logspace.hpp File Reference

Provides functionality for working with probabilities in logspace. More...

#include <algorithm>
#include <cmath>

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Classes
struct	raptor::logspace::add_fn

Functions
double	raptor::logspace::add (double const log_x, double const log_y) noexcept
	The log of a sum of two log terms.
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.
double	raptor::logspace::substract (double const log_x, double const log_y) noexcept
	The log of a difference of two log terms. (log_x - log_y)

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

Detailed Description

Provides functionality for working with probabilities in logspace.

Author

Enrico Seiler <enrico.seiler AT fu-berlin.de>