utility.h File Reference

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

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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 >
std::enable_if_t<!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 (string &)
void	suanpan::to_lower (string &)
string	suanpan::to_upper (const string &)
string	suanpan::to_lower (const string &)
string	suanpan::to_upper (string &&)
string	suanpan::to_lower (string &&)
std::vector< std::pair< string, unsigned > >	suanpan::expression::split (const std::string_view &variable_string)
template<typename T >
bool	get_input (istringstream &I, T &O)
template<typename T >
bool	get_input (istringstream &I, Col< T > &O)
template<typename T >
bool	get_input (istringstream &I, std::vector< T > &O)
template<typename T , typename... U>
bool	get_input (istringstream &I, T &O, U &... R)
template<typename T >
T	get_input (istringstream &I)
void	ignore_whitespace (istringstream &)
template<typename T >
bool	get_optional_input (istringstream &I, T &O)
template<typename T >
bool	get_optional_input (istringstream &I, Col< T > &O)
template<typename T , typename... U>
bool	get_optional_input (istringstream &I, T &O, U &... R)
string	get_remaining (istringstream &)
bool	is_equal (const char *, const char *)
bool	is_equal (char, char)
bool	is_equal (int, char)
bool	is_equal (const string &, const char *)
bool	is_equal (const char *, const string &)
bool	is_equal (const string &, const string &)
bool	if_contain (const string &, const char *)
bool	if_contain (const string &, const string &)
bool	if_contain (string &&, string &&)
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 string &)
bool	is_false (const string &)
bool	is_integer (const string &)
double	perturb (double, double=1E-5)

Function Documentation

get_input() [1/5]

template<typename T >

T get_input

(

istringstream &

I

)

get_input() [2/5]

template<typename T >

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

get_input() [3/5]

template<typename T >

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

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get_input() [4/5]

template<typename T >

bool get_input	(	istringstream &	I,
		T &	O )

get_input() [5/5]

template<typename T , typename... U>

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

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get_optional_input() [1/3]

template<typename T >

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

get_optional_input() [2/3]

template<typename T >

bool get_optional_input	(	istringstream &	I,
		T &	O )

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get_optional_input() [3/3]

template<typename T , typename... U>

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

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get_remaining()

string get_remaining

(

istringstream &

I

)

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if_contain() [1/4]

template<std::equality_comparable T>

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

if_contain() [2/4]

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

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if_contain() [3/4]

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

if_contain() [4/4]

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

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ignore_whitespace()

void ignore_whitespace

(

istringstream &

I

)

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is_equal() [1/6]

bool is_equal	(	char	A,
		char	B )

is_equal() [2/6]

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

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is_equal() [3/6]

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

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is_equal() [4/6]

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

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is_equal() [5/6]

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

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is_equal() [6/6]

bool is_equal	(	int	A,
		char	B )

is_false() [1/2]

bool is_false

(

const char *

S

)

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is_false() [2/2]

bool is_false

(

const string &

S

)

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is_integer()

bool is_integer

(

const 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 string &

S

)

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perturb()

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