#include <ATan.hpp>

Inheritance diagram for atl::ATan< REAL_T, EXPR >:

Public Types
typedef REAL_T	BASE_TYPE

typedef REAL_T	BASE_TYPE

Public Member Functions
	ATan (const ExpressionBase< REAL_T, EXPR > &a)

const REAL_T	GetValue () const

const REAL_T	GetValue (size_t i, size_t j=0) const

bool	IsNonlinear () const

void	PushIds (typename atl::StackEntry< REAL_T >::vi_storage &ids) const

void	PushIds (typename atl::StackEntry< REAL_T >::vi_storage &ids, size_t i, size_t j=0) const

const REAL_T	EvaluateDerivative (uint32_t x) const

REAL_T	EvaluateDerivative (uint32_t x, uint32_t y) const

REAL_T	EvaluateDerivative (uint32_t x, uint32_t y, uint32_t z) const

const REAL_T	EvaluateDerivative (uint32_t x, size_t i, size_t j=0) const

REAL_T	EvaluateDerivative (uint32_t x, uint32_t y, size_t i, size_t j=0) const

REAL_T	EvaluateDerivative (uint32_t x, uint32_t y, uint32_t z, size_t i, size_t j=0) const

size_t	GetColumns () const

size_t	GetRows () const

bool	IsScalar () const

const std::string	ToExpressionTemplateString () const

	ATan (const ExpressionBase< REAL_T, EXPR > &a)

const REAL_T	GetValue () const

const REAL_T	GetValue (size_t i, size_t j=0) const

void	PushIds (typename atl::StackEntry< REAL_T >::vi_storage &ids) const

void	PushIds (typename atl::StackEntry< REAL_T >::vi_storage &ids, size_t i, size_t j=0) const

const REAL_T	EvaluateDerivative (uint32_t id) const

REAL_T	EvaluateDerivative (uint32_t a, uint32_t b) const

REAL_T	EvaluateDerivative (uint32_t x, uint32_t y, uint32_t z) const

const REAL_T	EvaluateDerivative (uint32_t id, size_t i, size_t j=0) const

REAL_T	EvaluateDerivative (uint32_t a, uint32_t b, size_t i, size_t j=0) const

REAL_T	EvaluateDerivative (uint32_t x, uint32_t y, uint32_t z, size_t i, size_t j=0) const

size_t	GetColumns () const

size_t	GetRows () const

bool	IsScalar () const

Public Member Functions inherited from atl::ExpressionBase< REAL_T, ATan< REAL_T, EXPR > >
const ATan< REAL_T, EXPR > &	Cast () const

const ATan< REAL_T, EXPR > &	Cast () const

const REAL_T	GetValue () const

const REAL_T	GetValue (size_t i, size_t j=0) const

const REAL_T	GetValue () const

const REAL_T	GetValue (size_t i, size_t j=0) const

bool	IsNonlinear () const

bool	IsNonlinear () const

void	PushIds (typename atl::StackEntry< REAL_T >::vi_storage &ids) const

void	PushIds (typename atl::StackEntry< REAL_T >::vi_storage &ids, size_t i, size_t j=0) const

void	PushIds (typename atl::StackEntry< REAL_T >::vi_storage &ids) const

void	PushIds (typename atl::StackEntry< REAL_T >::vi_storage &ids, size_t i, size_t j=0) const

REAL_T	EvaluateDerivative (uint32_t a) const

REAL_T	EvaluateDerivative (uint32_t a, uint32_t b) const

REAL_T	EvaluateDerivative (uint32_t x, uint32_t y, uint32_t z) const

REAL_T	EvaluateDerivative (uint32_t a, size_t i, size_t j=0) const

REAL_T	EvaluateDerivative (uint32_t a, uint32_t b, size_t i, size_t j=0) const

REAL_T	EvaluateDerivative (uint32_t x, uint32_t y, uint32_t z, size_t i, size_t j=0) const

REAL_T	EvaluateDerivative (uint32_t x) const

REAL_T	EvaluateDerivative (uint32_t x, uint32_t y) const

REAL_T	EvaluateDerivative (uint32_t x, uint32_t y, uint32_t z) const

REAL_T	EvaluateDerivative (uint32_t x, size_t i, size_t j=0) const

REAL_T	EvaluateDerivative (uint32_t x, uint32_t y, size_t i, size_t j=0) const

REAL_T	EvaluateDerivative (uint32_t x, uint32_t y, uint32_t z, size_t i, size_t j=0) const

const ExpressionBase &	operator= (const ExpressionBase &exp) const

const ExpressionBase &	operator= (const ExpressionBase &exp) const

size_t	GetColumns () const

size_t	GetColumns () const

size_t	GetRows () const

size_t	GetRows () const

bool	IsScalar () const

bool	IsScalar () const

std::string	ToExpressionTemplateString () const

Public Attributes
const EXPR &	expr_m

Detailed Description

template<class REAL_T, class EXPR>
struct atl::ATan< REAL_T, EXPR >

Expression template to handle arctangent for variable or container expressions.

