bitrl::utils::maths Namespace Reference

Namespaces
namespace	stats

Functions
template<typename T >
int_t	sign (const T &expr)
template<typename T >
int_t	sign (const T &expr1, const T &expr2)
template<typename T >
T	sum_sqr (const DynVec< T > &vec)
	Compute the sum of squares of the elements of the given vector.
template<typename T >
T	sqr (const T &v)
template<typename VectorType >
uint_t	arg_max (const VectorType &vec)
	Returns the index of the element that has the maximum value in the array. Implementation taken from http://www.jclay.host/dev-journal/simple_cpp_argmax_argmin.html.
template<typename VectorType >
uint_t	arg_min (const VectorType &vec)
	Returns the index of the element that has the minimum value in the array. Implementation taken from http://www.jclay.host/dev-journal/simple_cpp_argmax_argmin.html.
template<typename VectorType >
VectorType::value_type	max (const VectorType &vec)
	Returns the max element in the vector.
template<typename VectorType >
VectorType::value_type	min (const VectorType &vec)
	Returns the minimum element in the vector.
template<typename T >
std::vector< T >	lin_space (T start, T stop, uint_t n)
	Generate n evenly linearly spaced numbers between [start, stop]. Analogous to NumPy linspace.

Function Documentation

arg_max()

template<typename VectorType >

uint_t bitrl::utils::maths::arg_max

(

const VectorType &

vec

)

Returns the index of the element that has the maximum value in the array. Implementation taken from http://www.jclay.host/dev-journal/simple_cpp_argmax_argmin.html.

arg_min()

template<typename VectorType >

uint_t bitrl::utils::maths::arg_min

(

const VectorType &

vec

)

Returns the index of the element that has the minimum value in the array. Implementation taken from http://www.jclay.host/dev-journal/simple_cpp_argmax_argmin.html.

lin_space()

template<typename T >

std::vector< T > bitrl::utils::maths::lin_space	(	T	start,
		T	stop,
		uint_t	n
	)

Generate n evenly linearly spaced numbers between [start, stop]. Analogous to NumPy linspace.

max()

template<typename VectorType >

VectorType::value_type bitrl::utils::maths::max

(

const VectorType &

vec

)

Returns the max element in the vector.

min()

template<typename VectorType >

VectorType::value_type bitrl::utils::maths::min

(

const VectorType &

vec

)

Returns the minimum element in the vector.

sign() [1/2]

template<typename T >

int_t bitrl::utils::maths::sign

(

const T &

expr

)

sign() [2/2]

template<typename T >

int_t bitrl::utils::maths::sign	(	const T &	expr1,
		const T &	expr2
	)

sqr()

template<typename T >

T bitrl::utils::maths::sqr

(

const T &

v

)

sum_sqr()

template<typename T >

T bitrl::utils::maths::sum_sqr

(

const DynVec< T > &

vec

)

Compute the sum of squares of the elements of the given vector.

Parameters

The

vector

Returns

sum of squares