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60 lines
2.8 KiB
60 lines
2.8 KiB
#ifndef STORM_STORAGE_EXPRESSIONS_UNARYNUMERICALFUNCTIONEXPRESSION_H_
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#define STORM_STORAGE_EXPRESSIONS_UNARYNUMERICALFUNCTIONEXPRESSION_H_
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#include "src/storage/expressions/UnaryExpression.h"
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#include "src/utility/OsDetection.h"
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namespace storm {
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namespace expressions {
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class UnaryNumericalFunctionExpression : public UnaryExpression {
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public:
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/*!
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* An enum type specifying the different functions applicable.
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*/
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enum class OperatorType {Minus, Floor, Ceil};
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/*!
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* Creates a unary numerical function expression with the given return type, operand and operator.
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*
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* @param manager The manager responsible for this expression.
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* @param type The return type of the expression.
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* @param operand The operand of the expression.
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* @param operatorType The operator of the expression.
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*/
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UnaryNumericalFunctionExpression(ExpressionManager const& manager, Type const& type, std::shared_ptr<BaseExpression const> const& operand, OperatorType operatorType);
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// Instantiate constructors and assignments with their default implementations.
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UnaryNumericalFunctionExpression(UnaryNumericalFunctionExpression const& other) = default;
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UnaryNumericalFunctionExpression& operator=(UnaryNumericalFunctionExpression const& other) = delete;
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#ifndef WINDOWS
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UnaryNumericalFunctionExpression(UnaryNumericalFunctionExpression&&) = default;
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UnaryNumericalFunctionExpression& operator=(UnaryNumericalFunctionExpression&&) = delete;
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#endif
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virtual ~UnaryNumericalFunctionExpression() = default;
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// Override base class methods.
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virtual storm::expressions::OperatorType getOperator() const override;
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virtual int_fast64_t evaluateAsInt(Valuation const* valuation = nullptr) const override;
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virtual double evaluateAsDouble(Valuation const* valuation = nullptr) const override;
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virtual std::shared_ptr<BaseExpression const> simplify() const override;
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virtual boost::any accept(ExpressionVisitor& visitor) const override;
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/*!
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* Retrieves the operator associated with this expression.
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*
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* @return The operator associated with this expression.
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*/
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OperatorType getOperatorType() const;
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protected:
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// Override base class method.
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virtual void printToStream(std::ostream& stream) const override;
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private:
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// The operator of this expression.
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OperatorType operatorType;
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};
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}
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}
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#endif /* STORM_STORAGE_EXPRESSIONS_UNARYNUMERICALFUNCTIONEXPRESSION_H_ */
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