nw4r::math Namespace Reference

Description

Math library.

Classes
struct	MTX34
	A 3x4 matrix. More...
struct	VEC2
	A two-dimensional floating point vector. More...
struct	VEC3
	A three-dimensional floating point vector. More...

Functions
float	FrSqrt (float x)
	Computes the inverse square root of the given value.
float	FSqrt (float x)
	Computes the square root of the given value.
float	SinFIdx (float fidx)
	Computes the sine value.
float	CosFIdx (float fidx)
	Computes the cosine value.
float	SinF (float ang)
	Computes the sine value.
float	CosF (float ang)
	Computes the cosine value.
float	SinS (short ang)
	Computes the sine value.
float	CosS (short ang)
	Computes the cosine value.

Variables
const f32	F_PI = 3.141592653589793f
	The value of PI.

Function Documentation

FrSqrt()

float nw4r::math::FrSqrt

(

float

x

)

Computes the inverse square root of the given value.

FSqrt()

float nw4r::math::FSqrt ( float  x )

inline

Computes the square root of the given value.

Definition at line 12 of file arithmetic.hpp.

SinFIdx()

float nw4r::math::SinFIdx

(

float

fidx

)

Computes the sine value.

Parameters

fidx	The angle, measured in units of 1/256th of a circle.

Returns

The sine for fidx.

CosFIdx()

float nw4r::math::CosFIdx

(

float

fidx

)

Computes the cosine value.

Parameters

fidx	The angle, measured in units of 1/256th of a circle.

Returns

The cosine for fidx.

SinF()

float nw4r::math::SinF ( float  ang )

inline

Computes the sine value.

Parameters

ang	The angle, measured in units of 1/65536th of a circle.

Returns

The sine for idx.

Definition at line 22 of file trigonometry.hpp.

CosF()

float nw4r::math::CosF ( float  ang )

inline

Computes the cosine value.

Parameters

idx	The angle measured in units of 1/65536th of a circle.

Returns

The cosine for idx.

Definition at line 29 of file trigonometry.hpp.

SinS()

float nw4r::math::SinS ( short  ang )

inline

Computes the sine value.

Parameters

ang	The angle, measured in units of 1/65536th of a circle.

Returns

The sine for idx.

Definition at line 36 of file trigonometry.hpp.

CosS()

float nw4r::math::CosS ( short  ang )

inline

Computes the cosine value.

Parameters

idx	The angle measured in units of 1/65536th of a circle.

Returns

The cosine for idx.

Definition at line 43 of file trigonometry.hpp.

Variable Documentation

F_PI

const f32 nw4r::math::F_PI = 3.141592653589793f

The value of PI.

Definition at line 8 of file constant.hpp.