math.h File Reference

Common math typedefs, constants, functions. More...

#include <math.h>
#include <float.h>
#include <limits>
#include <KrisLibrary/utils.h>
#include "infnan.h"

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Namespaces
	Math
	Contains all definitions in the Math package.

Macros
#define	MATH_DOUBLE   1

Typedefs
typedef double	Math::Real

Functions
double	Math::Abs (double x)
double	Math::Sqr (double x)
double	Math::Sqrt (double x)
double	Math::Exp (double x)
double	Math::Log (double x)
double	Math::Pow (double x, double y)
double	Math::Sin (double x)
double	Math::Cos (double x)
double	Math::Tan (double x)
double	Math::Sinh (double x)
double	Math::Cosh (double x)
double	Math::Tanh (double x)
double	Math::Asin (double x)
double	Math::Acos (double x)
double	Math::Atan (double x)
double	Math::Atan2 (double y, double x)
double	Math::Floor (double x)
double	Math::Ceil (double x)
double	Math::Mod (double x, double y)
float	Math::Abs (float x)
float	Math::Sqr (float x)
float	Math::Sqrt (float x)
float	Math::Exp (float x)
float	Math::Log (float x)
float	Math::Pow (float x, float y)
float	Math::Sin (float x)
float	Math::Cos (float x)
float	Math::Tan (float x)
float	Math::Sinh (float x)
float	Math::Cosh (float x)
float	Math::Tanh (float x)
float	Math::Asin (float x)
float	Math::Acos (float x)
float	Math::Atan (float x)
float	Math::Atan2 (float y, float x)
float	Math::Floor (float x)
float	Math::Ceil (float x)
float	Math::Mod (float x, float y)
double	Math::Inv (double x)
	1/x
double	Math::Sign (double x)
	Returns {-1,0,1} if x is {<0,0,>0}.
double	Math::Clamp (double x, double a, double b)
	Returns a if x < a, b if x > b, otherwise x.
double	Math::Trunc (double x)
double	Math::Frac (double x)
float	Math::Inv (float x)
float	Math::Sign (float x)
float	Math::Clamp (float x, float a, float b)
float	Math::Trunc (float x)
float	Math::Frac (float x)
double	Math::dot (double a, double b)
	Dot product of a scalar as a 1-d vector.
bool	Math::FuzzyEquals (double a, double b, double eps=dEpsilon)
	Returns true if a and b are within +/- eps.
bool	Math::FuzzyZero (double a, double eps=dEpsilon)
	Returns true if a is zero within +/- eps.
double	Math::PseudoInv (double x, double eps=dZero)
	Returns 1/x if x is nonzero, otherwise 0.
float	Math::dot (float a, float b)
bool	Math::FuzzyEquals (float a, float b, float eps=fEpsilon)
bool	Math::FuzzyZero (float a, float eps=fEpsilon)
float	Math::PseudoInv (float x, float eps=fZero)
template<class T >
Real	Math::Delta (T i, T j)
	Kronecker delta.
template<class T >
Real	Math::Delta (T x)
double	Math::DtoR (double f)
	Degree to radian conversion.
double	Math::RtoD (double f)
	Radian to degree conversion.
float	Math::DtoR (float f)
float	Math::RtoD (float f)

Detailed Description

Common math typedefs, constants, functions.

Defines the typedef Real, and the capitalized std math functions overloaded to handle both floats and doubles.

Real is defined to be a double if MATH_DOUBLE is defined, otherwise a float.