OpenSceneGraph 3.6.5
Math File Reference
#include <cmath>
#include <cfloat>
#include <osg/Export>

Go to the source code of this file.

Namespaces

namespace  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>
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>
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.
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.
template<typename T>
osg::minimum (T lhs, T rhs)
 return the minimum of two values, equivalent to std::min.
template<typename T>
osg::maximum (T lhs, T rhs)
 return the maximum of two values, equivalent to std::max.
template<typename T>
osg::clampTo (T v, T minimum, T maximum)
template<typename T>
osg::clampAbove (T v, T minimum)
template<typename T>
osg::clampBelow (T v, T maximum)
template<typename T>
osg::clampBetween (T v, T minimum, T maximum)
template<typename T>
osg::sign (T v)
template<typename T>
osg::signOrZero (T v)
template<typename T>
osg::square (T v)
template<typename T>
osg::signedSquare (T v)
float osg::inDegrees (float angle)
double osg::inDegrees (double angle)
template<typename 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.
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.
OSG_EXPORT double osg::asciiToDouble (const char *str)
 Convert a ascii number to a double, ignoring locale settings.
float osg::asciiToFloat (const char *str)
 Convert a ascii number to a float, ignoring locale settings.
OSG_EXPORT double osg::findAsciiToDouble (const char *str)
 Detect first ascii POSITIVE number in string and convert to double.
float osg::findAsciiToFloat (const char *str)
 Detect first ascii POSITIVE number in string and convert to double.

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

osg logo
Generated at Wed Jul 23 2025 00:00:00 for the OpenSceneGraph by doxygen 1.14.0.