Implements the scalar power operator within the symbolic operators family. More...

#include <power.hpp>

Inheritance diagram for Power:

Public Member Functions
virtual returnValue	AD_backward (int dim, VariableType varType, int component, Operator seed, Operator df, int &nNewIS, TreeProjection **newIS)

virtual returnValue	AD_backward (int number, double seed, double *df)

virtual returnValue	AD_backward2 (int number, double seed1, double seed2, double df, double ddf)

virtual Operator *	AD_forward (int dim, VariableType varType, int component, Operator seed, int &nNewIS, TreeProjection *newIS)

virtual returnValue	AD_forward (int number, double seed, double df)

virtual returnValue	AD_forward (int number, double x, double seed, double f, double df)

virtual returnValue	AD_forward2 (int number, double seed1, double seed2, double df, double ddf)

virtual returnValue	AD_symmetric (int dim, VariableType varType, int component, Operator l, Operator S, int dimS, Operator dfS, Operator ldf, Operator H, int &nNewLIS, TreeProjection newLIS, int &nNewSIS, TreeProjection newSIS, int &nNewHIS, TreeProjection **newHIS)

virtual Operator *	clone () const

virtual Operator *	differentiate (int index)

virtual returnValue	evaluate (int number, double x, double result)

virtual returnValue	evaluate (EvaluationBase *x)

virtual CurvatureType	getCurvature ()

virtual MonotonicityType	getMonotonicity ()

virtual OperatorName	getName ()

virtual returnValue	initDerivative ()

virtual BooleanType	isLinearIn (int dim, VariableType varType, int component, BooleanType *implicit_dep)

virtual BooleanType	isPolynomialIn (int dim, VariableType varType, int component, BooleanType *implicit_dep)

virtual BooleanType	isRationalIn (int dim, VariableType varType, int component, BooleanType *implicit_dep)

Power &	operator= (const Power &arg)

	Power ()

	Power (Operator _argument1, Operator _argument2)

	Power (const Power &arg)

virtual std::ostream &	print (std::ostream &stream) const

virtual Operator *	substitute (int index, const Operator *sub)

	~Power ()

Public Member Functions inherited from BinaryOperator
	BinaryOperator ()

	BinaryOperator (Operator _argument1, Operator _argument2)

	BinaryOperator (const BinaryOperator &arg)

virtual returnValue	clearBuffer ()

virtual returnValue	enumerateVariables (SymbolicIndexList *indexList)

virtual BooleanType	isDependingOn (VariableType var) const

virtual BooleanType	isDependingOn (int dim, VariableType varType, int component, BooleanType *implicit_dep)

virtual NeutralElement	isOneOrZero () const

virtual BooleanType	isSymbolic () const

virtual BooleanType	isVariable (VariableType &varType, int &component) const

virtual returnValue	loadIndices (SymbolicIndexList *indexList)

BinaryOperator &	operator= (const BinaryOperator &arg)

virtual returnValue	setCurvature (CurvatureType curvature_)

virtual returnValue	setMonotonicity (MonotonicityType monotonicity_)

virtual returnValue	setVariableExportName (const VariableType &_type, const std::vector< std::string > &_name)

virtual	~BinaryOperator ()

Public Member Functions inherited from SmoothOperator
virtual TreeProjection *	cloneTreeProjection () const

virtual int	getGlobalIndex () const

virtual double	getValue () const

virtual BooleanType	isSmooth () const

Expression	operator* (const double &arg) const

Expression	operator* (const DVector &arg) const

Expression	operator* (const DMatrix &arg) const

Expression	operator* (const Operator &arg) const

Expression	operator* (const Expression &arg) const

Operator &	operator*= (const double &arg)

Operator &	operator*= (const DVector &arg)

Operator &	operator*= (const DMatrix &arg)

Operator &	operator*= (const Expression &arg)

Expression	operator+ (const double &arg) const

Expression	operator+ (const DVector &arg) const

Expression	operator+ (const DMatrix &arg) const

Expression	operator+ (const Operator &arg) const

Expression	operator+ (const Expression &arg) const

Operator &	operator+= (const double &arg)

