rpnfactorial Class Reference

#include <rpnfunc.h>

Inheritance diagram for rpnfactorial:

Collaboration diagram for rpnfactorial:

List of all members.

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

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Detailed Description

Definition at line 1354 of file rpnfunc.h.

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Constructor & Destructor Documentation

rpnfactorial::rpnfactorial

(

)

[inline]

Definition at line 1358 of file rpnfunc.h.

Referenced by copy().

{}

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

Definition at line 4172 of file rpnfunc.cpp.

References eval().

{
  if (evaluate)
    eval(ds);
  else
    ds.push_front(this);
}

rpnfactorial::~rpnfactorial

(

)

[inline]

Definition at line 1360 of file rpnfunc.h.

{}

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Member Function Documentation

rpnbase * rpnfactorial::copy

(

)

const [virtual]

Reimplemented from rpnfunction.

Definition at line 4180 of file rpnfunc.cpp.

References rpnfactorial().

{
  return new rpnfactorial();
}

void rpnfactorial::eval

(

deque< rpnbase * > &

ds

)

[virtual]

Reimplemented from rpnfunction.

Definition at line 4185 of file rpnfunc.cpp.

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

Referenced by rpnfactorial().

{
  if(!ds.empty())
    ds[0]->accept(ds,*this);

  dec();
}

string const rpnfactorial::name

(

)

const [inline, virtual]

Reimplemented from rpnfunction.

Definition at line 1365 of file rpnfunc.h.

{ return string("factorial"); }

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

Reimplemented from rpnfunction.

Definition at line 4193 of file rpnfunc.cpp.

References rpninteger::num.

{
  if (n.num<0)
    return;

  long int num(1);
  for (long int i=1; i<=n.num; ++i)
    num *= i;

  n.num = num;
}

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

• rpn/rpnfunc.h
• rpn/rpnfunc.cpp