rpnlessthanequal Class Reference

#include <rpnfunc.h>

Inheritance diagram for rpnlessthanequal:

Collaboration diagram for rpnlessthanequal:

List of all members.

Public Member Functions

rpnlessthanequal ()

rpnlessthanequal (deque< rpnbase * > &ds, bool const evaluate=true)

~rpnlessthanequal ()

rpnbase * copy () const

void visit (deque< rpnbase * > &ds, rpnreal &n)

void visit (deque< rpnbase * > &ds, rpninteger &n)

string const name () const

void eval (deque< rpnbase * > &ds)

Detailed Description

Definition at line 743 of file rpnfunc.h.

Constructor & Destructor Documentation

rpnlessthanequal::rpnlessthanequal ( ) [inline]

Definition at line 747 of file rpnfunc.h.

Referenced by copy().

00747 {}

rpnlessthanequal::rpnlessthanequal	(	deque< rpnbase * > &	ds,
		bool const	evaluate = `true`
	)

Definition at line 2031 of file rpnfunc.cpp.

References eval().

02032 {
02033   if (evaluate)
02034     eval(ds);
02035   else
02036     ds.push_front(this);
02037 }

rpnlessthanequal::~rpnlessthanequal ( ) [inline]

Definition at line 749 of file rpnfunc.h.

00749 {}

Member Function Documentation

rpnbase * rpnlessthanequal::copy ( ) const [virtual]

Reimplemented from rpnfunction.

Definition at line 2039 of file rpnfunc.cpp.

References rpnlessthanequal().

02040 {
02041   return new rpnlessthanequal();
02042 }

void rpnlessthanequal::eval ( deque< rpnbase * > & ds ) [virtual]

Reimplemented from rpnfunction.

Definition at line 2044 of file rpnfunc.cpp.

References rpnbase::accept(), and rpnbase::dec().

Referenced by rpnlessthanequal().

02045 {
02046   if (ds.size()>1)
02047     ds[0]->accept(ds,*this);
02048 
02049   dec();
02050 }

string const rpnlessthanequal::name ( ) const [inline, virtual]

Reimplemented from rpnfunction.

Definition at line 755 of file rpnfunc.h.

00755 { return string("<="); }

void rpnlessthanequal::visit	(	deque< rpnbase * > &	ds,
		rpninteger &	n
	)			`[virtual]`

Reimplemented from rpnfunction.

Definition at line 2073 of file rpnfunc.cpp.

References rpnbase::dec(), rpnbase::isinteger(), rpnbase::isreal(), and rpninteger::num.

02074 {
02075   rpnbase* x0 = ds.front();
02076   ds.pop_front();
02077   rpnbase* x1 = ds.front();
02078   ds.pop_front();
02079 
02080   if ( x1->isreal())
02081   {
02082     new rpninteger(ds, ((rpnreal*)x1)->num <= n.num );
02083   }
02084   else
02085   if ( x1->isinteger())
02086   {
02087     new rpninteger(ds, ((rpninteger*)x1)->num <= n.num );
02088   }
02089 
02090   x0->dec();
02091   x1->dec();
02092 }

void rpnlessthanequal::visit	(	deque< rpnbase * > &	ds,
		rpnreal &	n
	)			`[virtual]`

Reimplemented from rpnfunction.

Definition at line 2052 of file rpnfunc.cpp.

References rpnbase::dec(), rpnbase::isinteger(), rpnbase::isreal(), and rpnreal::num.

02053 {
02054   rpnbase* x0 = ds.front();
02055   ds.pop_front();
02056   rpnbase* x1 = ds.front();
02057   ds.pop_front();
02058 
02059   if ( x1->isinteger())
02060   {
02061     new rpninteger(ds, ((rpninteger*)x1)->num <= n.num );
02062   }
02063   else
02064   if (x1->isreal())
02065   {
02066     new rpninteger(ds, ((rpnreal*)x1)->num <= n.num );
02067   }
02068 
02069   x0->dec();
02070   x1->dec();
02071 }

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

rpn/rpnfunc.h
rpn/rpnfunc.cpp


Public Member Functions
	rpnlessthanequal ()
	rpnlessthanequal (deque< rpnbase * > &ds, bool const evaluate=true)
	~rpnlessthanequal ()
rpnbase *	copy () const
void	visit (deque< rpnbase * > &ds, rpnreal &n)
void	visit (deque< rpnbase * > &ds, rpninteger &n)
string const	name () const
void	eval (deque< rpnbase * > &ds)