Math File Reference

#include <cmath>
#include <cfloat>
#include <osg/Export>

Namespaces
	osg
	The core osg library provides the basic scene graph classes such as Nodes, State and Drawables, and maths and general helper classes.

Macros
#define	__OSG_MATH

Functions
template<typename T >
T	osg::default_value ()
template<>
float	osg::default_value< float > ()
template<>
double	osg::default_value< double > ()
template<>
char	osg::default_value< char > ()
template<>
unsigned char	osg::default_value< unsigned char > ()
template<>
short	osg::default_value< short > ()
template<>
unsigned short	osg::default_value< unsigned short > ()
template<>
int	osg::default_value< int > ()
template<>
unsigned int	osg::default_value< unsigned int > ()
template<typename T >
T	osg::absolute (T v)
bool	osg::equivalent (float lhs, float rhs, float epsilon=1e-6)
	return true if float lhs and rhs are equivalent, meaning that the difference between them is less than an epsilon value which defaults to 1e-6. More...
bool	osg::equivalent (double lhs, double rhs, double epsilon=1e-6)
	return true if double lhs and rhs are equivalent, meaning that the difference between them is less than an epsilon value which defaults to 1e-6. More...
template<typename T >
T	osg::minimum (T lhs, T rhs)
	return the minimum of two values, equivalent to std::min. More...
template<typename T >
T	osg::maximum (T lhs, T rhs)
	return the maximum of two values, equivalent to std::max. More...
template<typename T >
T	osg::clampTo (T v, T minimum, T maximum)
template<typename T >
T	osg::clampAbove (T v, T minimum)
template<typename T >
T	osg::clampBelow (T v, T maximum)
template<typename T >
T	osg::clampBetween (T v, T minimum, T maximum)
template<typename T >
T	osg::sign (T v)
template<typename T >
T	osg::signOrZero (T v)
template<typename T >
T	osg::square (T v)
template<typename T >
T	osg::signedSquare (T v)
float	osg::inDegrees (float angle)
double	osg::inDegrees (double angle)
template<typename T >
T	osg::inRadians (T angle)
float	osg::DegreesToRadians (float angle)
double	osg::DegreesToRadians (double angle)
float	osg::RadiansToDegrees (float angle)
double	osg::RadiansToDegrees (double angle)
float	osg::round (float v)
double	osg::round (double v)
bool	osg::isNaN (float v)
bool	osg::isNaN (double v)
template<typename T >
float	osg::computeVolume (const T &a, const T &b, const T &c, const T &d)
	compute the volume of a tetrahedron. More...
template<typename T >
float	osg::computeVolume (const T &f1, const T &f2, const T &f3, const T &b1, const T &b2, const T &b3)
	compute the volume of a prism. More...
OSG_EXPORT double	osg::asciiToDouble (const char *str)
	Convert a ascii number to a double, ignoring locale settings. More...
float	osg::asciiToFloat (const char *str)
	Convert a ascii number to a float, ignoring locale settings. More...
OSG_EXPORT double	osg::findAsciiToDouble (const char *str)
	Detect first ascii POSITIVE number in string and convert to double. More...
float	osg::findAsciiToFloat (const char *str)
	Detect first ascii POSITIVE number in string and convert to double. More...

Variables
const double	osg::PI = 3.14159265358979323846
const double	osg::PI_2 = 1.57079632679489661923
const double	osg::PI_4 = 0.78539816339744830962
const double	osg::LN_2 = 0.69314718055994530942
const double	osg::INVLN_2 = 1.0 / LN_2
const float	osg::PIf = 3.14159265358979323846f
const float	osg::PI_2f = 1.57079632679489661923f
const float	osg::PI_4f = 0.78539816339744830962f
const float	osg::LN_2f = 0.69314718055994530942f
const float	osg::INVLN_2f = 1.0f / LN_2f

Macro Definition Documentation

__OSG_MATH

#define __OSG_MATH