Operator &	operator+= (const DVector &arg)

Operator &	operator+= (const DMatrix &arg)

Operator &	operator+= (const Expression &arg)

Expression	operator- (const double &arg) const

Expression	operator- (const DVector &arg) const

Expression	operator- (const DMatrix &arg) const

Expression	operator- (const Operator &arg) const

Expression	operator- (const Expression &arg) const

Expression	operator- () const

Operator &	operator-= (const double &arg)

Operator &	operator-= (const DVector &arg)

Operator &	operator-= (const DMatrix &arg)

Operator &	operator-= (const Expression &arg)

Expression	operator/ (const double &arg) const

Expression	operator/ (const Operator &arg) const

Expression	operator/ (const Expression &arg) const

Operator &	operator/= (const double &arg)

Operator &	operator/= (const Expression &arg)

ConstraintComponent	operator<= (const double &ub) const

ConstraintComponent	operator<= (const DVector &ub) const

ConstraintComponent	operator<= (const VariablesGrid &ub) const

virtual Operator &	operator= (const double &arg)

virtual Operator &	operator= (const DVector &arg)

virtual Operator &	operator= (const DMatrix &arg)

virtual Operator &	operator= (const Expression &arg)

virtual Operator &	operator= (const Operator &arg)

ConstraintComponent	operator== (const double &b) const

ConstraintComponent	operator== (const DVector &b) const

ConstraintComponent	operator== (const VariablesGrid &b) const

ConstraintComponent	operator>= (const double &lb) const

ConstraintComponent	operator>= (const DVector &lb) const

ConstraintComponent	operator>= (const VariablesGrid &lb) const

virtual Operator *	passArgument () const

	SmoothOperator ()

virtual	~SmoothOperator ()

Public Member Functions inherited from Operator
virtual BooleanType	isTrivial () const

virtual Operator *	myAdd (Operator a, Operator b)

virtual Operator *	myLogarithm (Operator *a)

virtual Operator *	myPower (Operator a, Operator b)

virtual Operator *	myPowerInt (Operator *a, int b)

virtual Operator *	myProd (Operator a, Operator b)

virtual Operator *	mySubtract (Operator a, Operator b)

	Operator ()

Expression	operator* (const double &arg) const

Expression	operator* (const DVector &arg) const

Expression	operator* (const DMatrix &arg) const

Expression	operator* (const Operator &arg) const

Expression	operator* (const Expression &arg) const

Operator &	operator*= (const double &arg)

Operator &	operator*= (const DVector &arg)

Operator &	operator*= (const DMatrix &arg)

Operator &	operator*= (const Expression &arg)

Expression	operator+ (const double &arg) const

Expression	operator+ (const DVector &arg) const

Expression	operator+ (const DMatrix &arg) const

Expression	operator+ (const Operator &arg) const

Expression	operator+ (const Expression &arg) const

Operator &	operator+= (const double &arg)

Operator &	operator+= (const DVector &arg)

Operator &	operator+= (const DMatrix &arg)

Operator &	operator+= (const Expression &arg)

Expression	operator- (const double &arg) const

Expression	operator- (const DVector &arg) const

Expression	operator- (const DMatrix &arg) const

Expression	operator- (const Operator &arg) const

Expression	operator- (const Expression &arg) const

Expression	operator- () const

Operator &	operator-= (const double &arg)

Operator &	operator-= (const DVector &arg)

Operator &	operator-= (const DMatrix &arg)

Operator &	operator-= (const Expression &arg)

Expression	operator/ (const double &arg) const

Expression	operator/ (const Operator &arg) const

Expression	operator/ (const Expression &arg) const

Operator &	operator/= (const double &arg)

Operator &	operator/= (const Expression &arg)

ConstraintComponent	operator<= (const double &ub) const

ConstraintComponent	operator<= (const DVector &ub) const

ConstraintComponent	operator<= (const VariablesGrid &ub) const

ConstraintComponent	operator== (const double &b) const

ConstraintComponent	operator== (const DVector &b) const

ConstraintComponent	operator== (const VariablesGrid &b) const

ConstraintComponent	operator>= (const double &lb) const

ConstraintComponent	operator>= (const DVector &lb) const

ConstraintComponent	operator>= (const VariablesGrid &lb) const

virtual	~Operator ()

