3x3 matrix operations from mat33.h More...

Functions
template<typename T1 , typename T2 >
void	mat33_cast (T1 dst[3][3], const T2 src[3][3])
	Cast a 3x3 matrix from one type to another. More...

template<typename T >
void	mat33_copy (T dst[3][3], const T src[3][3])
	Copy src input matrix to dst output. More...

template<typename T >
T	mat33_det (const T src[3][3])
	Compute the determinant of a 3x3 matrix, returns `\|src\|` More...

template<typename T >
void	mat33_identity (T dst[3][3])
	Initialize a 3x3 identity matrix. More...

template<typename T >
void	mat33_inverse (T dst[3][3], const T src[3][3])
	Compute the inverse of a 3x3 matrix, `dst=src^-1` It is safe to have dst and src be the same memory. More...

template<typename T >
void	mat33_multiply (T dst[3][3], const T a[3][3], const T b[3][3])
	Multiply two 3x3 matrices, `dst=a*b` More...

template<typename T >
void	mat33_print (const T src[3][3], const char *name=NULL)
	Print out a 3x3 matrix to stdout. More...

template<typename T >
int	mat33_rank (const T src[3][3])
	Determine the rank of a 3x3 matrix. More...

template<typename T >
void	mat33_translate (T dst[3][3], T x, T y)
	Initialize a 3x3 translation matrix. More...

template<typename T >
void	mat33_translate (T dst[3][3], T src[3][3], T x, T y)
	Translate a 3x3 matrix by `(x,y)` More...

template<typename T >
void	mat33_rotation (T dst[3][3], T degrees)
	Initialize a 3x3 rotation matrix. More...

template<typename T >
void	mat33_rotation (T dst[3][3], T src[3][3], T degrees)
	Rotate a 3x3 matrix counter-clockwise. More...

template<typename T >
void	mat33_rotation (T dst[3][3], T degrees, float origin_x, float origin_y)
	Initialize a 3x3 rotation matrix around an origin point. More...

template<typename T >
void	mat33_rotation (T dst[3][3], T src[3][3], T degrees, float origin_x, float origin_y)
	Rotation a 3x3 matrix around an origin point. More...

template<typename T >
void	mat33_scale (T dst[3][3], T sx, T sy)
	Initialize a 3x3 scaling matrix. More...

template<typename T >
void	mat33_scale (T dst[3][3], T src[3][3], T sx, T sy)
	Scale a 3x3 matrix by `(sx,sy)` More...

template<typename T >
void	mat33_shear (T dst[3][3], T sx, T sy)
	Initialize a 3x3 shear matrix. More...

template<typename T >
void	mat33_shear (T dst[3][3], T src[3][3], T sx, T sy)
	Shear a 3x3 matrix by (sx,sy). More...

template<typename T >
void	mat33_swap (T a[3][3], T b[3][3])
	Swap two 3x3 matrices inline, `a=b` and `b=a` More...

template<typename T >
T	mat33_trace (const T src[3][3])
	Compute the trace of a 3x3 matrix, returns `tr(src)` More...

template<typename T >
void	mat33_transform (T &x_out, T &y_out, const T x_in, const T y_in, const T mat[3][3])
	Transform a 2D vector by a 3x3 matrix. More...

template<typename T >
void	mat33_transform (T dst[2], const T src[2], const T mat[3][3])
	Transform a 2D vector by a 3x3 matrix, `dst=src*mat` More...

template<typename T >
void	mat33_transform (T dst, const T src, const int N, const T mat[3][3])
	Transform an array of 2D vectors by a 3x3 matrix. More...

template<typename T >
void	mat33_transpose (T dst[3][3], const T src[3][3])
	Transpose a 3x3 matrix, `dst=src^T` More...

template<typename T >
void	mat33_zero (T dst[3][3])
	Set a 3x3 matrix to all zero's. More...

Detailed Description

3x3 matrix operations from mat33.h

Function Documentation

◆ mat33_cast()

template<typename T1 , typename T2 >

void mat33_cast	(	T1	dst[3][3],
		const T2	src[3][3]
	)

inline

Cast a 3x3 matrix from one type to another.

◆ mat33_copy()

template<typename T >

void mat33_copy	(	T	dst[3][3],
		const T	src[3][3]
	)

inline

Copy src input matrix to dst output.

◆ mat33_det()

template<typename T >

T mat33_det ( const T src[3][3] )

inline

Compute the determinant of a 3x3 matrix, returns |src|

◆ mat33_identity()

template<typename T >

void mat33_identity ( T dst[3][3] )

inline

Initialize a 3x3 identity matrix.

◆ mat33_inverse()

template<typename T >

void mat33_inverse	(	T	dst[3][3],
		const T	src[3][3]
	)

inline

Compute the inverse of a 3x3 matrix, dst=src^-1 It is safe to have dst and src be the same memory.

