Represents the base class for unary expressions. More...

#include </home/soonhokong/work/dreal4/third_party/com_github_robotlocomotion_drake/dreal/symbolic/symbolic_expression_cell.h>

Inheritance diagram for UnaryExpressionCell:

Public Member Functions
bool	EqualTo (const ExpressionCell &e) const override
	Checks structural equality. More...

bool	Less (const ExpressionCell &e) const override
	Provides lexicographical ordering between expressions. More...

double	Evaluate (const Environment &env) const override
	Evaluates under a given environment (by default, an empty environment). More...

const Expression &	get_argument () const
	Returns the argument. More...

	UnaryExpressionCell (const UnaryExpressionCell &e)=delete
	Copy-constructs from an lvalue. More...

	UnaryExpressionCell ()=delete
	Default constructor (DELETED). More...

UnaryExpressionCell &	operator= (UnaryExpressionCell &&e)=delete
	Move-assigns (DELETED). More...

UnaryExpressionCell &	operator= (const UnaryExpressionCell &e)=delete
	Copy-assigns (DELETED). More...

	UnaryExpressionCell (UnaryExpressionCell &&e)=delete
	Move-constructs from an rvalue. More...

	~UnaryExpressionCell () override=default
	Default destructor. More...

Public Member Functions inherited from ExpressionCell
ExpressionKind	get_kind () const
	Returns expression kind. More...

size_t	get_hash () const
	Returns hash value. More...

const Variables &	GetVariables () const
	Collects variables in expression. More...

bool	is_polynomial () const
	Checks if this symbolic expression is convertible to Polynomial. More...

bool	include_ite () const
	Returns true if this symbolic expression includes an ITE (If-Then-Else) expression. More...

virtual Expression	Expand ()=0
	Expands out products and positive integer powers in expression. More...

virtual Expression	Substitute (const ExpressionSubstitution &expr_subst, const FormulaSubstitution &formula_subst)=0
	Returns an Expression obtained by replacing all occurrences of the variables in `s` in the current expression cell with the corresponding expressions in `s`. More...

virtual Expression	Differentiate (const Variable &x) const =0
	Differentiates this symbolic expression with respect to the variable `var`. More...

virtual std::ostream &	Display (std::ostream &os) const =0
	Outputs string representation of expression into output stream `os`. More...

unsigned	use_count () const
	Returns the reference count of this cell. More...

	ExpressionCell (const ExpressionCell &e)=delete
	Copy-constructs an ExpressionCell from an lvalue. More...

	ExpressionCell (ExpressionCell &&e)=delete
	Move-constructs an ExpressionCell from an rvalue. More...

	ExpressionCell ()=delete
	Default constructor (DELETED). More...

ExpressionCell &	operator= (ExpressionCell &&e)=delete
	Move-assigns (DELETED). More...

ExpressionCell &	operator= (const ExpressionCell &e)=delete
	Copy-assigns (DELETED). More...

Protected Member Functions
	UnaryExpressionCell (ExpressionKind k, const Expression &e, bool is_poly)
	Constructs UnaryExpressionCell of kind `k` with `hash`, `e`, `is_poly`. More...

virtual double	DoEvaluate (double v) const =0
	Returns the evaluation result f(`v` ). More...

Protected Member Functions inherited from ExpressionCell
	ExpressionCell (ExpressionKind k, size_t hash, bool is_poly, bool include_ite, Variables variables)
	Constructs ExpressionCell of kind `k` with `hash`, `is_poly`, and `include_ite`. More...

virtual	~ExpressionCell ()=default
	Default destructor. More...

Expression	GetExpression ()
	Returns an expression pointing to this ExpressionCell. More...

Detailed Description

Represents the base class for unary expressions.

Constructor & Destructor Documentation

◆ UnaryExpressionCell() [1/4]

UnaryExpressionCell ( const UnaryExpressionCell & e )

delete

Copy-constructs from an lvalue.

(DELETED)

◆ UnaryExpressionCell() [2/4]

UnaryExpressionCell ( )

delete

Default constructor (DELETED).

◆ UnaryExpressionCell() [3/4]

UnaryExpressionCell ( UnaryExpressionCell && e )

delete

Move-constructs from an rvalue.

(DELETED)

◆ ~UnaryExpressionCell()

~UnaryExpressionCell ( )

overridedefault

Default destructor.

◆ UnaryExpressionCell() [4/4]

UnaryExpressionCell	(	ExpressionKind	k,
		const Expression &	e,
		bool	is_poly
	)

protected

Constructs UnaryExpressionCell of kind k with hash, e, is_poly.

Member Function Documentation

◆ DoEvaluate()

virtual double DoEvaluate ( double v ) const

protectedpure virtual

Returns the evaluation result f(v ).

◆ EqualTo()

bool EqualTo ( const ExpressionCell & c ) const

overridevirtual

Checks structural equality.

Implements ExpressionCell.

◆ Evaluate()

double Evaluate ( const Environment & env ) const

overridevirtual

Evaluates under a given environment (by default, an empty environment).

Exceptions

std::runtime_error if NaN is detected during evaluation.

Implements ExpressionCell.

◆ get_argument()

const Expression& get_argument ( ) const

inline

Returns the argument.

◆ Less()

bool Less ( const ExpressionCell & c ) const

overridevirtual

Provides lexicographical ordering between expressions.

Implements ExpressionCell.

◆ operator=() [1/2]

UnaryExpressionCell& operator= ( UnaryExpressionCell && e )

delete

Move-assigns (DELETED).

◆ operator=() [2/2]

UnaryExpressionCell& operator= ( const UnaryExpressionCell & e )

delete

Copy-assigns (DELETED).

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

/home/soonhokong/work/dreal4/third_party/com_github_robotlocomotion_drake/dreal/symbolic/symbolic_expression_cell.h
/home/soonhokong/work/dreal4/third_party/com_github_robotlocomotion_drake/dreal/symbolic/symbolic_expression_cell.cc

Public Member Functions

Protected Member Functions

Detailed Description

Constructor & Destructor Documentation

◆ UnaryExpressionCell() [1/4]

◆ UnaryExpressionCell() [2/4]

◆ UnaryExpressionCell() [3/4]

◆ ~UnaryExpressionCell()

◆ UnaryExpressionCell() [4/4]

Member Function Documentation

◆ DoEvaluate()

◆ EqualTo()

◆ Evaluate()

◆ get_argument()

◆ Less()

◆ operator=() [1/2]

◆ operator=() [2/2]