raptor::logspace Namespace Reference

Classes
struct	add_fn

Functions
double	add (double const log_x, double const log_y) noexcept
	The log of a sum of two log terms. More...
template<typename... types>
double	add (double const log_x, double const log_y, types... logs) noexcept
	The log of a sum of multiple log terms. More...
double	substract (double const log_x, double const log_y) noexcept
	The log of a difference of two log terms. (log_x - log_y) More...

Variables
constexpr double	ln_2 {0.693147180559945309417232121458176568L}
constexpr double	negative_inf {-std::numeric_limits<double>::infinity()}

Function Documentation

add() [1/2]

double raptor::logspace::add ( double const  log_x, double const  log_y  )

inlinenoexcept

The log of a sum of two log terms.

add() [2/2]

template<typename... types>

double raptor::logspace::add ( double const  log_x, double const  log_y, types...  logs  )

noexcept

The log of a sum of multiple log terms.

substract()

double raptor::logspace::substract ( double const  log_x, double const  log_y  )

inlinenoexcept

The log of a difference of two log terms. (log_x - log_y)

Variable Documentation

ln_2

constexpr double raptor::logspace::ln_2 {0.693147180559945309417232121458176568L}

constexpr

negative_inf

constexpr double raptor::logspace::negative_inf {-std::numeric_limits<double>::infinity()}

constexpr