\( \arctan f(x,y) \)

or

\( \arctan f_{i,j}(x,y) \)

Constructor & Destructor Documentation

template<class REAL_T , class EXPR >

atl::ATan< REAL_T, EXPR >::ATan ( const ExpressionBase< REAL_T, EXPR > & a )

inline

Constructor

Parameters

a

Member Function Documentation

template<class REAL_T , class EXPR >

const REAL_T atl::ATan< REAL_T, EXPR >::EvaluateDerivative ( uint32_t x ) const

inline

Evaluates the first-order derivative of this expression with respect to x.

\( {{{{d}\over{d\,x}}\,f(x)}\over{f(x)^2+1}} \)

Parameters

x

Returns

template<class REAL_T , class EXPR >

REAL_T atl::ATan< REAL_T, EXPR >::EvaluateDerivative	(	uint32_t	x,
		uint32_t	y
	)		const

inline

Evaluates the second-order mixed partial with respect to x and y.

\( {{{{d^2}\over{d\,x\,d\,y}}\,f(x,y)}\over{f(x,y)^2+1}}- {{2\,f(x,y)\,\left({{d}\over{d\,x}}\,f(x,y)\right)\, \left({{d}\over{d\,y}}\,f(x,y)\right)}\over{\left(f(x,y) ^2+1\right)^2}} \)

Parameters

x
y
i
j

Returns

template<class REAL_T , class EXPR >

REAL_T atl::ATan< REAL_T, EXPR >::EvaluateDerivative	(	uint32_t	x,
		uint32_t	y,
		uint32_t	z
	)		const

inline

Evaluates the third-order mixed partial with respect to x,y, and z.

\( -{{2\,\left({{d}\over{d\,x}}\,f\left(x , y , z\right)\right)\, \left({{d}\over{d\,y}}\,f\left(x , y , z\right)\right)\,\left({{d }\over{d\,z}}\,f\left(x , y , z\right)\right)}\over{\left(f^2\left(x , y , z\right)+1\right)^2}}+{{8\,f^2\left(x , y , z\right)\,\left( {{d}\over{d\,x}}\,f\left(x , y , z\right)\right)\,\left({{d}\over{d \,y}}\,f\left(x , y , z\right)\right)\,\left({{d}\over{d\,z}}\,f \left(x , y , z\right)\right)}\over{\left(f^2\left(x , y , z\right)+ 1\right)^3}}-{{2\,f\left(x , y , z\right)\,\left({{d^2}\over{d\,x\,d \,y}}\,f\left(x , y , z\right)\right)\,\left({{d}\over{d\,z}}\,f \left(x , y , z\right)\right)}\over{\left(f^2\left(x , y , z\right)+ 1\right)^2}}- \\ {{2\,f\left(x , y , z\right)\,\left({{d}\over{d\,x}}\,f \left(x , y , z\right)\right)\,\left({{d^2}\over{d\,y\,d\,z}}\,f \left(x , y , z\right)\right)}\over{\left(f^2\left(x , y , z\right)+ 1\right)^2}}-{{2\,f\left(x , y , z\right)\,\left({{d^2}\over{d\,x\,d \,z}}\,f\left(x , y , z\right)\right)\,\left({{d}\over{d\,y}}\,f \left(x , y , z\right)\right)}\over{\left(f^2\left(x , y , z\right)+ 1\right)^2}}+{{{{d^3}\over{d\,x\,d\,y\,d\,z}}\,f\left(x , y , z \right)}\over{f^2\left(x , y , z\right)+1}} \)

Parameters

x
y
z

Returns

template<class REAL_T , class EXPR >

const REAL_T atl::ATan< REAL_T, EXPR >::EvaluateDerivative	(	uint32_t	x,
		size_t	i,
		size_t	j = `0`
	)		const

inline

Evaluates the first-order derivative of this expression with respect to x at index {i,j}.

\( {{{{d}\over{d\,x}}\,f_{i,j}(x)}\over{f_{i,j}(x)^2+1}} \)

Parameters

x
i
j

Returns

template<class REAL_T , class EXPR >

REAL_T atl::ATan< REAL_T, EXPR >::EvaluateDerivative	(	uint32_t	x,
		uint32_t	y,
		size_t	i,
		size_t	j = `0`
	)		const

inline

Evaluates the second-order mixed partial with respect to x and y at index {i,j}.

