mat4x2

Header: cglm/mat4x2.h

Table of contents (click to go):

Macros:

1. GLM_MAT4X2_ZERO_INIT

2. GLM_MAT4X2_ZERO

Functions:

1. glm_mat4x2_copy()

2. glm_mat4x2_zero()

3. glm_mat4x2_make()

4. glm_mat4x2_mul()

5. glm_mat4x2_mulv()

6. glm_mat4x2_transpose()

7. glm_mat4x2_scale()

Represented

mat4x2

	column 1	column 2	column 3	column4
row 1	m00	m10	m20	m30
row 2	m01	m11	m21	m31

Functions documentation

void glm_mat4x2_copy(mat4x2 src, mat4x2 dest)

Copy mat4x2 (src) to mat4x2 (dest).

Parameters:

[in] src mat4x2 (left)

[out] dest destination (result, mat4x2)

mat4x2 (src)

	column 1	column 2	column 3	column 4
row 1	a00	a10	a20	a30
row 2	a01	a11	a21	a31

ma4x2 (dest)

	column 1	column 2	column 3	column 4
row 1	b00 = a00	b10 = a10	b20 = a20	b30 = a30
row 2	b01 = a01	b11 = a11	b21 = a21	b31 = a31

void glm_mat4x2_zero(mat4x2 m)

Zero out the mat4x2 (m).

Parameters:

[in, out] m mat4x2 (src, dest)

mat4x2 (m)

	column 1	column 2	column 3	column 4
row 1	0.00	2.00	15.00	44.00
row 2	5.00	4.00	6.00	12.00

mat4x2 (m)

	column 1	column 2	column 3	column 4
row 1	0.00	0.00	0.00	0.00
row 2	0.00	0.00	0.00	0.00

void glm_mat4x2_make(const float *__restrict src, mat4x2 dest)

Create mat4x2 (dest) from pointer (src).

Note

@src must contain at least 8 elements.

Parameters:

[in] src pointer to an array of floats (left)

[out] dest destination (result, mat4x2)

float array (1x8) (src)

	column 1
row 1	v0
row 2	v1
row 3	v2
row 4	v3
row 5	v4
row 6	v5
row 7	v6
row 8	v7

mat4x2 (dest)

	column 1	column 2	column 3	column 4
row 1	v0	v2	v4	v6
row 2	v1	v3	v5	v7

void glm_mat4x2_mul(mat4x2 m1, mat2x4 m2, mat2 dest)

Multiply mat4x2 (m1) by mat2x4 (m2) and store in mat2 (dest).

glm_mat4x2_mul(mat4x2, mat2x4, mat2);

Parameters:

[in] m1 mat4x2 (left)

[in] m2 mat2x4 (right)

[out] dest destination (result, mat2)

mat4x2 (m1)

	column 1	column 2	column 3	column 4
row 1	a00	a10	a20	a30
row 2	a01	a11	a21	a31

mat2x4 (m2)

	column 1	column 2
row 1	b00	b10
row 2	b01	b11
row 3	b02	b12
row 4	b03	b13

mat2x2 (dest)

	column 1	column 2
row 1	a00 * b00 + a10 * b01 + a20 * b02 + a30 * b03	a00 * b10 + a10 * b11 + a20 * b12 + a30 * b13
row 2	a01 * b00 + a11 * b01 + a21 * b02 + a31 * b03	a01 * b10 + a11 * b11 + a21 * b12 + a31 * b13

void glm_mat4x2_mulv(mat4x2 m, vec4 v, vec2 dest)

Multiply mat4x2 (m) by vec4 (v) and store in vec2 (dest).

Parameters:

[in] m mat4x2 (left)

[in] v vec4 (right, column vector)

[out] dest destination (result, column vector)

mat4x2 (m)

	column 1	column 2	column 3	column 4
row 1	m00	m10	m20	m30
row 2	m01	m11	m21	m31

column vec4 (1x4) (v)

	column 1
row 1	v0
row 2	v1
row 3	v2
row 4	v3

column vec2 (1x2) (dest)

	column 1
row 1	m00 * v0 + m10 * v1 + m20 * v2 + m30 * v3
row 2	m01 * v0 + m11 * v1 + m21 * v2 + m31 * v3

void glm_mat4x2_transpose(mat4x2 src, mat2x4 dest)

Transpose mat4x2 (src) and store in mat2x4 (dest).

Parameters:

[in] src mat4x2 (left)

[out] dest destination (result, mat2x4)

mat4x2 (src)

	column 1	column 2	column 3	column 4
row 1	a00	a10	a20	a30
row 2	a01	a11	a21	a31

mat2x4 (dest)

	column 1	column 2
row 1	b00 = a00	b10 = a01
row 2	b01 = a10	b11 = a11
row 3	b02 = a20	b12 = a21
row 4	b03 = a30	b13 = a31

void glm_mat4x2_scale(mat4x2 m, float s)

Multiply mat4x2 (m) by scalar constant (s).

Parameters:

[in, out] m mat4x2 (src, dest)

[in] s float (scalar)

mat4x2 (m)

	column 1	column 2	column 3	column 4
row 1	m00 = m00 * s	m10 = m10 * s	m20 = m20 * s	m30 = m30 * s
row 2	m01 = m01 * s	m11 = m11 * s	m21 = m21 * s	m31 = m31 * s