Protected Attributes
TreeProjection *	derivative01

TreeProjection *	derivative02

TreeProjection *	derivative12

TreeProjection *	derivative21

TreeProjection *	derivative22

TreeProjection *	derivative23

Protected Attributes inherited from BinaryOperator
Operator *	argument1

double *	argument1_result

Operator *	argument2

double *	argument2_result

int	bufferSize

CurvatureType	curvature

Operator *	dargument1

double *	dargument1_result

Operator *	dargument2

double *	dargument2_result

MonotonicityType	monotonicity

Protected Attributes inherited from Operator
BooleanType	initialized

Additional Inherited Members
Public Attributes inherited from SmoothOperator
int	nCount

Public Attributes inherited from Operator
int	nCount

Protected Member Functions inherited from BinaryOperator
void	copy (const BinaryOperator &arg)

void	deleteAll ()

Protected Member Functions inherited from Operator
returnValue	ADsymCommon (Operator a, TreeProjection &da, TreeProjection &dda, int dim, VariableType varType, int component, Operator l, Operator S, int dimS, Operator dfS, Operator ldf, Operator H, int &nNewLIS, TreeProjection *newLIS, int &nNewSIS, TreeProjection newSIS, int &nNewHIS, TreeProjection **newHIS)

returnValue	ADsymCommon2 (Operator a, Operator b, TreeProjection &dx, TreeProjection &dy, TreeProjection &dxx, TreeProjection &dxy, TreeProjection &dyy, int dim, VariableType varType, int component, Operator l, Operator S, int dimS, Operator dfS, Operator ldf, Operator H, int &nNewLIS, TreeProjection newLIS, int &nNewSIS, TreeProjection newSIS, int &nNewHIS, TreeProjection **newHIS)

virtual TreeProjection *	convert2TreeProjection (Operator *a) const

Detailed Description

Implements the scalar power operator within the symbolic operators family.

The class Power_Int implements the scalar power operator within the symbolic operators family.

Author: Boris Houska, Hans Joachim Ferreau

Definition at line 56 of file power.hpp.

Constructor & Destructor Documentation

BEGIN_NAMESPACE_ACADO Power::Power ( )

Default constructor.

Definition at line 45 of file power.cpp.

Power::Power	(	Operator *	_argument1,
		Operator *	_argument2
	)

Default constructor.

Definition at line 55 of file power.cpp.

Power::Power ( const Power & arg )

Copy constructor (deep copy).

Definition at line 66 of file power.cpp.

Power::~Power ( )

Default destructor.

Definition at line 85 of file power.cpp.

Member Function Documentation

returnValue Power::AD_backward	(	int	dim,
		VariableType *	varType,
		int *	component,
		Operator *	seed,
		Operator **	df,
		int &	nNewIS,
		TreeProjection ***	newIS
	)

virtual

Automatic Differentiation in backward mode on the symbolic
level. This function generates an expression for a
backward derivative

Returns: SUCCESSFUL_RETURN

Parameters

dim	number of directions
varType	the variable types
component	and their components
seed	the backward seed
df	the result
nNewIS	the number of new IS
newIS	the new IS-pointer

Implements BinaryOperator.

Definition at line 200 of file power.cpp.

returnValue Power::AD_backward	(	int	number,
		double	seed,
		double *	df
	)

virtual

Automatic Differentiation in backward mode based on
buffered values

Returns: SUCCESFUL_RETURN
RET_NAN

Parameters

number	the buffer position
seed	the seed
df	the derivative of the expression

Implements BinaryOperator.

Definition at line 498 of file power.cpp.

returnValue Power::AD_backward2	(	int	number,
		double	seed1,
		double	seed2,
		double *	df,
		double *	ddf
	)

virtual

Automatic Differentiation in backward mode for 2nd order
derivatives based on buffered values.

