CppClingo::Number Class Reference

An arbitrary precision integer. More...

#include <number.hh>

Public Member Functions
	Number (int32_t value) noexcept
	Construct a number from an integer.
	Number (char const *str, Base base=Base::dec)
	Construct a number from a string.
	Number (std::string_view str, Base base=Base::dec)
	Construct a number from a string.
	Number (Number const &other)
	Copy construct a number.
	Number (Number &&other) noexcept
	Move construct a number.
auto	operator= (Number const &other) -> Number &
	Copy assign a number.
auto	operator= (Number &&other) noexcept -> Number &
	Move assign a number.
	~Number () noexcept
	Destroy the number freeing associated memory.
auto	as_int () const -> std::optional< int32_t >
	Convert the number to an integer if possible.
auto	as_string () const -> std::string
	Convert the number into a string.
void	swap (Number &other) noexcept
	Swap two numbers.
auto	hash () const noexcept -> size_t
	Get a hash code of the number suitable for unordered containers.

Static Public Member Functions
static auto	from_repr (uint64_t repr) -> Number
	Construct a number from the given representation.
static auto	to_repr (Number const &num) -> uint64_t
	Get the internal representation of the number.
static auto	release (Number &num) -> uint64_t
	Get the internal representation of the number and set it to zero.

Friends
class	Impl
auto	compare (Number const &a, Number const &b) -> int
	Compare to numbers returning a comparator.
auto	compare (Number const &a, int32_t b) -> int
	Compare to numbers returning a comparator.
auto	compare (int32_t a, Number const &b) -> int
	Compare to numbers returning a comparator.
auto	operator== (Number const &a, Number const &b)
	Equality compare two numbers.
auto	operator== (int32_t a, Number const &b) -> bool
	Equality compare two numbers.
auto	operator== (Number const &a, int32_t b) -> bool
	Equality compare two numbers.
auto	operator<=> (Number const &a, Number const &b)
	Compare two numbers.
auto	operator<=> (int32_t a, Number const &b)
	Compare two numbers.
auto	operator<=> (Number const &a, int32_t b)
	Compare two numbers.
auto	operator+ (Number const &a, Number const &b) -> Number
	Sum up two numbers.
auto	operator+ (Number &&a, Number const &b) -> Number
	Sum up two numbers.
auto	operator+ (Number const &a, Number &&b) -> Number
	Sum up two numbers.
auto	operator+ (Number &&a, Number &&b) -> Number
	Sum up two numbers.
auto	operator+= (Number &a, Number const &b) -> Number &
	In place add the given number.
auto	operator+= (Number &a, Number &&b) -> Number &
	In place add the given number.
auto	operator- (Number const &a, Number const &b) -> Number
	Subtract two numbers.
auto	operator- (Number &&a, Number const &b) -> Number
	Subtract two numbers.
auto	operator- (Number const &a, Number &&b) -> Number
	Subtract two numbers.
auto	operator- (Number &&a, Number &&b) -> Number
	Subtract two numbers.
auto	operator-= (Number &a, Number const &b) -> Number &
	In place subtract the given number.
auto	operator-= (Number &a, Number &&b) -> Number &
	In place subtract the given number.
auto	operator* (Number const &a, Number const &b) -> Number
	Multiply two numbers.
auto	operator* (Number &&a, Number const &b) -> Number
	Multiply two numbers.
auto	operator* (Number const &a, Number &&b) -> Number
	Multiply two numbers.
auto	operator* (Number &&a, Number &&b) -> Number
	Multiply two numbers.
auto	operator*= (Number &a, Number const &b) -> Number &
	In place multiply the given number.
auto	operator*= (Number &a, Number &&b) -> Number &
	In place multiply the given number.
auto	operator/ (Number const &a, Number const &b) -> Number
	Divide two numbers.
auto	operator/ (Number &&a, Number const &b) -> Number
	Divide two numbers.
auto	operator/ (Number const &a, Number &&b) -> Number
	Divide two numbers.
auto	operator/ (Number &&a, Number &&b) -> Number
	Divide two numbers.
auto	operator/= (Number &a, Number const &b) -> Number &
