utils::math Namespace Reference

Functions
float	fastInvSqrt (float x)
	A very fast function to calculate the approximate inverse square root of a floating point value.
float	fastSqrt (float x)
	A helper function that uses the fastInvSqrt for getting the normal squareroot.
float	cachedSin (int angle)
float	cachedCos (int angle)
float	cachedTan (int angle)
void	init ()

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Function Documentation

float utils::math::cachedCos (  int  angle  )

Definition at line 91 of file mathutils.cpp.

float utils::math::cachedSin (  int  angle  )

Definition at line 86 of file mathutils.cpp.

float utils::math::cachedTan (  int  angle  )

Definition at line 96 of file mathutils.cpp.

float utils::math::fastInvSqrt (  float  x  )

A very fast function to calculate the approximate inverse square root of a floating point value. Definition at line 47 of file mathutils.cpp.

float utils::math::fastSqrt (  float  x  )

A helper function that uses the fastInvSqrt for getting the normal squareroot. Definition at line 57 of file mathutils.cpp.

void utils::math::init (   )

Definition at line 62 of file mathutils.cpp.

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