Internal utility functions

Classes
struct	LHAPDF::bad_lexical_cast
	When lexical_cast goes bad. More...

Functions
	LHAPDF::bad_lexical_cast::bad_lexical_cast (const std::string &what)
	Constructor.

String handling utility functions
template<typename T , typename U >
T	LHAPDF::lexical_cast (const U &in)
	Convert between types via stringstream.
template<typename T >
std::string	LHAPDF::to_str (const T &val)
	Make a string representation of val.
template<typename T >
std::string	LHAPDF::to_str (const std::vector< T > &vec)
	Make a string representation of a vector vec.
std::string	LHAPDF::to_str_zeropad (int val, size_t nchars=4)
	Format an integer val as a zero-padded string of length nchars.
std::string	LHAPDF::join (const std::vector< std::string > &svec, const std::string &sep)
	Concatenate strings with separator strings between each element.
std::vector< std::string >	LHAPDF::split (const std::string &s, const std::string &sep)
	Split a string by a given separator.
bool	LHAPDF::contains (const std::string &s, const std::string &sub)
	Does a string s contain the sub substring?
bool	LHAPDF::startswith (const std::string &s, const std::string &sub)
	Does a string s start with the sub substring?
bool	LHAPDF::endswith (const std::string &s, const std::string &sub)
	Does a string s end with the sub substring?
size_t	LHAPDF::countchar (const std::string &s, const char c)
	How many times does a string s contain the character c?
std::string	LHAPDF::trim (const std::string &s)
	Strip leading and trailing spaces (not in-place)
std::string	LHAPDF::to_lower (const std::string &s)
	Convert a string to lower-case (not in-place)
std::string	LHAPDF::to_upper (const std::string &s)
	Convert a string to upper-case (not in-place)

Filesystem utils
bool	LHAPDF::path_exists (const std::string &p, int mode=0)
	Check if a path p (either file or dir) exists.
bool	LHAPDF::file_exists (const std::string &p, int mode=0)
	Check if a file p exists.
bool	LHAPDF::dir_exists (const std::string &p, int mode=0)
	Check if a dir p exists.
std::string	LHAPDF::operator/ (const std::string &a, const std::string &b)
	Operator for joining strings a and b with filesystem separators.
std::string	LHAPDF::basename (const std::string &p)
	Get the basename (i.e. terminal file name) from a path p.
std::string	LHAPDF::dirname (const std::string &p)
	Get the dirname (i.e. path to the penultimate directory) from a path p.
std::string	LHAPDF::file_stem (const std::string &f)
	Get the stem (i.e. part without a file extension) from a filename f.
std::string	LHAPDF::file_extn (const std::string &f)
	Get the file extension from a filename f.

Math functions
Todo Add an abspath(p) function
template<typename N >
N	LHAPDF::sqr (const N &x)
	Convenience function for squaring (of any type)
template<typename N >
int	LHAPDF::sgn (N val)
	Get the sign of a number.
int	LHAPDF::in_range (double x, double low, double high)
	Check if a number is in a range (closed-open)
int	LHAPDF::in_closed_range (double x, double low, double high)
	Check if a number is in a range (closed-closed)
int	LHAPDF::in_open_range (double x, double low, double high)
	Check if a number is in a range (open-open)
double	LHAPDF::norm_quantile (double p)
	Quantiles of the standard normal probability distribution function.
double	LHAPDF::chisquared_quantile (double p, double ndf)
	Quantiles of the chi-squared probability distribution function.

Container utils
template<typename T >
bool	LHAPDF::contains (const std::vector< T > &container, const T &item)
	Does the vector<T> container contain item?
template<typename K , typename T >
bool	LHAPDF::has_key (const std::map< K, T > &container, const K &key)
	Does the map<K,T> container have a key K key?

Detailed Description

Function Documentation

norm_quantile()

double LHAPDF::norm_quantile

(

double

p

)

Quantiles of the standard normal probability distribution function.

Todo

Add iszero() & equals(,) functions?