Returns: SUCCESFUL_RETURN
RET_NAN

Parameters

number	the buffer position
seed1	the seed1
seed2	the seed2
df	the 1st derivative of the expression
ddf	the 2nd derivative of the expression

Implements BinaryOperator.

Definition at line 545 of file power.cpp.

Operator * Power::AD_forward	(	int	dim,
		VariableType *	varType,
		int *	component,
		Operator **	seed,
		int &	nNewIS,
		TreeProjection ***	newIS
	)

virtual

Automatic Differentiation in forward mode on the symbolic
level. This function generates an expression for a
forward derivative

Returns: SUCCESSFUL_RETURN

Parameters

dim	dimension of the seed
varType	the variable types
component	and their components
seed	the forward seed
nNewIS	the number of new IS
newIS	the new IS-pointer

Implements BinaryOperator.

Definition at line 170 of file power.cpp.

returnValue Power::AD_forward	(	int	number,
		double *	seed,
		double *	df
	)

virtual

Automatic Differentiation in forward mode.
This function uses the intermediate
results from a buffer

Returns: SUCCESFUL_RETURN
RET_NAN

Parameters

number	storage position
seed	the seed
df	the derivative of the expression

Implements BinaryOperator.

Definition at line 484 of file power.cpp.

returnValue Power::AD_forward	(	int	number,
		double *	x,
		double *	seed,
		double *	f,
		double *	df
	)

virtual

Automatic Differentiation in forward mode.
This function stores the intermediate
results in a buffer (needed for 2nd order automatic
differentiation in backward mode)

Returns: SUCCESFUL_RETURN
RET_NAN

Parameters

number	storage position
x	The evaluation point x
seed	the seed
f	the value of the expression at x
df	the derivative of the expression

Implements BinaryOperator.

Definition at line 459 of file power.cpp.

returnValue Power::AD_forward2	(	int	number,
		double *	seed1,
		double *	seed2,
		double *	df,
		double *	ddf
	)

virtual

Automatic Differentiation in forward mode for
2nd derivatives.
This function uses intermediate
results from a buffer.

Returns: SUCCESFUL_RETURN
RET_NAN

Parameters

number	the buffer position
seed1	the seed
seed2	the seed for the first derivative
df	the derivative of the expression
ddf	the 2nd derivative of the expression

Implements BinaryOperator.

Definition at line 511 of file power.cpp.

returnValue Power::AD_symmetric	(	int	dim,
		VariableType *	varType,
		int *	component,
		Operator *	l,
		Operator **	S,
		int	dimS,
		Operator **	dfS,
		Operator **	ldf,
		Operator **	H,
		int &	nNewLIS,
		TreeProjection ***	newLIS,
		int &	nNewSIS,
		TreeProjection ***	newSIS,
		int &	nNewHIS,
		TreeProjection ***	newHIS
	)

virtual

Automatic Differentiation in symmetric mode on the symbolic
level. This function generates an expression for a
second order derivative.

Returns: SUCCESSFUL_RETURN

Parameters

dim	number of directions
varType	the variable types
component	and their components
l	the backward seed
S	forward seed matrix
dimS	dimension of forward seed
dfS	first order foward result
ldf	first order backward result
H	upper trianglular part of the Hessian
nNewLIS	the number of newLIS
newLIS	the new LIS-pointer
nNewSIS	the number of newSIS
newSIS	the new SIS-pointer
nNewHIS	the number of newHIS
newHIS	the new HIS-pointer

Implements BinaryOperator.

Definition at line 232 of file power.cpp.

Operator * Power::clone ( ) const

virtual

Provides a deep copy of the expression.

Returns: a clone of the expression.

Implements BinaryOperator.

Definition at line 596 of file power.cpp.

Operator * Power::differentiate ( int index )

virtual

Returns the derivative of the expression with respect
to the variable var(index).

Returns: The expression for the derivative.

Parameters

index diff. index

Implements BinaryOperator.

Definition at line 150 of file power.cpp.

returnValue Power::evaluate	(	int	number,
		double *	x,
		double *	result
	)

virtual

Evaluates the expression and stores the intermediate
results in a buffer (needed for automatic differentiation
in backward mode)

Returns: SUCCESFUL_RETURN
RET_NAN

Parameters

number	storage position
x	the input variable x
result	the result

Implements BinaryOperator.

