
return !(*this == cc);
}
std::ostream& operator<<(std::ostream& out, const CardinalityConstraint& cc)
{
return out << "fmf.card(" << cc.getType() << ", " << cc.getUpperBound()
<< ')';
}
size_t CardinalityConstraintHashFunction::operator()(
const CardinalityConstraint& cc) const
{
return std::hash<TypeNode>()(cc.getType())
* IntegerHashFunction()(cc.getUpperBound());
}
CombinedCardinalityConstraint::CombinedCardinalityConstraint(const Integer& ub)
: d_ubound(ub)
{
}
CombinedCardinalityConstraint::CombinedCardinalityConstraint(
const CombinedCardinalityConstraint& other)
: d_ubound(other.getUpperBound())
{
}
CombinedCardinalityConstraint::~CombinedCardinalityConstraint() {}
const Integer& CombinedCardinalityConstraint::getUpperBound() const
{
return d_ubound;
}
bool CombinedCardinalityConstraint::operator==(
const CombinedCardinalityConstraint& cc) const
{
return getUpperBound() == cc.getUpperBound();
}
bool CombinedCardinalityConstraint::operator!=(
const CombinedCardinalityConstraint& cc) const
{
return !(*this == cc);
}
std::ostream& operator<<(std::ostream& out,
const CombinedCardinalityConstraint& cc)
{
return out << "fmf.card(" << cc.getUpperBound() << ')';
}
size_t CombinedCardinalityConstraintHashFunction::operator()(
const CombinedCardinalityConstraint& cc) const
{
return cc.getUpperBound().hash();
}
} // namespace cvc5
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