#include <IfThenElseExpression.h>

Inheritance diagram for storm::expressions::IfThenElseExpression:

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Collaboration diagram for storm::expressions::IfThenElseExpression:

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Public Member Functions
	IfThenElseExpression (ExpressionManager const &manager, Type const &type, std::shared_ptr< BaseExpression const > const &condition, std::shared_ptr< BaseExpression const > const &thenExpression, std::shared_ptr< BaseExpression const > const &elseExpression)
	Creates an if-then-else expression with the given return type, condition and operands.

	IfThenElseExpression (IfThenElseExpression const &other)=default

IfThenElseExpression &	operator= (IfThenElseExpression const &other)=delete

	IfThenElseExpression (IfThenElseExpression &&)=default

IfThenElseExpression &	operator= (IfThenElseExpression &&)=delete

virtual	~IfThenElseExpression ()=default

virtual std::shared_ptr< BaseExpression const >	getOperand (uint_fast64_t operandIndex) const override
	Retrieves the given operand from the expression.

virtual OperatorType	getOperator () const override
	Retrieves the operator of a function application.

virtual bool	isFunctionApplication () const override
	Checks if the expression is a function application (of any sort).

virtual bool	containsVariables () const override
	Retrieves whether the expression contains a variable.

virtual uint_fast64_t	getArity () const override
	Returns the arity of the expression.

virtual bool	evaluateAsBool (Valuation const *valuation=nullptr) const override
	Evaluates the expression under the valuation of unknowns (variables and constants) given by the valuation and returns the resulting boolean value.

virtual int_fast64_t	evaluateAsInt (Valuation const *valuation=nullptr) const override
	Evaluates the expression under the valuation of unknowns (variables and constants) given by the valuation and returns the resulting integer value.

virtual double	evaluateAsDouble (Valuation const *valuation=nullptr) const override
	Evaluates the expression under the valuation of unknowns (variables and constants) given by the valuation and returns the resulting double value.

virtual void	gatherVariables (std::set< storm::expressions::Variable > &variables) const override
	Retrieves the set of all variables that appear in the expression.

virtual std::shared_ptr< BaseExpression const >	simplify () const override
	Simplifies the expression according to some simple rules.

virtual boost::any	accept (ExpressionVisitor &visitor, boost::any const &data) const override
	Accepts the given visitor by calling its visit method.

virtual bool	isIfThenElseExpression () const override

std::shared_ptr< BaseExpression const >	getCondition () const
	Retrieves the condition expression of the if-then-else expression.

std::shared_ptr< BaseExpression const >	getThenExpression () const
	Retrieves the then expression of the if-then-else expression.

std::shared_ptr< BaseExpression const >	getElseExpression () const
	Retrieves the else expression of the if-then-else expression.

Public Member Functions inherited from storm::expressions::BaseExpression
	BaseExpression (ExpressionManager const &manager, Type const &type)
	Constructs a base expression with the given return type.

	BaseExpression (BaseExpression const &)=default

BaseExpression &	operator= (BaseExpression const &)=delete

	BaseExpression (BaseExpression &&)=default

BaseExpression &	operator= (BaseExpression &&)=delete

virtual	~BaseExpression ()=default

Expression	toExpression () const
	Converts the base expression to a proper expression.

virtual storm::RationalNumber	evaluateAsRational () const
	Evaluates the expression and returns the resulting rational number.

virtual std::string const &	getIdentifier () const
	Retrieves the identifier associated with this expression.

virtual bool	isLiteral () const
	Retrieves whether the expression is a literal.

virtual bool	isVariable () const
	Retrieves whether the expression is a variable.

virtual bool	isTrue () const
	Checks if the expression is equal to the boolean literal true.

virtual bool	isFalse () const
	Checks if the expression is equal to the boolean literal false.

std::shared_ptr< BaseExpression const >	reduceNesting () const
	Tries to flatten the syntax tree of the expression, e.g., 1 + (2 + (3 + 4)) becomes (1 + 2) + (3 + 4)

bool	hasNumericalType () const
	Retrieves whether the expression has a numerical type, i.e., integer or double.

bool	hasIntegerType () const
	Retrieves whether the expression has an integer type.

bool	hasBitVectorType () const
	Retrieves whether the expression has a bitvector type.

bool	hasBooleanType () const
	Retrieves whether the expression has a boolean type.

bool	hasRationalType () const
	Retrieves whether the expression has a rational return type.

std::shared_ptr< BaseExpression const >	getSharedPointer () const
	Retrieves a shared pointer to this expression.

ExpressionManager const &	getManager () const
	Retrieves the manager responsible for this expression.

Type const &	getType () const
	Retrieves the type of the expression.