◆ mat33_multiply()

template<typename T >

void mat33_multiply	(	T	dst[3][3],
		const T	a[3][3],
		const T	b[3][3]
	)

inline

Multiply two 3x3 matrices, dst=a*b

◆ mat33_print()

template<typename T >

void mat33_print	(	const T	src[3][3],
		const char *	name = `NULL`
	)

inline

Print out a 3x3 matrix to stdout.

◆ mat33_rank()

template<typename T >

int mat33_rank ( const T src[3][3] )

inline

Determine the rank of a 3x3 matrix.

◆ mat33_rotation() [1/4]

template<typename T >

void mat33_rotation	(	T	dst[3][3],
		T	degrees
	)

inline

Initialize a 3x3 rotation matrix.

◆ mat33_rotation() [2/4]

template<typename T >

void mat33_rotation	(	T	dst[3][3],
		T	degrees,
		float	origin_x,
		float	origin_y
	)

inline

Initialize a 3x3 rotation matrix around an origin point.

◆ mat33_rotation() [3/4]

template<typename T >

void mat33_rotation	(	T	dst[3][3],
		T	src[3][3],
		T	degrees
	)

inline

Rotate a 3x3 matrix counter-clockwise.

◆ mat33_rotation() [4/4]

template<typename T >

void mat33_rotation	(	T	dst[3][3],
		T	src[3][3],
		T	degrees,
		float	origin_x,
		float	origin_y
	)

inline

Rotation a 3x3 matrix around an origin point.

◆ mat33_scale() [1/2]

template<typename T >

void mat33_scale	(	T	dst[3][3],
		T	src[3][3],
		T	sx,
		T	sy
	)

inline

Scale a 3x3 matrix by (sx,sy)

◆ mat33_scale() [2/2]

template<typename T >

void mat33_scale	(	T	dst[3][3],
		T	sx,
		T	sy
	)

inline

Initialize a 3x3 scaling matrix.

◆ mat33_shear() [1/2]

template<typename T >

void mat33_shear	(	T	dst[3][3],
		T	src[3][3],
		T	sx,
		T	sy
	)

inline

Shear a 3x3 matrix by (sx,sy).

◆ mat33_shear() [2/2]

template<typename T >

void mat33_shear	(	T	dst[3][3],
		T	sx,
		T	sy
	)

inline

Initialize a 3x3 shear matrix.

◆ mat33_swap()

template<typename T >

void mat33_swap	(	T	a[3][3],
		T	b[3][3]
	)

inline

Swap two 3x3 matrices inline, a=b and b=a

◆ mat33_trace()

template<typename T >

T mat33_trace ( const T src[3][3] )

inline

Compute the trace of a 3x3 matrix, returns tr(src)

◆ mat33_transform() [1/3]

template<typename T >

void mat33_transform	(	T &	x_out,
		T &	y_out,
		const T	x_in,
		const T	y_in,
		const T	mat[3][3]
	)

inline

Transform a 2D vector by a 3x3 matrix.

◆ mat33_transform() [2/3]

template<typename T >

void mat33_transform	(	T *	dst,
		const T *	src,
		const int	N,
		const T	mat[3][3]
	)

inline

Transform an array of 2D vectors by a 3x3 matrix.

◆ mat33_transform() [3/3]

template<typename T >

void mat33_transform	(	T	dst[2],
		const T	src[2],
		const T	mat[3][3]
	)

inline

Transform a 2D vector by a 3x3 matrix, dst=src*mat

◆ mat33_translate() [1/2]

template<typename T >

void mat33_translate	(	T	dst[3][3],
		T	src[3][3],
		T	x,
		T	y
	)

inline

Translate a 3x3 matrix by (x,y)

◆ mat33_translate() [2/2]

template<typename T >

void mat33_translate	(	T	dst[3][3],
		T	x,
		T	y
	)

inline

Initialize a 3x3 translation matrix.

◆ mat33_transpose()

template<typename T >

void mat33_transpose	(	T	dst[3][3],
		const T	src[3][3]
	)

inline

Transpose a 3x3 matrix, dst=src^T

◆ mat33_zero()

template<typename T >

void mat33_zero ( T dst[3][3] )

inline

Set a 3x3 matrix to all zero's.

Functions

Detailed Description

Function Documentation

◆ mat33_cast()

◆ mat33_copy()

◆ mat33_det()

◆ mat33_identity()

◆ mat33_inverse()

◆ mat33_multiply()

◆ mat33_print()

◆ mat33_rank()

◆ mat33_rotation() [1/4]

◆ mat33_rotation() [2/4]

◆ mat33_rotation() [3/4]

◆ mat33_rotation() [4/4]

◆ mat33_scale() [1/2]

◆ mat33_scale() [2/2]

◆ mat33_shear() [1/2]

◆ mat33_shear() [2/2]

◆ mat33_swap()

◆ mat33_trace()

◆ mat33_transform() [1/3]

◆ mat33_transform() [2/3]

◆ mat33_transform() [3/3]

◆ mat33_translate() [1/2]

◆ mat33_translate() [2/2]

◆ mat33_transpose()

◆ mat33_zero()