utility.h File Reference

#include <concepts>
#include <set>
#include <suanPan.h>

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Namespaces
namespace	suanpan
namespace	suanpan::expression

Functions
template<typename T >
constexpr const T &	suanpan::middle (const std::vector< T > &container)
template<sp_i IT, std::invocable< IT > F>
void	suanpan::for_each (const IT start, const IT end, F &&FN)
template<sp_i IT, std::invocable< IT > F>
void	suanpan::for_each (const IT end, F &&FN)
template<typename T >
constexpr T	suanpan::max_element (T start, T end)
template<typename T >
const std::vector< T > &	suanpan::unique (std::vector< T > &container)
template<class Container , class Handler > requires requires(Container x) { x.begin(); x.end(); }
auto	suanpan::all_of (Container &target, Handler &&func)
template<class Container , class Handler > requires requires(Container x) { x.begin(); x.end(); }
auto	suanpan::none_of (Container &target, Handler &&func)
template<class Container , class Handler > requires requires(Container x) { x.begin(); x.end(); }
auto	suanpan::any_of (Container &target, Handler &&func)
template<typename T >
constexpr T &	suanpan::hacker (const T &I)
template<typename T >
constexpr T *&	suanpan::hacker (const T *const &I)
template<typename T > requires std::signed_integral<T> || std::floating_point<T>
constexpr T	suanpan::sign (const T I)
template<std::floating_point T>
constexpr T	suanpan::clamp (const T c, T a, T b)
template<std::floating_point T>
constexpr T	suanpan::clamp_unit (const T c)
template<std::floating_point T>
bool	suanpan::approx_equal (const T x, const T y, int ulp=2)
unsigned long long	suanpan::binomial (unsigned long long, unsigned long long)
char	suanpan::to_upper (char)
char	suanpan::to_lower (char)
void	suanpan::to_upper (std::string &)
void	suanpan::to_lower (std::string &)
std::string	suanpan::to_upper (const std::string &)
std::string	suanpan::to_lower (const std::string &)
std::string	suanpan::to_upper (std::string &&)
std::string	suanpan::to_lower (std::string &&)
std::vector< std::pair< std::string, unsigned > >	suanpan::expression::split (std::string_view variable_string)
template<typename T >
bool	get_input (std::istringstream &stream, T &output)
template<typename T >
bool	get_input (std::istringstream &stream, Col< T > &output)
template<typename T , typename... U>
bool	get_input (std::istringstream &stream, T &output, U &... rest)
template<typename... Ts>
bool	get_input (std::istringstream &stream, std::tuple< Ts... > &output)
template<typename T >
auto	get_remaining (std::istringstream &stream)
template<typename T >
auto	get_remaining_as_set (std::istringstream &stream)
template<typename T1 , typename T2 , typename... Ts>
auto	get_remaining (std::istringstream &stream)
template<typename... Ts>
auto	get_remaining_as_tuple (std::istringstream &stream)
template<typename T >
T	get_input (std::istringstream &stream)
void	ignore_whitespace (std::istringstream &)
template<typename T >
bool	get_optional_input (std::istringstream &stream, T &output)
template<typename T >
bool	get_optional_input (std::istringstream &stream, Col< T > &output)
template<typename T , typename... U>
bool	get_optional_input (std::istringstream &stream, T &output, U &... rest)
std::string	get_remaining (std::istringstream &)
bool	is_equal (char, char)
bool	is_equal (int, char)
bool	is_equal (std::string_view, std::string_view)
template<typename... S>
bool	is_equal_any (std::string_view a, S... rest)
bool	if_startswith (std::string_view, std::string_view)
bool	if_contain (const std::string &, const char *)
bool	if_contain (const std::string &, const std::string &)
bool	is_true (std::string_view)
bool	is_false (std::string_view)
bool	is_integer (const std::string &)
double	perturb (double, double=1E-5)

Function Documentation

get_input() [1/5]

template<typename T >

T get_input

(

std::istringstream &

stream

)

get_input() [2/5]

template<typename T >

bool get_input	(	std::istringstream &	stream,
		Col< T > &	output
	)

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get_input() [3/5]

template<typename... Ts>

bool get_input	(	std::istringstream &	stream,
		std::tuple< Ts... > &	output
	)

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get_input() [4/5]

template<typename T >

bool get_input	(	std::istringstream &	stream,
		T &	output
	)

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get_input() [5/5]

template<typename T , typename... U>

bool get_input	(	std::istringstream &	stream,
		T &	output,
		U &...	rest
	)

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get_optional_input() [1/3]

template<typename T >

bool get_optional_input	(	std::istringstream &	stream,
		Col< T > &	output
	)

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get_optional_input() [2/3]

template<typename T >

bool get_optional_input	(	std::istringstream &	stream,
		T &	output
	)

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get_optional_input() [3/3]

template<typename T , typename... U>

bool get_optional_input	(	std::istringstream &	stream,
		T &	output,
		U &...	rest
	)

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get_remaining() [1/3]

std::string get_remaining

(

std::istringstream &

I

)

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get_remaining() [2/3]

template<typename T >

auto get_remaining

(

std::istringstream &

stream

)

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get_remaining() [3/3]

template<typename T1 , typename T2 , typename... Ts>

auto get_remaining

(

std::istringstream &

stream

)

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get_remaining_as_set()

template<typename T >

auto get_remaining_as_set

(

std::istringstream &

stream

)

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get_remaining_as_tuple()

template<typename... Ts>

auto get_remaining_as_tuple

(

std::istringstream &

stream

)

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if_contain() [1/2]

bool if_contain	(	const std::string &	A,
		const char *	B
	)

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if_contain() [2/2]

bool if_contain	(	const std::string &	A,
		const std::string &	B
	)

if_startswith()

bool if_startswith	(	std::string_view	A,
		std::string_view	B
	)

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ignore_whitespace()

void ignore_whitespace

(

std::istringstream &

I

)

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is_equal() [1/3]

bool is_equal	(	char	A,
		char	B
	)

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is_equal() [2/3]

bool is_equal	(	int	A,
		char	B
	)

is_equal() [3/3]

bool is_equal	(	std::string_view	A,
		std::string_view	B
	)

is_equal_any()

template<typename... S>

bool is_equal_any	(	std::string_view	a,
		S...	rest
	)

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is_false()

bool is_false

(

std::string_view

S

)

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is_integer()

bool is_integer

(

const std::string &

S

)

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is_true()

bool is_true

(

std::string_view

S

)

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perturb()

double perturb	(	double	input,
		double	fraction = 1E-5
	)