Definition at line 124 of file power.cpp.

returnValue Power::evaluate ( EvaluationBase * x )

virtual

Evaluates the expression (templated version)

Implements BinaryOperator.

Definition at line 143 of file power.cpp.

CurvatureType Power::getCurvature ( )

virtual

Returns the curvature of the expression

Returns: CT_CONSTANT
CT_AFFINE
CT_CONVEX
CT_CONCAVE

Implements BinaryOperator.

Definition at line 402 of file power.cpp.

MonotonicityType Power::getMonotonicity ( )

virtual

Returns the monotonicity of the expression.

Returns: MT_NONDECREASING
MT_NONINCREASING
MT_NONMONOTONIC

Implements BinaryOperator.

Definition at line 363 of file power.cpp.

OperatorName Power::getName ( )

virtual

Asks the expression for its name.

Returns: the name of the expression.

Implements BinaryOperator.

Definition at line 602 of file power.cpp.

returnValue Power::initDerivative ( )

virtual

Reimplemented from BinaryOperator.

Definition at line 261 of file power.cpp.

BooleanType Power::isLinearIn	(	int	dim,
		VariableType *	varType,
		int *	component,
		BooleanType *	implicit_dep
	)

virtual

Checks whether the expression is linear in
(or not depending on) a variable

Returns: BT_FALSE if no linearity is
detected
BT_TRUE otherwise

Parameters

dim	number of directions
varType	the variable types
component	and their components
implicit_dep	implicit dependencies

Implements BinaryOperator.

Definition at line 305 of file power.cpp.

BooleanType Power::isPolynomialIn	(	int	dim,
		VariableType *	varType,
		int *	component,
		BooleanType *	implicit_dep
	)

virtual

Checks whether the expression is polynomial in
the specified variables

Returns: BT_FALSE if the expression is not polynomial
BT_TRUE otherwise

Parameters

dim	number of directions
varType	the variable types
component	and their components
implicit_dep	implicit dependencies

Implements BinaryOperator.

Definition at line 335 of file power.cpp.

BooleanType Power::isRationalIn	(	int	dim,
		VariableType *	varType,
		int *	component,
		BooleanType *	implicit_dep
	)

virtual

Checks whether the expression is rational in
the specified variables

Returns: BT_FALSE if the expression is not rational
BT_TRUE otherwise

Parameters

dim	number of directions
varType	the variable types
component	and their components
implicit_dep	implicit dependencies

Implements BinaryOperator.

Definition at line 349 of file power.cpp.

Power & Power::operator= ( const Power & arg )

Assignment Operator (deep copy).

Definition at line 114 of file power.cpp.

std::ostream & Power::print ( std::ostream & stream ) const

virtual

Prints the expression into a stream.

Returns: SUCCESFUL_RETURN

Implements BinaryOperator.

Definition at line 576 of file power.cpp.

Operator * Power::substitute	(	int	index,
		const Operator *	sub
	)

virtual

Substitutes var(index) with the expression sub.

Returns: The substituted expression.

Parameters

index	subst. index
sub	the substitution

Implements BinaryOperator.

Definition at line 297 of file power.cpp.

Member Data Documentation

TreeProjection* Power::derivative01

protected

An auxiliary variable to define the power.

Definition at line 334 of file power.hpp.

TreeProjection* Power::derivative02

protected

An auxiliary variable to define the power.

Definition at line 335 of file power.hpp.

TreeProjection* Power::derivative12

protected

An auxiliary variable to define the first order derivative of the power.

Definition at line 337 of file power.hpp.

TreeProjection* Power::derivative21

protected

An auxiliary variable to define the second order derivative of the power.

Definition at line 339 of file power.hpp.

TreeProjection* Power::derivative22

protected

An auxiliary variable to define the second order derivative of the power.

Definition at line 340 of file power.hpp.

TreeProjection* Power::derivative23

protected

An auxiliary variable to define the second order derivative of the power.

Definition at line 341 of file power.hpp.

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

Public Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation