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SignumNode Class Reference

A signum function in a syntax tree. More...

#include <signum.h>

Inheritance diagram for SignumNode:
Collaboration diagram for SignumNode:

Public Member Functions

 SignumNode (ExpressionNode *expression, char *text, char *sys)
NumberEvaluate ()
- Public Member Functions inherited from FunctionNode
 FunctionNode (ExpressionNode *expression, char *text, char *sys)
 ~FunctionNode ()
int GetPrecedence ()
char * GetText ()
virtual SyntaxNodeGetNext ()
virtual void Attach (SyntaxNode *node)
virtual void Detach (SyntaxNode *node)
virtual void Replace (SyntaxNode *n, SyntaxNode *x)
- Public Member Functions inherited from ExpressionNode
 ExpressionNode ()
 ExpressionNode (Number *value)
virtual ~ExpressionNode ()
NodeType GetNodeType ()
virtual bool IsSilent ()
char * GetTextCode ()
char * Execute ()
- Public Member Functions inherited from SyntaxNode
 SyntaxNode ()
virtual ~SyntaxNode ()
void SetFirstNode ()
bool GetFirstNode () const
SyntaxNodeGetParent () const
void SetParent (SyntaxNode *node)
virtual ReductionType GetReductionType ()
virtual void ResetIterator ()

Static Public Member Functions

static FunctionNodeCreate (ExpressionNode *expression, char *text, char *sys)

Additional Inherited Members

- Protected Member Functions inherited from FunctionNode
virtual char * GetNodeText ()
- Protected Attributes inherited from FunctionNode
char * name
char * sysname
- Protected Attributes inherited from ExpressionNode
- Protected Attributes inherited from SyntaxNode
bool leftBottom

Detailed Description

A signum function in a syntax tree.

Extracts the sign of a real number. See Number for implementation.

More info on the signum function is available at Wikipedia:

Definition at line 44 of file signum.h.

Constructor & Destructor Documentation

◆ SignumNode()

SignumNode::SignumNode ( ExpressionNode expression,
char *  text,
char *  sys 

Definition at line 32 of file signum.cpp.

References FunctionNode::FunctionNode().

Referenced by Create().

32  :
33  FunctionNode(expression, text, sys)
34 {
35 }
FunctionNode(ExpressionNode *expression, char *text, char *sys)
Definition: node.cpp:34
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Member Function Documentation

◆ Create()

FunctionNode * SignumNode::Create ( ExpressionNode expression,
char *  text,
char *  sys 

Definition at line 37 of file signum.cpp.

References SignumNode().

38 {
39  return new SignumNode(expression, text, sys);
40 }
SignumNode(ExpressionNode *expression, char *text, char *sys)
Definition: signum.cpp:32
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◆ Evaluate()

Number * SignumNode::Evaluate ( )

Implements ExpressionNode.

Definition at line 42 of file signum.cpp.

References ExpressionNode::Evaluate(), FunctionNode::expression, ExpressionNode::result, and Number::Signum().

43 {
45  return result;
46 }
virtual Number * Evaluate()=0
Number * result
Definition: nodes.h:116
virtual Number * Signum()=0
ExpressionNode * expression
Definition: node.h:66
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The documentation for this class was generated from the following files: