Dune::bigunsignedint< k > Class Template Reference

Portable very large unsigned integers. More...

#include <dune/common/bigunsignedint.hh>

Public Types
enum	{   bits =std::numeric_limits<std::uint16_t>::digits, n =k/bits+(kbits!=0), hexdigits =4, bitmask =0xFFFF,   compbitmask =0xFFFF0000, overflowmask =0x1 }

Public Member Functions
	bigunsignedint ()
	Construct uninitialized. More...
template<typename Signed >
	bigunsignedint (Signed x, typename std::enable_if< std::is_integral< Signed >::value &&std::is_signed< Signed >::value >::type *=0)
	Construct from signed int. More...
	bigunsignedint (std::uintmax_t x)
	Construct from unsigned int. More...
void	print (std::ostream &s) const
	Print number in hex notation. More...
bigunsignedint< k >	operator+ (const bigunsignedint< k > &x) const
	add More...
bigunsignedint< k >	operator- (const bigunsignedint< k > &x) const
	subtract More...
bigunsignedint< k >	operator* (const bigunsignedint< k > &x) const
	multiply More...
bigunsignedint< k > &	operator++ ()
	prefix increment More...
bigunsignedint< k >	operator/ (const bigunsignedint< k > &x) const
bigunsignedint< k >	operator% (const bigunsignedint< k > &x) const
bigunsignedint< k >	operator& (const bigunsignedint< k > &x) const
	bitwise and More...
bigunsignedint< k >	operator^ (const bigunsignedint< k > &x) const
	bitwise exor More...
bigunsignedint< k >	operator| (const bigunsignedint< k > &x) const
	bitwise or More...
bigunsignedint< k >	operator~ () const
	bitwise komplement More...
bigunsignedint< k >	operator<< (int i) const
	left shift1/ More...
bigunsignedint< k >	operator>> (int i) const
	right shift More...
bool	operator< (const bigunsignedint< k > &x) const
	less than More...
bool	operator<= (const bigunsignedint< k > &x) const
	less than or equal More...
bool	operator> (const bigunsignedint< k > &x) const
	greater than More...
bool	operator>= (const bigunsignedint< k > &x) const
	greater or equal More...
bool	operator== (const bigunsignedint< k > &x) const
	equal More...
bool	operator!= (const bigunsignedint< k > &x) const
	not equal More...
std::uint_least32_t	touint () const
	export to other types More...
double	todouble () const
	Convert to a double. More...

Friends
std::size_t	hash_value (const bigunsignedint &arg)

Detailed Description

template<int k>
class Dune::bigunsignedint< k >

Portable very large unsigned integers.

Implements (arbitrarily) large unsigned integers to be used as global ids in some grid managers. Size is a template parameter.

Template Parameters

k	Number of bits of the integer type

Member Enumeration Documentation

template<int k>

anonymous enum

Enumerator
bits
n
hexdigits
bitmask
compbitmask
overflowmask

Friends And Related Function Documentation

template<int k>

std::size_t hash_value ( const bigunsignedint< k > &  arg )

friend

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

• bigunsignedint.hh