LoMath.H File Reference

Math functions. More...

#include "Robots/LoBot/util/range.hh"
#include <algorithm>
#include <limits>
#include <math.h>

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Classes
class	lobot::gaussian_weight< T >
	A function object to perform Gaussian weighting. More...
Functions
template<typename T >
int	lobot::sign (T t)
	The sign of a number.
template<typename T >
int	lobot::sign0 (T t)
	The sign of a number: -1 for -ve, 0 for zero, +1 for +ve.
template<typename T >
T	lobot::abs (T t)
	Absolute value for different numeric types.
template<typename T >
T	lobot::sqr (T t)
	Square of a number.
int	lobot::next_power_of_two (int n)
	Return the next power of two >= given number.
bool	lobot::is_zero (float t)
	Check if a floating point number is near zero.
bool	lobot::is_zero (double t)
	Check if a double precision floating point number is near zero.
int	lobot::round (float t)
	Round a floating-point number to the nearest integer.
template<typename T >
T	lobot::clamp (T value, T min, T max)
	Clamp a given value to the specified range.
template<typename T >
T	lobot::clamp (T value, const range< T > &R)
	Clamp a given value to the specified range.
template<typename T >
range< T >	lobot::clamp (const range< T > &input, const range< T > &bounds)
	Clamp the input range's min and max to the bounds range's min and max.
float	lobot::clamp_angle (float angle)
	Clamp an angle (specified in degrees) to lie in [0, 360].
int	lobot::quadrant (float angle)
	Returns the quadrant to which the given angle belongs.
int	lobot::octant (float angle)
int	lobot::random (int min, int max)
float	lobot::randomf (float min, float max)
float	lobot::gaussian (float x, float mu, float sigma)
	A function to evaluate the Gaussian.
float	lobot::sample_tri (float b)
float	lobot::sin (float angle)
	Trig functions for degrees rather than radians.
double	lobot::sin (double angle)
float	lobot::sin (int angle)
float	lobot::cos (float angle)
double	lobot::cos (double angle)
float	lobot::cos (int angle)
float	lobot::asin (float x)
double	lobot::asin (double x)
float	lobot::asin (int x)
float	lobot::acos (float x)
double	lobot::acos (double x)
float	lobot::acos (int x)
float	lobot::atan (float x)
double	lobot::atan (double x)
float	lobot::atan (int x)
float	lobot::atan (float y, float x)
double	lobot::atan (double y, double x)
float	lobot::atan (int y, int x)
float	lobot::log (float n)
	Log functions for base 10.
double	lobot::log (double n)
float	lobot::ln (float n)
	Natural logarithms.
double	lobot::ln (double n)
float	lobot::exp (float n)
	Exponential functions.
double	lobot::exp (double n)
float	lobot::prob_to_log_odds (float p)
float	lobot::log_odds_to_prob (float log_odds)

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Detailed Description

Math functions.

Definition in file LoMath.H.