number_long Class Reference

#include <number_impl.hpp>

Inheritance diagram for number_long:

List of all members.

Public Member Functions
	number_long (long value)
long	value () const
virtual number_impl *	promote_to_void ()
virtual number_impl *	promote_to_rational ()
virtual number_impl *	promote_to_double ()
Private Member Functions
virtual std::string	do_to_string () const
virtual void	do_save (std::ostream &stream) const
virtual bool	do_equals (number_impl const &rhs) const
virtual bool	do_less (number_impl const &rhs) const
virtual number_impl *	do_add (number_impl const &rhs)
virtual number_impl *	do_subtract (number_impl const &rhs)
virtual number_impl *	do_multiply (number_impl const &rhs)
virtual number_impl *	do_divide (number_impl const &rhs)
virtual number_impl *	do_promote (number_impl &rhs) const
Private Attributes
long	value_

---

Detailed Description

Represent an integer. For the greatest range, always use long to represent integers.

Definition at line 95 of file number_impl.hpp.

---

Constructor & Destructor Documentation

number_long::number_long

(

long

value

)

[inline]

Definition at line 97 of file number_impl.hpp.

Referenced by do_add(), do_multiply(), and do_subtract().

: number_impl(), value_(value) {}

---

Member Function Documentation

long number_long::value

(

)

const [inline]

Definition at line 98 of file number_impl.hpp.

References value_.

Referenced by do_add(), do_divide(), do_equals(), do_less(), do_multiply(), do_save(), do_subtract(), do_to_string(), promote_to_double(), and promote_to_rational().

{ return value_; }

number_impl * number_long::promote_to_void

(

)

[virtual]

Reimplemented from number_impl.

Definition at line 249 of file number_impl.cpp.

{
  return new number_void();
}

number_impl * number_long::promote_to_rational

(

)

[virtual]

Reimplemented from number_impl.

Definition at line 254 of file number_impl.cpp.

References value().

{
  return new number_rational(value());
}

number_impl * number_long::promote_to_double

(

)

[virtual]

Reimplemented from number_impl.

Definition at line 259 of file number_impl.cpp.

References value().

{
  return new number_double(value());
}

std::string number_long::do_to_string

(

)

const [private, virtual]

Implements number_impl.

Definition at line 194 of file number_impl.cpp.

References value().

{
  std::ostringstream stream;
  stream << value();
  return stream.str();
}

void number_long::do_save

(

std::ostream &

stream

)

const [private, virtual]

Implements number_impl.

Definition at line 202 of file number_impl.cpp.

References value().

{
  stream << "long " << value() << ' ';
}

bool number_long::do_equals

(

number_impl const &

rhs

)

const [private, virtual]

Implements number_impl.

Definition at line 208 of file number_impl.cpp.

References value().

{
  return value() == dynamic_cast<number_long const&>(rhs).value();
}

bool number_long::do_less

(

number_impl const &

rhs

)

const [private, virtual]

Implements number_impl.

Definition at line 214 of file number_impl.cpp.

References value().

{
  return value() < dynamic_cast<number_long const&>(rhs).value();
}

number_impl * number_long::do_add

(

number_impl const &

rhs

)

[private, virtual]

Implements number_impl.

Definition at line 220 of file number_impl.cpp.

References number_long(), value(), and value_.

{
  return new number_long(value_ + dynamic_cast<number_long const&>(rhs).value());
}

number_impl * number_long::do_subtract

(

number_impl const &

rhs

)

[private, virtual]

Implements number_impl.

Definition at line 225 of file number_impl.cpp.

References number_long(), value(), and value_.

{
  return new number_long(value_ - dynamic_cast<number_long const&>(rhs).value());
}

number_impl * number_long::do_multiply

(

number_impl const &

rhs

)

[private, virtual]

Implements number_impl.

Definition at line 230 of file number_impl.cpp.

References number_long(), value(), and value_.

{
  return new number_long(value_ * dynamic_cast<number_long const&>(rhs).value());
}

number_impl * number_long::do_divide

(

number_impl const &

rhs

)

[private, virtual]

Implements number_impl.

Definition at line 235 of file number_impl.cpp.

References value(), and value_.

{
  long right = dynamic_cast<number_long const&>(rhs).value();
  if (right == 0)
    throw calc_error("division by zero");
  return new number_rational(value_, right);
}

number_impl * number_long::do_promote

(

number_impl &

rhs

)

const [private, virtual]

Implements number_impl.

Definition at line 243 of file number_impl.cpp.

References number_impl::promote_to_long().

{
  return rhs.promote_to_long();
}

---

Member Data Documentation

long number_long::value_ [private]

Definition at line 113 of file number_impl.hpp.

Referenced by do_add(), do_divide(), do_multiply(), do_subtract(), and value().

---

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

• number_impl.hpp
• number_impl.cpp

---