Helpers.hh File Reference

#include <boost/math/special_functions/fpclassify.hpp>
#include <algorithm>
#include <cmath>
#include <limits>
#include <string>
#include <iostream>
#include <vector>

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Namespaces
namespace	gazebo
	Forward declarations for the common classes.
namespace	gazebo::math
	Math namespace.

Macros
#define	GZ_DBL_MAX   std::numeric_limits<double>::max()
#define	GZ_DBL_MIN   std::numeric_limits<double>::min()
#define	GZ_FLT_MAX   std::numeric_limits<float>::max()
#define	GZ_FLT_MIN   std::numeric_limits<float>::min()

Functions
template<typename T >
T	gazebo::math::clamp (T _v, T _min, T _max)
	simple clamping function
template<typename T >
bool	gazebo::math::equal (const T &_a, const T &_b, const T &_epsilon=1e-6)
	check if two values are equal, within a tolerance
bool	gazebo::math::isnan (float _v)
	check if a float is NaN
bool	gazebo::math::isnan (double _v)
	check if a double is NaN
bool	gazebo::math::isPowerOfTwo (unsigned int _x)
	is this a power of 2?
template<typename T >
T	gazebo::math::max (const std::vector< T > &_values)
	get the maximum value of vector of values
template<typename T >
T	gazebo::math::mean (const std::vector< T > &_values)
	get mean of vector of values
template<typename T >
T	gazebo::math::min (const std::vector< T > &_values)
	get the minimum value of vector of values
double	gazebo::math::parseFloat (const std::string &_input)
	parse string into float
int	gazebo::math::parseInt (const std::string &_input)
	parse string into an integer
template<typename T >
T	gazebo::math::precision (const T &_a, const unsigned int &_precision)
	get value at a specified precision
template<typename T >
T	gazebo::math::variance (const std::vector< T > &_values)
	get variance of vector of values

Variables
static const double	gazebo::math::NAN_D = std::numeric_limits<double>::quiet_NaN()
	Not a number.
static const double	gazebo::math::NAN_I = std::numeric_limits<int>::quiet_NaN()
	TODO Nate: type int has no quiet_NaN ... what does this 0 mean?

Macro Definition Documentation

#define GZ_DBL_MAX   std::numeric_limits<double>::max()

#define GZ_DBL_MIN   std::numeric_limits<double>::min()

#define GZ_FLT_MAX   std::numeric_limits<float>::max()

#define GZ_FLT_MIN   std::numeric_limits<float>::min()