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Helpers.hh File Reference
#include <boost/math/special_functions/fpclassify.hpp>
#include <boost/math/special_functions/round.hpp>
#include <algorithm>
#include <cmath>
#include <limits>
#include <string>
#include <iostream>
#include <vector>
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namespace  gazebo
 Forward declarations for the common classes.
namespace  gazebo::math
 Math namespace.


#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()


template<typename 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 >
gazebo::math::max (const std::vector< T > &_values)
 get the maximum value of vector of values
template<typename T >
gazebo::math::mean (const std::vector< T > &_values)
 get mean of vector of values
template<typename 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 >
gazebo::math::precision (const T &_a, const unsigned int &_precision)
 get value at a specified precision
template<typename T >
gazebo::math::variance (const std::vector< T > &_values)
 get variance of vector of values


static const double gazebo::math::NAN_D = std::numeric_limits<double>::quiet_NaN()
 Returns the representation of a quiet not a number (NAN)
static const int gazebo::math::NAN_I = std::numeric_limits<int>::quiet_NaN()
 Returns the representation of a quiet not a number (NAN)

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()