libdar::infinint Class Reference

the arbitrary large positive integer class More...

#include <real_infinint.hpp>

Collaboration diagram for libdar::infinint:

Public Member Functions
	infinint (size_t a=0)
	infinint (proto_generic_file &x)
	read an infinint from a file
	infinint (const infinint &ref)
	infinint (infinint &&ref) noexcept
infinint &	operator= (const infinint &ref)
infinint &	operator= (infinint &&ref) noexcept
void	dump (proto_generic_file &x) const
void	read (proto_generic_file &f)
infinint &	operator+= (const infinint &ref)
infinint &	operator-= (const infinint &ref)
infinint &	operator*= (unsigned char arg)
infinint &	operator*= (const infinint &ref)
template<class T >
infinint	power (const T &exponent) const
infinint &	operator/= (const infinint &ref)
infinint &	operator%= (const infinint &ref)
infinint &	operator&= (const infinint &ref)
infinint &	operator|= (const infinint &ref)
infinint &	operator^= (const infinint &ref)
infinint &	operator>>= (U_32 bit)
infinint &	operator>>= (infinint bit)
infinint &	operator<<= (U_32 bit)
infinint &	operator<<= (infinint bit)
infinint	operator++ (int a)
infinint	operator-- (int a)
infinint &	operator++ ()
infinint &	operator-- ()
U_32	operator% (U_32 arg) const
template<class T >
void	unstack (T &v)
	convert infinint to standard interger types More...
infinint	get_storage_size () const noexcept
	it returns number of byte of information necessary to store the integer
unsigned char	operator[] (const infinint &position) const
	return in little endian order the information byte storing the integer
bool	is_zero () const

Static Public Member Functions
static bool	is_system_big_endian ()

Private Types
enum	endian { big_endian , little_endian , not_initialized }
using	group = unsigned char[TG]

Private Member Functions
bool	is_valid () const noexcept
void	build_from_file (proto_generic_file &x)
void	reduce ()
void	copy_from (const infinint &ref)
void	move_from (infinint &&ref) noexcept
void	detruit ()
void	make_at_least_as_wider_as (const infinint &ref)
template<class T >
void	infinint_from (T a)
template<class T >
T	max_val_of (T x)
template<class T >
void	infinint_unstack_to (T &a)
template<class T >
T	modulo (T arg) const
signed int	difference (const infinint &b) const

Static Private Member Functions
static void	setup_endian ()

Private Attributes
storage *	field

Static Private Attributes
static constexpr int	TG = 4
static endian	used_endian
static U_8	zeroed_field [ZEROED_SIZE]

Friends
bool	operator< (const infinint &, const infinint &)
bool	operator== (const infinint &, const infinint &)
bool	operator> (const infinint &, const infinint &)
bool	operator<= (const infinint &, const infinint &)
bool	operator!= (const infinint &, const infinint &)
bool	operator>= (const infinint &, const infinint &)
void	euclide (infinint a, const infinint &b, infinint &q, infinint &r)

Detailed Description

the arbitrary large positive integer class

can only handle positive integer numbers

Note

if you just want to convert an infinint integer to its decimal representation see the class libdar::deci

Definition at line 61 of file real_infinint.hpp.

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

• real_infinint.hpp