Expression Class Reference

A Expression class represents a maths expression. More...

#include <Expression.h>

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Collaboration diagram for Expression:

Public Member Functions
	Expression (unsigned, std::vector< std::string > &&)
virtual unique_ptr< Expression >	unique_copy () const =0
virtual uword	input_size () const
virtual uword	output_size () const
bool	compile (std::string_view)
Mat< double >	evaluate (double)
virtual Mat< double >	evaluate (const Col< double > &)=0
Mat< double >	gradient (double)
virtual Mat< double >	gradient (const Col< double > &)=0
void	print () override
Public Member Functions inherited from UniqueTag
	UniqueTag (const UniqueTag &)=delete
	UniqueTag (UniqueTag &&)=delete
UniqueTag &	operator= (const UniqueTag &)=delete
UniqueTag &	operator= (UniqueTag &&)=delete
	~UniqueTag () override=default
	Tag (unsigned=0)
	Tag (const Tag &)=default
	Tag (Tag &&) noexcept=default
Public Member Functions inherited from Tag
	Tag (unsigned=0)
	Tag (const Tag &)=default
	Tag (Tag &&) noexcept=default
Tag &	operator= (const Tag &)=delete
Tag &	operator= (Tag &&)=delete
virtual	~Tag ()=default
void	set_tag (unsigned) const
unsigned	get_tag () const
void	enable ()
void	disable ()
void	guard ()
void	unguard ()
bool	is_active () const
bool	is_guarded () const

Static Public Member Functions
static std::string	error ()

Protected Attributes
Col< double >	x
std::string	expression_text
std::vector< std::string >	variable_text_list
exprtk::expression< double >	expression
exprtk::symbol_table< double >	symbol_table

Detailed Description

A Expression class represents a maths expression.

Author

tlc

Date

12/01/2023

Constructor & Destructor Documentation

Expression()

Expression::Expression	(	unsigned	tag,
		std::vector< std::string > &&	variable_string
	)

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Member Function Documentation

compile()

bool Expression::compile

(

std::string_view

expression_string

)

error()

std::string Expression::error ( )

static

evaluate() [1/2]

virtual Mat< double > Expression::evaluate ( const Col< double > &  )

pure virtual

Implemented in SimpleScalarExpression, and SimpleVectorExpression.

evaluate() [2/2]

Mat< double > Expression::evaluate

(

double

in_x

)

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gradient() [1/2]

virtual Mat< double > Expression::gradient ( const Col< double > &  )

pure virtual

Implemented in SimpleScalarExpression, and SimpleVectorExpression.

gradient() [2/2]

Mat< double > Expression::gradient

(

double

in_x

)

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input_size()

uword Expression::input_size ( ) const

virtual

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output_size()

uword Expression::output_size ( ) const

virtual

Reimplemented in SimpleVectorExpression.

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print()

void Expression::print ( )

overridevirtual

Reimplemented from Tag.

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unique_copy()

virtual unique_ptr< Expression > Expression::unique_copy ( ) const

pure virtual

Implemented in SimpleScalarExpression, and SimpleVectorExpression.

Member Data Documentation

expression

exprtk::expression<double> Expression::expression

protected

expression_text

std::string Expression::expression_text

protected

symbol_table

exprtk::symbol_table<double> Expression::symbol_table

protected

variable_text_list

std::vector<std::string> Expression::variable_text_list

protected

x

Col<double> Expression::x

protected

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

• Toolbox/Expression.h
• Toolbox/Expression.cpp