\( {{{{d^2}\over{d\,x\,d\,y}}\,f_{i,j}(x,y)}\over{f_{i,j}(x,y)^2+1}}- {{2\,f_{i,j}(x,y)\,\left({{d}\over{d\,x}}\,f_{i,j}(x,y)\right)\, \left({{d}\over{d\,y}}\,f_{i,j}(x,y)\right)}\over{\left(f_{i,j}(x,y) ^2+1\right)^2}} \)

Parameters

x
y
i
j

Returns

template<class REAL_T , class EXPR >

REAL_T atl::ATan< REAL_T, EXPR >::EvaluateDerivative	(	uint32_t	x,
		uint32_t	y,
		uint32_t	z,
		size_t	i,
		size_t	j = `0`
	)		const

inline

Evaluates the third-order mixed partial with respect to x,y, and z at index {i,j}.

\( -{{2\,\left({{d}\over{d\,x}}\,f_{i,j}(x,y,z)\right)\,\left({{d }\over{d\,y}}\,f_{i,j}(x,y,z)\right)\,\left({{d}\over{d\,z}}\,f_{i,j }(x,y,z)\right)}\over{\left(f_{i,j}(x,y,z)^2+1\right)^2}}+{{8\,f_{i, j}(x,y,z)^2\,\left({{d}\over{d\,x}}\,f_{i,j}(x,y,z)\right)\,\left({{ d}\over{d\,y}}\,f_{i,j}(x,y,z)\right)\,\left({{d}\over{d\,z}}\,f_{i, j}(x,y,z)\right)}\over{\left(f_{i,j}(x,y,z)^2+1\right)^3}}-{{2\,f_{i ,j}(x,y,z)\,\left({{d^2}\over{d\,x\,d\,y}}\,f_{i,j}(x,y,z)\right)\, \left({{d}\over{d\,z}}\,f_{i,j}(x,y,z)\right)}\over{\left(f_{i,j}(x, y,z)^2+1\right)^2}}- \\ {{2\,f_{i,j}(x,y,z)\,\left({{d}\over{d\,x}}\,f_{ i,j}(x,y,z)\right)\,\left({{d^2}\over{d\,y\,d\,z}}\,f_{i,j}(x,y,z) \right)}\over{\left(f_{i,j}(x,y,z)^2+1\right)^2}}-{{2\,f_{i,j}(x,y,z )\,\left({{d^2}\over{d\,x\,d\,z}}\,f_{i,j}(x,y,z)\right)\,\left({{d }\over{d\,y}}\,f_{i,j}(x,y,z)\right)}\over{\left(f_{i,j}(x,y,z)^2+1 \right)^2}}+{{{{d^3}\over{d\,x\,d\,y\,d\,z}}\,f_{i,j}(x,y,z)}\over{f _{i,j}(x,y,z)^2+1}} \)

Parameters

x
y
z
i
j

Returns

template<class REAL_T , class EXPR >

size_t atl::ATan< REAL_T, EXPR >::GetColumns ( ) const

inline

Return the number of columns.

Returns

template<class REAL_T , class EXPR >

size_t atl::ATan< REAL_T, EXPR >::GetRows ( ) const

inline

Return the number of rows.

Returns

template<class REAL_T , class EXPR >

const REAL_T atl::ATan< REAL_T, EXPR >::GetValue ( ) const

inline

Compute the arctangent of the evaluated expression.

Returns

template<class REAL_T , class EXPR >

const REAL_T atl::ATan< REAL_T, EXPR >::GetValue	(	size_t	i,
		size_t	j = `0`
	)		const

inline

Compute the arctangent of the evaluated expression at index {i,j}.

Returns

template<class REAL_T , class EXPR >

bool atl::ATan< REAL_T, EXPR >::IsNonlinear ( ) const

inline

Returns true.

Returns

template<class REAL_T , class EXPR >

bool atl::ATan< REAL_T, EXPR >::IsScalar ( ) const

inline

True if this expression is a scalar.

Returns

template<class REAL_T , class EXPR >

void atl::ATan< REAL_T, EXPR >::PushIds ( typename atl::StackEntry< REAL_T >::vi_storage & ids ) const

inline

Push variable info into a set.

Parameters

ids
i
j

template<class REAL_T , class EXPR >

void atl::ATan< REAL_T, EXPR >::PushIds	(	typename atl::StackEntry< REAL_T >::vi_storage &	ids,
		size_t	i,
		size_t	j = `0`
	)		const

inline

Push variable info into a set at index {i,j}.

Parameters

ids
i
j

template<class REAL_T , class EXPR >

const std::string atl::ATan< REAL_T, EXPR >::ToExpressionTemplateString ( ) const

inline

Create a string representation of this expression template.

Returns

The documentation for this struct was generated from the following file:

ATan.hpp

Public Types

Public Member Functions

Public Attributes

Detailed Description

template<class REAL_T, class EXPR> struct atl::ATan< REAL_T, EXPR >

Constructor & Destructor Documentation

Member Function Documentation

template<class REAL_T, class EXPR>
struct atl::ATan< REAL_T, EXPR >