BinaryExpressionCell Class Reference

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

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

Inheritance diagram for BinaryExpressionCell:

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_first_argument () const
	Returns the first argument. More...
const Expression &	get_second_argument () const
	Returns the second argument. More...
	BinaryExpressionCell (const BinaryExpressionCell &e)=delete
	Copy-constructs from an lvalue. More...
	BinaryExpressionCell (BinaryExpressionCell &&e)=delete
	Move-constructs from an rvalue. More...
	BinaryExpressionCell ()=delete
	Default constructor (DELETED). More...
BinaryExpressionCell &	operator= (BinaryExpressionCell &&e)=delete
	Move-assigns (DELETED). More...
BinaryExpressionCell &	operator= (const BinaryExpressionCell &e)=delete
	Copy-assigns (DELETED). More...
	~BinaryExpressionCell () 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
	BinaryExpressionCell (ExpressionKind k, const Expression &e1, const Expression &e2, bool is_poly)
	Constructs BinaryExpressionCell of kind k with hash, e1, e2, is_poly.
virtual double	DoEvaluate (double v1, double v2) const =0
	Returns the evaluation result f(v1, v2 ). 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 binary expressions.

Constructor & Destructor Documentation

BinaryExpressionCell() [1/3]

BinaryExpressionCell ( const BinaryExpressionCell &  e )

delete

Copy-constructs from an lvalue.

(DELETED)

BinaryExpressionCell() [2/3]

BinaryExpressionCell ( BinaryExpressionCell &&  e )

delete

Move-constructs from an rvalue.

(DELETED)

BinaryExpressionCell() [3/3]

BinaryExpressionCell ( )

delete

Default constructor (DELETED).

~BinaryExpressionCell()

~BinaryExpressionCell ( )

overridedefault

Default destructor.

Member Function Documentation

DoEvaluate()

virtual double DoEvaluate ( double  v1, double  v2  ) const

protectedpure virtual

Returns the evaluation result f(v1, v2 ).

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_first_argument()

const Expression& get_first_argument ( ) const

inline

Returns the first argument.

get_second_argument()

const Expression& get_second_argument ( ) const

inline

Returns the second argument.

Less()

bool Less ( const ExpressionCell &  c ) const

overridevirtual

Provides lexicographical ordering between expressions.

Implements ExpressionCell.

operator=() [1/2]

BinaryExpressionCell& operator= ( BinaryExpressionCell &&  e )

delete

Move-assigns (DELETED).

operator=() [2/2]

BinaryExpressionCell& operator= ( const BinaryExpressionCell &  e )

delete

Copy-assigns (DELETED).

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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