#include <nodes.h>

Inheritance diagram for Differential:

Collaboration diagram for Differential:

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Public Member Functions
Constructor and Virtual Destructor
	Differential (Parser &p, Node *parent)

	Differential (EqnXMLParser &in, Node *parent)

	~Differential ()

Virtual Public Member Functions
bool	isLeaf () const

int	numFactors () const

Node *	findNode (int x, int y)

Node *	findNode (const Box &b)

std::string	toString () const

const std::string &	getName () const

std::type_index	getType () const

void	normalize ()

bool	simplify ()

Public Member Functions inherited from Node
void	calculateSize (UI::Graphics &gc)

void	out (XML::Stream &xml)

void	calculateOrigin (UI::Graphics &gc, int x, int y)

void	setUpDraw (UI::Graphics &gc)

void	draw (UI::Graphics &gc) const

void	setSelect (Select s)

Select	getSelect () const

void	setDrawParenthesis (bool fDrawPar)

bool	getDrawParenthesis () const

const Frame &	getFrame () const

Node *	first ()

Node *	last ()

Node *	getNextLeft ()

Node *	getNextRight ()

void	setParent (Node *parent)

Node *	getParent () const

int	getDepth () const

int	getNth () const

void	addNth (int n)

void	multNth (int n)

void	setNth (int n)

void	negative ()

bool	getSign () const

Complex	getValue () const

std::shared_ptr< Node >	getSharedPtr ()

	Node (Node *parent=nullptr, bool fNeg=false, Select s=NONE)

	Node (EqnXMLParser &in, Node *parent)

virtual	~Node ()
	Abstract base class needs virtual desctructor.

virtual bool	isFactor () const

virtual bool	less (NodePtr b) const

Static Public Member Functions
static Differential *	parse (Parser &p, Node *parent)

Static Public Member Functions inherited from Node
static bool	createNodeByName (std::string name, Equation &eqn)

Static Public Attributes
static const std::string	name = "differential"
	Name of Differential class.

static const std::type_index	type = typeid(Differential)
	Type of Differential class.

Static Public Attributes inherited from Node
static const std::vector< std::string >	select_tags = { "NONE", "START", "END", "ALL" }

Private Member Functions
Virtual Private Member Functions
Node *	downLeft ()

Node *	downRight ()

void	xml_out (XML::Stream &xml) const

Frame	calcSize (UI::Graphics &gc)

void	calcOrig (UI::Graphics &gc, int x, int y)

void	drawNode (UI::Graphics &gc) const

Complex	getNodeValue () const

Private Attributes
Box	m_internal
	Bounding box of this node.

char	m_variable
	Variable of Differential.

NodePtr	m_function
	Function to be differentiated.

Additional Inherited Members
Public Types inherited from Node
enum	Select { NONE, START, END, ALL }

Detailed Description

Represents a differential of an expression to a variable.

Constructor & Destructor Documentation

Differential::Differential	(	Parser &	p,
		Node *	parent
	)

Constructor for Differential class.

Parameters

p	Parser object.
parent	Parent node.

Differential::Differential	(	EqnXMLParser &	in,
		Node *	parent
	)

XML constructor for Differential class. Read in XML for Differential class.

Parameters

in	XML input stream.
parent	Parent node object.

Differential::~Differential ( )

inline

Abstract base class needs virtual destructor.

Member Function Documentation

void Differential::calcOrig	(	UI::Graphics &	gc,
		int	x,
		int	y
	)

privatevirtual

Calculate origin of this node offset from the point (x,y) given it.

Parameters

gc	Graphics context.
x	Horizontal origin.
y	Vertical origin.

Implements Node.

Node::Frame Differential::calcSize ( UI::Graphics & gc )

privatevirtual

Calculate size of this node in given graphics context.

Parameters

gc	Graphics context.

Returns: Return frame containing size of this node.

Implements Node.

Node* Differential::downLeft ( )

inlineprivatevirtual

Get left node. For Differential class left most node of function argument.

Returns: Left node.

Reimplemented from Node.

Node* Differential::downRight ( )

inlineprivatevirtual

Get right node. For Differential class right most node of function argument.

Returns: Right node.

Reimplemented from Node.

void Differential::drawNode ( UI::Graphics & gc ) const

privatevirtual

Draw this node in the given graphical context.

Parameters

gc	Graphical context.

Implements Node.

Node* Differential::findNode	(	int	x,
		int	y
	)

inlinevirtual

Rescursive search to find deepest node at point (x,y).

Parameters

x	horizontal coordinate.
y	vertical coordinate.

Returns: Deepest node at point (x,y).

Reimplemented from Node.

Node * Differential::findNode ( const Box & b )

virtual

Recursive function to return first node from a top to bottom search whose frame is inside Box b.

Parameters

b	Bounding box.

Returns: Top node inside bounding box.

Reimplemented from Node.

const std::string& Differential::getName ( ) const

inlinevirtual

Get name of this class.

Returns: Name of this class.

Implements Node.

Complex Differential::getNodeValue ( ) const

inlineprivatevirtual

Get value of this subtree.

Returns: Complex value of this subtree.

Implements Node.

std::type_index Differential::getType ( ) const

inlinevirtual

Get name of this class.

Returns: Name of this class.

Implements Node.

bool Differential::isLeaf ( ) const

inlinevirtual

Override for isLeaf virtual function.

Returns: False, this node has child nodes.

Reimplemented from Node.

void Differential::normalize ( )

inlinevirtual

Refactor subtree to a standard form. For Differential class, normalize function argument.

Reimplemented from Node.

int Differential::numFactors ( ) const

inlinevirtual

Get number of factors in this node.

Returns: Number of factors in function plus this node.

Reimplemented from Node.

Differential * Differential::parse	(	Parser &	p,
		Node *	parent
	)

static

Get Differential object from Parser.

Parameters

p	Parser object.
parent	Parent for new Differential object.

Returns: Differential object or null if no differential found in parser.

bool Differential::simplify ( )

inlinevirtual

Attempt to algebraically simplify the subtree this node is the root.

Returns: True, if subtree was changed.

Reimplemented from Node.

string Differential::toString ( ) const

virtual

Get string representation of this node.

Returns: String representation.

Implements Node.

void Differential::xml_out ( XML::Stream & xml ) const

privatevirtual

Output XML of this node.

Parameters

xml	XML output stream.

Implements Node.

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

Public Member Functions

Static Public Member Functions

Static Public Attributes

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation