Functions
template<typename DataType_ >
void	serialize_to_file (DataType_ data, const std::string filepath)
	Serializes the given data into the file using cereal lib. More...

template<typename DataType_ >
DataType_	deserialize_from_file (const std::string filepath)
	Deserializes the data from the provided file using cereal lib. More...

int64_t	timestamp ()
	Returns the actual UNIX timestamp (ms). More...

std::string	get_formated_timestamp (const std::string &fmt, UnixTimestamp ts=timestamp())
	Returns string representing current time and date in formated string based on provided format. More...

int	str_to_int (const std::string &str)
	Tries to parse the integer from the string. More...

template<typename T_ >
T_	irand (T_ from, T_ to)
	Returns a pseudorandom integral number sampled from the uniform distribution [from, to]. More...

template<typename T_ >
T_	frand (T_ from, T_ to)
	Returns a pseudorandom floating point number sampled from the uniform distribution [from, to). More...

std::vector< std::string >	split (const std::string &str, char delim)
	Splits the string with the provided character delimiter. More...

template<typename T_ >
bool	is_set (T_ mask, size_t i)
	Tests whether the `i`-th lowest significant bit is set. More...

template<typename Container_ >
void	print_matrix (const Container_ &mat)
	Prints out any two-dimensional iterable container. More...

template<typename Container_ >
void	print_vector (const Container_ &row)
	Prints out any one-dimensional iterable container. More...

std::string	to_lowercase (const std::string &old)
	Returns a copy of old string but all lowercase. More...

std::string	sha256_sum (const std::string &filepath)
	Computes the SHA256 hash for the given file and returns it. More...

std::string	read_whole_file (const std::string &filepath)
	Reads the whole file into string that it will return. More...

std::string	trim_left (const std::string &s)
	Left trim. More...

std::string	trim_right (const std::string &s)
	Right trim. More...

std::string	trim (const std::string &s)
	Trim. More...

template<typename DType_ >
void	to_file (const std::vector< DType_ > &vec, const std::string filepath)
	Writes the given vector into the given file. More...

template<typename DType_ >
void	to_file (const std::vector< std::vector< DType_ >> &mat, const std::string filepath)
	Writes the given matrix into the given file. More...

template<typename T_ >
T_	ipow (T_ b, std::size_t p)
	Unsigned integer power function. More...

template<typename T_ >
T_	round_decimal (T_ x, std::size_t places)
	Rounds the number to the specified number of decimal places. More...

template<class T_ >
constexpr std::string_view	type_name ()
	Returns a string view describing the type T_. More...

Function Documentation

◆ deserialize_from_file()

template<typename DataType_ >

DataType_ sh::utils::deserialize_from_file ( const std::string filepath )

Deserializes the data from the provided file using cereal lib.

https://uscilab.github.io/cereal/

◆ frand()

template<typename T_ >

T_ sh::utils::frand	(	T_	from,
		T_	to
	)

Returns a pseudorandom floating point number sampled from the uniform distribution [from, to).

Parameters

from	Lower distribution bound.
to	Upper distribution bound (exclusive).

Returns: The sampled number.

◆ get_formated_timestamp()

std::string sh::utils::get_formated_timestamp	(	const std::string &	fmt,
		UnixTimestamp	ts = `timestamp()`
	)

inline

Returns string representing current time and date in formated string based on provided format.

Remarks: Use format string as for put_time method (https://en.cppreference.com/w/cpp/io/manip/put_time)

"%d-%m-%Y_%H-%M-%S" => e.g. "16-11-2019_13-26-45:

Parameters

fmt	Format string using the same rules as put_time method.

Returns: String representing current date and time in desired format.

◆ ipow()

template<typename T_ >

T_ sh::utils::ipow	(	T_	b,
		std::size_t	p
	)

Unsigned integer power function.

◆ irand()

template<typename T_ >

T_ sh::utils::irand	(	T_	from,
		T_	to
	)

Returns a pseudorandom integral number sampled from the uniform distribution [from, to].

Parameters

from	Lower distribution bound.
to	Upper distribution bound (inclusive).

Returns: The sampled number.

