utility.h File Reference

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

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Namespaces
namespace	suanpan
namespace	suanpan::expression

Functions
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<typename T >
constexpr T &	suanpan::hacker (const T &I)
template<typename T >
constexpr T *&	suanpan::hacker (const T *const &I)
template<typename T >
T	suanpan::sign (const T &I)
template<typename T >
constexpr T	suanpan::clamp (T c, T a, T b)
template<typename T >
constexpr T	suanpan::clamp_unit (T c)
template<typename T > requires (!std::numeric_limits<T>::is_integer)
bool	suanpan::approx_equal (T x, 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 &I, T &O)
template<typename T >
bool	get_input (std::istringstream &I, Col< T > &O)
template<typename T , typename... U>
bool	get_input (std::istringstream &I, T &O, U &... R)
template<typename T >
T	get_input (std::istringstream &I)
void	ignore_whitespace (std::istringstream &)
template<typename T >
bool	get_optional_input (std::istringstream &I, T &O)
template<typename T >
bool	get_optional_input (std::istringstream &I, Col< T > &O)
template<typename T , typename... U>
bool	get_optional_input (std::istringstream &I, T &O, U &... R)
template<typename T >
auto	get_remaining (std::istringstream &I)
template<typename T1 , typename T2 >
auto	get_remaining (std::istringstream &I)
template<typename T1 , typename T2 , typename T3 >
auto	get_remaining (std::istringstream &I)
template<typename T1 , typename T2 , typename T3 , typename T4 >
auto	get_remaining (std::istringstream &I)
template<typename T1 , typename T2 , typename T3 , typename T4 , typename T5 >
auto	get_remaining (std::istringstream &I)
std::string	get_remaining (std::istringstream &)
bool	is_equal (const char *, const char *)
bool	is_equal (char, char)
bool	is_equal (int, char)
bool	is_equal (const std::string &, const char *)
bool	is_equal (const char *, const std::string &)
bool	is_equal (const std::string &, const std::string &)
bool	is_equal (std::string_view, const char *)
bool	is_equal (const char *, std::string_view)
bool	if_contain (const std::string &, const char *)
bool	if_contain (const std::string &, const std::string &)
bool	if_contain (std::string &&, std::string &&)
bool	if_startswith (std::string_view, std::string_view)
template<std::equality_comparable T>
std::pair< bool, std::int64_t >	if_contain (const std::vector< T > &container, const T target)
bool	is_true (const char *)
bool	is_false (const char *)
bool	is_true (const std::string &)
bool	is_false (const std::string &)
bool	is_integer (const std::string &)
double	perturb (double, double=1E-5)

Function Documentation

get_input() [1/4]

template<typename T >

T get_input

(

std::istringstream &

I

)

get_input() [2/4]

template<typename T >

bool get_input	(	std::istringstream &	I,
		Col< T > &	O
	)

get_input() [3/4]

template<typename T >

bool get_input	(	std::istringstream &	I,
		T &	O
	)

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get_input() [4/4]

template<typename T , typename... U>

bool get_input	(	std::istringstream &	I,
		T &	O,
		U &...	R
	)

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get_optional_input() [1/3]

template<typename T >

bool get_optional_input	(	std::istringstream &	I,
		Col< T > &	O
	)

get_optional_input() [2/3]

template<typename T >

bool get_optional_input	(	std::istringstream &	I,
		T &	O
	)

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get_optional_input() [3/3]

template<typename T , typename... U>

bool get_optional_input	(	std::istringstream &	I,
		T &	O,
		U &...	R
	)

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get_remaining() [1/6]

std::string get_remaining

(

std::istringstream &

I

)

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get_remaining() [2/6]

template<typename T >

auto get_remaining

(

std::istringstream &

I

)

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get_remaining() [3/6]

template<typename T1 , typename T2 >

auto get_remaining

(

std::istringstream &

I

)

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get_remaining() [4/6]

template<typename T1 , typename T2 , typename T3 >

auto get_remaining

(

std::istringstream &

I

)

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get_remaining() [5/6]

template<typename T1 , typename T2 , typename T3 , typename T4 >

auto get_remaining

(

std::istringstream &

I

)

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get_remaining() [6/6]

template<typename T1 , typename T2 , typename T3 , typename T4 , typename T5 >

auto get_remaining

(

std::istringstream &

I

)

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if_contain() [1/4]

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

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if_contain() [2/4]

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

if_contain() [3/4]

template<std::equality_comparable T>

std::pair< bool, std::int64_t > if_contain	(	const std::vector< T > &	container,
		const T	target
	)

if_contain() [4/4]

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

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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() [1/8]

bool is_equal	(	char	A,
		char	B
	)

is_equal() [2/8]

bool is_equal	(	const char *	A,
		const char *	B
	)

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is_equal() [3/8]

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

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is_equal() [4/8]

bool is_equal	(	const char *	A,
		std::string_view	B
	)

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is_equal() [5/8]

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

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is_equal() [6/8]

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

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is_equal() [7/8]

bool is_equal	(	int	A,
		char	B
	)

is_equal() [8/8]

bool is_equal	(	std::string_view	A,
		const char *	B
	)

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is_false() [1/2]

bool is_false

(

const char *

S

)

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is_false() [2/2]

bool is_false

(

const std::string &

S

)

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is_integer()

bool is_integer

(

const std::string &

S

)

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is_true() [1/2]

bool is_true

(

const char *

S

)

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is_true() [2/2]

bool is_true

(

const std::string &

S

)

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perturb()

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