RationalLiteralExpression.h

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#pragma once
 
#include "storm/adapters/RationalNumberAdapter.h"
#include "storm/storage/expressions/BaseExpression.h"
 
namespace storm {
namespace expressions {
class RationalLiteralExpression : public BaseExpression {
   public:
    RationalLiteralExpression(ExpressionManager const& manager, double value);
 
    RationalLiteralExpression(ExpressionManager const& manager, std::string const& valueAsString);
 
    RationalLiteralExpression(ExpressionManager const& manager, storm::RationalNumber const& value);
 
    // Instantiate constructors and assignments with their default implementations.
    RationalLiteralExpression(RationalLiteralExpression const& other) = default;
    RationalLiteralExpression& operator=(RationalLiteralExpression const& other) = delete;
    RationalLiteralExpression(RationalLiteralExpression&&) = default;
    RationalLiteralExpression& operator=(RationalLiteralExpression&&) = delete;
 
    virtual ~RationalLiteralExpression() = default;
 
    // Override base class methods.
    virtual double evaluateAsDouble(Valuation const* valuation = nullptr) const override;
    virtual bool isLiteral() const override;
    virtual void gatherVariables(std::set<storm::expressions::Variable>& variables) const override;
    virtual std::shared_ptr<BaseExpression const> simplify() const override;
    virtual boost::any accept(ExpressionVisitor& visitor, boost::any const& data) const override;
    virtual bool isRationalLiteralExpression() const override;
 
    double getValueAsDouble() const;
 
    storm::RationalNumber getValue() const;
 
   protected:
    // Override base class method.
    virtual void printToStream(std::ostream& stream) const override;
 
   private:
    // The value of the literal.
    storm::RationalNumber value;
};
}  // namespace expressions
}  // namespace storm