◆ is_set()

template<typename T_ >

bool sh::utils::is_set	(	T_	mask,
		size_t	i
	)

Tests whether the i-th lowest significant bit is set.

Parameters

mask	Bitfield to test bit in.
i	Index of the LSb in question.

Returns: True if the bit is high.

◆ print_matrix()

template<typename Container_ >

void sh::utils::print_matrix ( const Container_ & mat )

Prints out any two-dimensional iterable container.

Parameters

mat	Container to be printed.

Returns: void

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◆ print_vector()

template<typename Container_ >

void sh::utils::print_vector ( const Container_ & row )

Prints out any one-dimensional iterable container.

Parameters

mat	Container to be printed.

Returns: void

◆ read_whole_file()

std::string sh::utils::read_whole_file ( const std::string & filepath )

inline

Reads the whole file into string that it will return.

Parameters

filepath Filepath of the file to be read.

Returns: Contents of the file in the string.

◆ round_decimal()

template<typename T_ >

T_ sh::utils::round_decimal	(	T_	x,
		std::size_t	places
	)

Rounds the number to the specified number of decimal places.

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◆ serialize_to_file()

template<typename DataType_ >

void sh::utils::serialize_to_file	(	DataType_	data,
		const std::string	filepath
	)

Serializes the given data into the file using cereal lib.

https://uscilab.github.io/cereal/

◆ sha256_sum()

std::string sh::utils::sha256_sum ( const std::string & filepath )

inline

Computes the SHA256 hash for the given file and returns it.

Parameters

filepath Filepath of the file to compute hash for.

Returns: Computed hash for the file.

◆ split()

std::vector<std::string> sh::utils::split	(	const std::string &	str,
		char	delim
	)

inline

Splits the string with the provided character delimiter.

Parameters

str	String to be split.
delim	Delimiter to split with.

Returns: Vector of resulting strings.

◆ str_to_int()

int sh::utils::str_to_int ( const std::string & str )

inline

Tries to parse the integer from the string.

Exceptions

std::runtime_error If unable to parse from the string.

Parameters

str	String to be parsed as an int.

Returns: Parsed integer.

◆ timestamp()

int64_t sh::utils::timestamp ( )

inline

Returns the actual UNIX timestamp (ms).

◆ to_file() [1/2]

template<typename DType_ >

void sh::utils::to_file	(	const std::vector< DType_ > &	vec,
		const std::string	filepath
	)

Writes the given vector into the given file.

◆ to_file() [2/2]

template<typename DType_ >

void sh::utils::to_file	(	const std::vector< std::vector< DType_ >> &	mat,
		const std::string	filepath
	)

Writes the given matrix into the given file.

◆ to_lowercase()

std::string sh::utils::to_lowercase ( const std::string & old )

inline

Returns a copy of old string but all lowercase.

Parameters

old	String to be transformed. \raturns New copy of lowercase string.

◆ trim()

std::string sh::utils::trim ( const std::string & s )

inline

Trim.

/param s A reference to the string to be trimmed. /returns A new copy of trimmed string.

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◆ trim_left()

std::string sh::utils::trim_left ( const std::string & s )

inline

Left trim.

/param s A reference to the string to be trimmed. /returns A new copy of trimmed string.

◆ trim_right()

std::string sh::utils::trim_right ( const std::string & s )

inline

Right trim.

/param s A reference to the string to be trimmed. /returns A new copy of trimmed string.

◆ type_name()

template<class T_ >

constexpr std::string_view sh::utils::type_name ( )

constexpr

Returns a string view describing the type T_.

Code from: https://stackoverflow.com/a/20170989/5481153

Functions

Function Documentation

◆ deserialize_from_file()

◆ frand()

◆ get_formated_timestamp()

◆ ipow()

◆ irand()

◆ is_set()

◆ print_matrix()

◆ print_vector()

◆ read_whole_file()

◆ round_decimal()

◆ serialize_to_file()

◆ sha256_sum()

◆ split()

◆ str_to_int()

◆ timestamp()

◆ to_file() [1/2]

◆ to_file() [2/2]

◆ to_lowercase()

◆ trim()

◆ trim_left()

◆ trim_right()

◆ type_name()