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#ifndef STORM_STORAGE_EXPRESSIONS_LINEARITYCHECKVISITOR_H_
#define STORM_STORAGE_EXPRESSIONS_LINEARITYCHECKVISITOR_H_
#include "storm/storage/expressions/Expression.h"
#include "storm/storage/expressions/ExpressionVisitor.h"
namespace storm {
namespace expressions {
class LinearityCheckVisitor : public ExpressionVisitor {
public:
/*!
* Creates a linearity check visitor.
*/
LinearityCheckVisitor();
/*!
* Checks that the given expression is linear.
*
* @param expression The expression to check for linearity.
* @param booleanIsLinear A flag indicating whether boolean components are considered linear.
*/
bool check(Expression const& expression, bool booleanIsLinear = false);
virtual boost::any visit(IfThenElseExpression const& expression, boost::any const& data) override;
virtual boost::any visit(BinaryBooleanFunctionExpression const& expression, boost::any const& data) override;
virtual boost::any visit(BinaryNumericalFunctionExpression const& expression, boost::any const& data) override;
virtual boost::any visit(BinaryRelationExpression const& expression, boost::any const& data) override;
virtual boost::any visit(VariableExpression const& expression, boost::any const& data) override;
virtual boost::any visit(UnaryBooleanFunctionExpression const& expression, boost::any const& data) override;
virtual boost::any visit(UnaryNumericalFunctionExpression const& expression, boost::any const& data) override;
virtual boost::any visit(BooleanLiteralExpression const& expression, boost::any const& data) override;
virtual boost::any visit(IntegerLiteralExpression const& expression, boost::any const& data) override;
virtual boost::any visit(RationalLiteralExpression const& expression, boost::any const& data) override;
private:
enum class LinearityStatus { NonLinear, LinearContainsVariables, LinearWithoutVariables };
};
}
}
#endif /* STORM_STORAGE_EXPRESSIONS_LINEARITYCHECKVISITOR_H_ */