IfThenElseExpression const &	asIfThenElseExpression () const

virtual bool	isBinaryBooleanFunctionExpression () const

BinaryBooleanFunctionExpression const &	asBinaryBooleanFunctionExpression () const

virtual bool	isBinaryNumericalFunctionExpression () const

BinaryNumericalFunctionExpression const &	asBinaryNumericalFunctionExpression () const

virtual bool	isBinaryRelationExpression () const

BinaryRelationExpression const &	asBinaryRelationExpression () const

virtual bool	isBooleanLiteralExpression () const

BooleanLiteralExpression const &	asBooleanLiteralExpression () const

virtual bool	isIntegerLiteralExpression () const

IntegerLiteralExpression const &	asIntegerLiteralExpression () const

virtual bool	isRationalLiteralExpression () const

RationalLiteralExpression const &	asRationalLiteralExpression () const

virtual bool	isUnaryBooleanFunctionExpression () const

UnaryBooleanFunctionExpression const &	asUnaryBooleanFunctionExpression () const

virtual bool	isUnaryNumericalFunctionExpression () const

UnaryNumericalFunctionExpression const &	asUnaryNumericalFunctionExpression () const

virtual bool	isVariableExpression () const

VariableExpression const &	asVariableExpression () const

virtual bool	isPredicateExpression () const

PredicateExpression const &	asPredicateExpression () const

Protected Member Functions
virtual void	printToStream (std::ostream &stream) const override
	Prints the expression to the given stream.

Detailed Description

Definition at line 9 of file IfThenElseExpression.h.

Constructor & Destructor Documentation

◆ IfThenElseExpression() [1/3]

storm::expressions::IfThenElseExpression::IfThenElseExpression	(	ExpressionManager const &	manager,
		Type const &	type,
		std::shared_ptr< BaseExpression const > const &	condition,
		std::shared_ptr< BaseExpression const > const &	thenExpression,
		std::shared_ptr< BaseExpression const > const &	elseExpression
	)

Creates an if-then-else expression with the given return type, condition and operands.

Parameters

manager	The manager responsible for this expression.
type	The return type of the expression.
thenExpression	The expression evaluated if the condition evaluates true.
elseExpression	The expression evaluated if the condition evaluates false.

Definition at line 10 of file IfThenElseExpression.cpp.

◆ IfThenElseExpression() [2/3]

storm::expressions::IfThenElseExpression::IfThenElseExpression ( IfThenElseExpression const & other )

default

◆ IfThenElseExpression() [3/3]

storm::expressions::IfThenElseExpression::IfThenElseExpression ( IfThenElseExpression && )

default

◆ ~IfThenElseExpression()

virtual storm::expressions::IfThenElseExpression::~IfThenElseExpression ( )

virtualdefault

Member Function Documentation

◆ accept()

boost::any storm::expressions::IfThenElseExpression::accept	(	ExpressionVisitor &	visitor,
		boost::any const &	data
	)		const

overridevirtual

Accepts the given visitor by calling its visit method.

Parameters

visitor The visitor that is to be accepted.

Implements storm::expressions::BaseExpression.

Definition at line 97 of file IfThenElseExpression.cpp.

◆ containsVariables()

bool storm::expressions::IfThenElseExpression::containsVariables ( ) const

overridevirtual

Retrieves whether the expression contains a variable.

Returns: True iff the expression contains a variable.

Reimplemented from storm::expressions::BaseExpression.

Definition at line 36 of file IfThenElseExpression.cpp.

◆ evaluateAsBool()

bool storm::expressions::IfThenElseExpression::evaluateAsBool ( Valuation const * valuation = nullptr ) const

overridevirtual

Evaluates the expression under the valuation of unknowns (variables and constants) given by the valuation and returns the resulting boolean value.

If the return type of the expression is not a boolean an exception is thrown.

Parameters

valuation The valuation of unknowns under which to evaluate the expression.

Returns: The boolean value of the expression under the given valuation.

Reimplemented from storm::expressions::BaseExpression.

Definition at line 44 of file IfThenElseExpression.cpp.

◆ evaluateAsDouble()

double storm::expressions::IfThenElseExpression::evaluateAsDouble ( Valuation const * valuation = nullptr ) const

overridevirtual

Evaluates the expression under the valuation of unknowns (variables and constants) given by the valuation and returns the resulting double value.

If the return type of the expression is not a double an exception is thrown.

Parameters

valuation The valuation of unknowns under which to evaluate the expression.

Returns: The double value of the expression under the given valuation.

Reimplemented from storm::expressions::BaseExpression.

Definition at line 62 of file IfThenElseExpression.cpp.

◆ evaluateAsInt()

int_fast64_t storm::expressions::IfThenElseExpression::evaluateAsInt ( Valuation const * valuation = nullptr ) const

overridevirtual

Evaluates the expression under the valuation of unknowns (variables and constants) given by the valuation and returns the resulting integer value.

If the return type of the expression is not an integer an exception is thrown.

Parameters

valuation The valuation of unknowns under which to evaluate the expression.

Returns: The integer value of the expression under the given valuation.

Reimplemented from storm::expressions::BaseExpression.

Definition at line 53 of file IfThenElseExpression.cpp.

