node_subtract Class Reference

#include <node_impl.hpp>

Inheritance diagram for node_subtract:

node_binary node_impl

List of all members.

Public Member Functions

 node_subtract (node left, node right)
 node_subtract (std::istream &stream)

Private Member Functions

virtual void print_node (std::ostream &stream, int indent) const
virtual double evaluate_node () const
virtual void save_node (std::ostream &stream) const


Detailed Description

Subtraction.

Definition at line 192 of file node_impl.hpp.


Constructor & Destructor Documentation

node_subtract::node_subtract ( node  left,
node  right 
)

Definition at line 474 of file node_impl.cpp.

00475 : node_binary(left, right)
00476 {}

node_subtract::node_subtract ( std::istream &  stream  ) 

Definition at line 478 of file node_impl.cpp.

00479 : node_binary(stream)
00480 {}


Member Function Documentation

void node_subtract::print_node ( std::ostream &  stream,
int  indent 
) const [private, virtual]

Implements node_binary.

Definition at line 482 of file node_impl.cpp.

References node_binary::left(), node::print(), and node_binary::right().

00484 {
00485   stream << std::setw(indent) << "" << "-\n";
00486   left().print(stream, indent + 2);
00487   right().print(stream, indent + 2);
00488 }

double node_subtract::evaluate_node (  )  const [private, virtual]

Implements node_binary.

Definition at line 490 of file node_impl.cpp.

References node_binary::evaluate_left(), and node_binary::evaluate_right().

00492 {
00493   return evaluate_left() - evaluate_right();
00494 }

void node_subtract::save_node ( std::ostream &  stream  )  const [private, virtual]

Implements node_binary.

Definition at line 496 of file node_impl.cpp.

References node_binary::left(), node_binary::right(), and node::save().

00498 {
00499   stream << "subtract ";
00500   left().save(stream);
00501   right().save(stream);
00502 }


The documentation for this class was generated from the following files:
Generated on Sun Nov 30 10:05:50 2008 for Calculator by  doxygen 1.5.3