csgeom/math.h File Reference (Crystal Space 2.0 Public API Reference)

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csgeom/math.h File Reference

Generic mathematic utility functions. More...

`#include "csutil/algorithms.h"`

Go to the source code of this file.

## Namespaces
namespace | CS
| Main namespace for CrystalSpace.
namespace | CS::Math
| Mathematical functions and definitions.
## Functions
template<class T >
T | csClamp (const T &a, T max, T min)
| Clamp a between max and min.
template<class T , class Tfactor >
T | csLerp (const T &a, const T &b, const Tfactor &f)
| Performs a linear interpolation between a and b with the factor f.
template<class T >
const T & | csMax (const T &a, const T &b)
| Returns bigger of a and b.
template<class T >
const T & | csMin (const T &a, const T &b)
| Returns smaller of a and b.
template<class T >
T | csSmoothStep (const T &a, T max, T min)
| Performs a smooth interpolation of a on range min to max.
template<class T >
void | csSort (T &a, T &b)
| Sort a and b in order of size.
template<class T , class U >
void | csSort (T &a, T &b, U &x, U &y)
| Sort a and b in order of size.
template<class T >
T | csSquare (const T &x)
| Returns the square of the argument.
template<typename T >
T | CS::Math::NextModulo3 (T number)
| Return the next number in the sequence 0,1,2 modulo 3.
Floating point utilities
bool | CS::IsNaN (float f)
| Checks if a floating point value is not-a-number.
bool | CS::IsNaN_ext (double d)
| Checks if a floating point value is not-a-number.
bool | CS::IsNaN (double d)
| Checks if a double-precision floating point value is not-a-number.
bool | CS::IsFinite (float f)
| Checks if a floating point value is finite.
bool | CS::IsFinite_ext (double d)
| Checks if a floating point value is not-a-number.
bool | CS::IsFinite (double d)
| Checks if a double-precision floating point value is finite.
float | CS::Infinity ()
| Return Infinity.
bool | csFinite (float f)
| Checks if a floating point value is finite.
bool | csFinite (double d)
| Checks if a double-precision floating point value is finite.
bool | csNaN (float f)
| Checks if a floating point value is not-a-number.
bool | csNaN (double d)
| Checks if a double-precision floating point value is not-a-number.
bool | csNormal (float f)
| Checks if a floating point value is normal (not infinite or nan).
bool | csNormal (double d)
| Checks if a double-precision floating point value is normal.

## Detailed Description

Generic mathematic utility functions.

Definition in file math.h.