◆ gatherVariables()

void storm::expressions::IfThenElseExpression::gatherVariables ( std::set< storm::expressions::Variable > & variables ) const

overridevirtual

Retrieves the set of all variables that appear in the expression.

Parameters

The	set into which all variables in this expresson are inserted.

Implements storm::expressions::BaseExpression.

Definition at line 71 of file IfThenElseExpression.cpp.

◆ getArity()

uint_fast64_t storm::expressions::IfThenElseExpression::getArity ( ) const

overridevirtual

Returns the arity of the expression.

Returns: The arity of the expression.

Reimplemented from storm::expressions::BaseExpression.

Definition at line 40 of file IfThenElseExpression.cpp.

◆ getCondition()

std::shared_ptr< BaseExpression const > storm::expressions::IfThenElseExpression::getCondition ( ) const

Retrieves the condition expression of the if-then-else expression.

Returns: The condition expression of the if-then-else expression.

Definition at line 105 of file IfThenElseExpression.cpp.

◆ getElseExpression()

std::shared_ptr< BaseExpression const > storm::expressions::IfThenElseExpression::getElseExpression ( ) const

Retrieves the else expression of the if-then-else expression.

Returns: The else expression of the if-then-else expression.

Definition at line 113 of file IfThenElseExpression.cpp.

◆ getOperand()

std::shared_ptr< BaseExpression const > storm::expressions::IfThenElseExpression::getOperand ( uint_fast64_t operandIndex ) const

overridevirtual

Retrieves the given operand from the expression.

Parameters

operandIndex The index of the operand to retrieve. This must be lower than the arity of the expression.

Returns: The operand at the given index.

Reimplemented from storm::expressions::BaseExpression.

Definition at line 17 of file IfThenElseExpression.cpp.

◆ getOperator()

OperatorType storm::expressions::IfThenElseExpression::getOperator ( ) const

overridevirtual

Retrieves the operator of a function application.

This is only legal to call if the expression is function application.

Returns: The operator associated with the function application.

Reimplemented from storm::expressions::BaseExpression.

Definition at line 28 of file IfThenElseExpression.cpp.

◆ getThenExpression()

std::shared_ptr< BaseExpression const > storm::expressions::IfThenElseExpression::getThenExpression ( ) const

Retrieves the then expression of the if-then-else expression.

Returns: The then expression of the if-then-else expression.

Definition at line 109 of file IfThenElseExpression.cpp.

◆ isFunctionApplication()

bool storm::expressions::IfThenElseExpression::isFunctionApplication ( ) const

overridevirtual

Checks if the expression is a function application (of any sort).

Returns: True iff the expression is a function application.

Reimplemented from storm::expressions::BaseExpression.

Definition at line 32 of file IfThenElseExpression.cpp.

◆ isIfThenElseExpression()

bool storm::expressions::IfThenElseExpression::isIfThenElseExpression ( ) const

overridevirtual

Reimplemented from storm::expressions::BaseExpression.

Definition at line 101 of file IfThenElseExpression.cpp.

◆ operator=() [1/2]

IfThenElseExpression & storm::expressions::IfThenElseExpression::operator= ( IfThenElseExpression && )

delete

◆ operator=() [2/2]

IfThenElseExpression & storm::expressions::IfThenElseExpression::operator= ( IfThenElseExpression const & other )

delete

◆ printToStream()

void storm::expressions::IfThenElseExpression::printToStream ( std::ostream & stream ) const

overrideprotectedvirtual

Prints the expression to the given stream.

Parameters

stream The stream to which to write the expression.

Implements storm::expressions::BaseExpression.

Definition at line 117 of file IfThenElseExpression.cpp.

◆ simplify()

std::shared_ptr< BaseExpression const > storm::expressions::IfThenElseExpression::simplify ( ) const

overridevirtual

Simplifies the expression according to some simple rules.

Returns: A pointer to the simplified expression.

Implements storm::expressions::BaseExpression.

Definition at line 77 of file IfThenElseExpression.cpp.

The documentation for this class was generated from the following files:

src/storm/storage/expressions/IfThenElseExpression.h
src/storm/storage/expressions/IfThenElseExpression.cpp

Public Member Functions

Protected Member Functions

Detailed Description

Constructor & Destructor Documentation

◆ IfThenElseExpression() [1/3]

◆ IfThenElseExpression() [2/3]

◆ IfThenElseExpression() [3/3]

◆ ~IfThenElseExpression()

Member Function Documentation

◆ accept()

◆ containsVariables()

◆ evaluateAsBool()

◆ evaluateAsDouble()

◆ evaluateAsInt()

◆ gatherVariables()

◆ getArity()

◆ getCondition()

◆ getElseExpression()

◆ getOperand()

◆ getOperator()

◆ getThenExpression()

◆ isFunctionApplication()

◆ isIfThenElseExpression()

◆ operator=() [1/2]

◆ operator=() [2/2]

◆ printToStream()

◆ simplify()