	In place divide the given number.
auto	operator/= (Number &a, Number &&b) -> Number &
	In place divide the given number.
auto	operator% (Number const &a, Number const &b) -> Number
	Modulo of two numbers.
auto	operator% (Number &&a, Number const &b) -> Number
	Modulo of two numbers.
auto	operator% (Number const &a, Number &&b) -> Number
	Modulo of two numbers.
auto	operator% (Number &&a, Number &&b) -> Number
	Modulo of two numbers.
auto	operator%= (Number &a, Number const &b) -> Number &
	In place modulo the given number.
auto	operator%= (Number &a, Number &&b) -> Number &
	In place modulo the given number.
auto	operator- (Number const &a) -> Number
	Negate the number.
auto	operator- (Number &&a) -> Number
	Negate the number.
auto	operator~ (Number const &a) -> Number
	Binary complement of the number.
auto	operator~ (Number &&a) -> Number
	Binary complement of the number.
auto	operator& (Number const &a, Number const &b) -> Number
	Binary and of the two numbers.
auto	operator& (Number &&a, Number const &b) -> Number
	Binary and of the two numbers.
auto	operator& (Number const &a, Number &&b) -> Number
	Binary and of the two numbers.
auto	operator& (Number &&a, Number &&b) -> Number
	Binary and of the two numbers.
auto	operator&= (Number &a, Number const &b) -> Number &
	In place binary and the given number.
auto	operator&= (Number &a, Number &&b) -> Number &
	In place binary and the given number.
auto	operator| (Number const &a, Number const &b) -> Number
	Binary or of two numbers.
auto	operator| (Number &&a, Number const &b) -> Number
	Binary or of two numbers.
auto	operator| (Number const &a, Number &&b) -> Number
	Binary or of two numbers.
auto	operator| (Number &&a, Number &&b) -> Number
	Binary or of two numbers.
auto	operator|= (Number &a, Number const &b) -> Number &
	In place binary or the given number.
auto	operator|= (Number &a, Number &&b) -> Number &
	In place binary or the given number.
auto	operator^ (Number const &a, Number const &b) -> Number
	Binary xor of two numbers.
auto	operator^ (Number &&a, Number const &b) -> Number
	Binary xor of two numbers.
auto	operator^ (Number const &a, Number &&b) -> Number
	Binary xor of two numbers.
auto	operator^ (Number &&a, Number &&b) -> Number
	Binary xor of two numbers.
auto	operator^= (Number &a, Number const &b) -> Number &
	In place binary xor the given number.
auto	operator^= (Number &a, Number &&b) -> Number &
	In place binary xor the given number.
auto	pow (Number const &a, Number const &b) -> Number
	Exponentiation of two numbers.
auto	pow (Number &&a, Number const &b) -> Number
	Exponentiation of two numbers.
auto	pow (Number const &a, Number &&b) -> Number
	Exponentiation of two numbers.
auto	pow (Number &&a, Number &&b) -> Number
	Exponentiation of two numbers.
auto	abs (Number const &a) -> Number
	Get absolute of the given number.
auto	abs (Number &&a) -> Number
	Get absolute of the given number.
auto	get_sign (Number const &a) -> int
	Get the sign of the given number.
auto	operator<< (std::ostream &out, Number const &num) -> std::ostream &
	Output the given number.
auto	operator<< (Util::OutputBuffer &out, Number const &num) -> Util::OutputBuffer &
	Output the given number.
void	append (Util::OutputBuffer &out, Number const &num, int base)
	Output the given number with the given base.

Detailed Description

An arbitrary precision integer.

Directly stores a 32bit integer if possible and otherwise a pointer to an arbitrary size integer.

Member Function Documentation

release()

static auto CppClingo::Number::release ( Number &  num ) -> uint64_t

inlinestatic

Get the internal representation of the number and set it to zero.

A new number can be constructed from the given representation.

to_repr()

static auto CppClingo::Number::to_repr ( Number const &  num ) -> uint64_t

inlinestatic

Get the internal representation of the number.

Can be used with release() below.

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

• clingo/core/number.hh