matrix3i.c File Reference

#include <vecmat.h>

Go to the source code of this file.

Functions
matrix3i	mat3i_identity (void)
	Constructs the 3x3 identity matrix.
matrix3i	mat3i_mul (const matrix3i a, const matrix3i b)
	Multiplies two 3x3 integer matrices.
matrix3i	mat3i_transpose (const matrix3i m)
	Computes the transpose of a 3x3 integer matrix.
vm_int_t	mat3i_determinant (const matrix3i m)
	Computes the determinant of a 3x3 integer matrix.
matrix3i	mat3i_inverse (const matrix3i m)
	Computes the inverse of a 3x3 integer matrix.
vector3i	mat3i_mul_vec3i (const matrix3i m, const vector3i v)
	Multiplies a 3x3 integer matrix by a vector3i.
vector2i	mat3i_mul_vec2i (const matrix3i m, const vector2i v)
	Applies a 3x3 integer affine transform to a vector2i.

Function Documentation

mat3i_determinant()

vm_int_t mat3i_determinant

(

const matrix3i

m

)

Computes the determinant of a 3x3 integer matrix.

Parameters

m	The input matrix.

Returns

The determinant value.

Definition at line 58 of file matrix3i.c.

References matrix3i::v.

Referenced by mat3i_inverse_ptr().

mat3i_identity()

matrix3i mat3i_identity

(

void

)

Constructs the 3x3 identity matrix.

See mat3i_identity_ptr instead.

Returns

The identity matrix3i.

Definition at line 14 of file matrix3i.c.

References mat3i_identity_ptr().

mat3i_inverse()

matrix3i mat3i_inverse

(

const matrix3i

m

)

Computes the inverse of a 3x3 integer matrix.

See mat3i_inverse_ptr instead.

Parameters

m	The input matrix.

Returns

The inverse matrix.

Definition at line 73 of file matrix3i.c.

References mat3i_inverse_ptr().

mat3i_mul()

matrix3i mat3i_mul	(	const matrix3i	a,
		const matrix3i	b )

Multiplies two 3x3 integer matrices.

See mat3i_mul_ptr instead.

Parameters

a	The first matrix.
b	The second matrix.

Returns

The product matrix.

Definition at line 30 of file matrix3i.c.

References mat3i_mul_ptr().

mat3i_mul_vec2i()

vector2i mat3i_mul_vec2i	(	const matrix3i	m,
		const vector2i	v )

Applies a 3x3 integer affine transform to a vector2i.

See mat3i_mul_vec2i_ptr instead.

Parameters

m	Input matrix.
v	Input vector.

Returns

The resulting vector2i.

Definition at line 105 of file matrix3i.c.

References mat3i_mul_vec2i_ptr().

mat3i_mul_vec3i()

vector3i mat3i_mul_vec3i	(	const matrix3i	m,
		const vector3i	v )

Multiplies a 3x3 integer matrix by a vector3i.

See mat3i_mul_vec3i_ptr instead.

Parameters

m	Input matrix.
v	Input vector.

Returns

The resulting vector3i.

Definition at line 89 of file matrix3i.c.

References mat3i_mul_vec3i_ptr().

mat3i_transpose()

matrix3i mat3i_transpose

(

const matrix3i

m

)

Computes the transpose of a 3x3 integer matrix.

See mat3i_transpose_ptr instead.

Parameters

m	The input matrix.

Returns

The transposed matrix.

Definition at line 45 of file matrix3i.c.

References mat3i_transpose_ptr().