matrix4i.c File Reference

#include <vecmat.h>

Go to the source code of this file.

Functions
matrix4i	mat4i_identity (void)
	Constructs the 4x4 identity matrix.
matrix4i	mat4i_mul (const matrix4i a, const matrix4i b)
	Multiplies two 4x4 integer matrices.
matrix4i	mat4i_transpose (const matrix4i m)
	Computes the transpose of a 4x4 integer matrix.
matrix4i	mat4i_inverse (const matrix4i m)
	Computes the inverse of a 4x4 integer matrix.
vm_int_t	mat4i_determinant (const matrix4i m)
	Computes the determinant of a 4x4 integer matrix (Laplace expansion along first row).
vector4i	mat4i_mul_vec4i (const matrix4i m, const vector4i v)
	Multiplies a 4x4 integer matrix by a vector4i.
vector3i	mat4i_mul_vec3i (const matrix4i m, const vector3i v, const vm_int_t w)
	Transforms a vector3i by a 4x4 integer matrix using homogeneous w.

Function Documentation

mat4i_determinant()

vm_int_t mat4i_determinant

(

const matrix4i

m

)

Computes the determinant of a 4x4 integer matrix (Laplace expansion along first row).

Parameters

m	The input matrix.

Returns

The determinant value.

Definition at line 73 of file matrix4i.c.

References matrix4i::v.

mat4i_identity()

matrix4i mat4i_identity

(

void

)

Constructs the 4x4 identity matrix.

See mat4i_identity_ptr instead.

Returns

The identity matrix4i.

Definition at line 14 of file matrix4i.c.

References mat4i_identity_ptr().

mat4i_inverse()

matrix4i mat4i_inverse

(

const matrix4i

m

)

Computes the inverse of a 4x4 integer matrix.

See mat4i_inverse_ptr instead.

Parameters

m	The input matrix.

Returns

The inverse matrix.

Definition at line 60 of file matrix4i.c.

References mat4i_inverse_ptr().

mat4i_mul()

matrix4i mat4i_mul	(	const matrix4i	a,
		const matrix4i	b )

Multiplies two 4x4 integer matrices.

See mat4i_mul_ptr instead.

Parameters

a	The first matrix.
b	The second matrix.

Returns

The product matrix.

Definition at line 30 of file matrix4i.c.

References mat4i_mul_ptr().

mat4i_mul_vec3i()

vector3i mat4i_mul_vec3i	(	const matrix4i	m,
		const vector3i	v,
		const vm_int_t	w )

Transforms a vector3i by a 4x4 integer matrix using homogeneous w.

See mat4i_mul_vec3i_ptr instead.

Parameters

m	Input matrix.
v	Input vector.
w	Homogeneous w component.

Returns

The resulting vector3i.

Definition at line 116 of file matrix4i.c.

References mat4i_mul_vec3i_ptr().

mat4i_mul_vec4i()

vector4i mat4i_mul_vec4i	(	const matrix4i	m,
		const vector4i	v )

Multiplies a 4x4 integer matrix by a vector4i.

See mat4i_mul_vec4i_ptr instead.

Parameters

m	Input matrix.
v	Input vector.

Returns

The resulting vector4i.

Definition at line 99 of file matrix4i.c.

References mat4i_mul_vec4i_ptr().

mat4i_transpose()

matrix4i mat4i_transpose

(

const matrix4i

m

)

Computes the transpose of a 4x4 integer matrix.

See mat4i_transpose_ptr instead.

Parameters

m	The input matrix.

Returns

The transposed matrix.

Definition at line 45 of file matrix4i.c.

References mat4i_transpose_ptr().