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Merge pull request #411 from EasyIP2023/bugfix/mat4x3-multiplication

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mat4x3: fix multiplication functions
This commit is contained in:
Recep Aslantas
2024-03-31 23:44:00 +03:00
committed by GitHub
parent f07d75c680 013ac5dd07
commit 28142b5912
6 changed files with 105 additions and 60 deletions
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docs/source/mat4x3.rst
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@@ -23,6 +23,16 @@ Functions:
#. :c:func:`glm_mat4x3_transpose`
#. :c:func:`glm_mat4x3_scale`
Represented
~~~~~~~~~~~
.. csv-table:: mat4x3
:header: "", "column 1", "column 2", "column 3", "column4"
"row 1", "m00", "m10", "m20", "m30"
"row 2", "m01", "m11", "m21", "m31"
"row 3", "m02", "m12", "m22", "m32"
Functions documentation
~~~~~~~~~~~~~~~~~~~~~~~
@@ -51,28 +61,72 @@ Functions documentation
| *[in]* **src** pointer to an array of floats
| *[out]* **dest** destination matrix4x3
.. c:function:: void glm_mat4x3_mul(mat4x3 m1, mat3x4 m2, mat4 dest)
.. c:function:: void glm_mat4x3_mul(mat4x3 m1, mat3x4 m2, mat3 dest)
multiply m1 and m2 to dest
.. code-block:: c
glm_mat4x3_mul(mat4x3, mat3x4, mat4);
glm_mat4x3_mul(mat4x3, mat3x4, mat3);
Parameters:
| *[in]* **m1** left matrix (mat4x3)
| *[in]* **m2** right matrix (mat3x4)
| *[out]* **dest** destination matrix (mat4)
| *[out]* **dest** destination matrix (mat3)
.. c:function:: void glm_mat4x3_mulv(mat4x3 m, vec3 v, vec4 dest)
.. csv-table:: mat4x3
:header: "", "column 1", "column 2", "column 3", "column 4"
multiply mat4x3 with vec3 (column vector) and store in dest vector
"row 1", "a00", "a10", "a20", "a30"
"row 2", "a01", "a11", "a21", "a31"
"row 3", "a02", "a12", "a22", "a32"
.. csv-table:: mat3x4
:header: "", "column 1", "column 2", "column 3"
"row 1", "b00", "b10", "b20"
"row 2", "b01", "b11", "b21"
"row 3", "b02", "b12", "b22"
"row 4", "b03", "b13", "b23"
.. csv-table:: mat3x3
:header: "", "column 1", "column 2", "column 3"
"row 1", "a00 * b00 + a10 * b01 + a20 * b02 + a30 * b03", "a00 * b10 + a10 * b11 + a20 * b12 + a30 * b13", "a00 * b20 + a10 * b21 + a20 * b22 + a30 * b23"
"row 2", "a01 * b00 + a11 * b01 + a21 * b02 + a31 * b03", "a01 * b10 + a11 * b11 + a21 * b12 + a31 * b13", "a01 * b20 + a11 * b21 + a21 * b22 + a31 * b23"
"row 3", "a02 * b00 + a12 * b01 + a22 * b02 + a32 * b03", "a02 * b10 + a12 * b11 + a22 * b12 + a32 * b13", "a02 * b20 + a12 * b21 + a22 * b22 + a32 * b23"
.. c:function:: void glm_mat4x3_mulv(mat4x3 m, vec4 v, vec3 dest)
multiply mat4x3 with vec4 (column vector) and store in dest column vector
Parameters:
| *[in]* **m** mat4x3 (left)
| *[in]* **v** vec3 (right, column vector)
| *[in]* **v** vec4 (right, column vector)
| *[out]* **dest** destination (result, column vector)
.. csv-table:: mat4x3
:header: "", "column 1", "column 2", "column 3", "column 4"
"row 1", "m00", "m10", "m20", "m30"
"row 2", "m01", "m11", "m21", "m31"
"row 3", "m02", "m12", "m22", "m32"
.. csv-table:: column vec4 (1x4)
:header: "", "column 1"
"row 1", "v0"
"row 2", "v1"
"row 3", "v2"
"row 4", "v3"
.. csv-table:: column vec3 (1x3)
:header: "", "column 1"
"row 1", "m00 * v0 + m10 * v1 + m20 * v2 + m30 * v3"
"row 2", "m01 * v0 + m11 * v1 + m21 * v2 + m31 * v3"
"row 3", "m02 * v0 + m12 * v1 + m22 * v2 + m32 * v3"
.. c:function:: void glm_mat4x3_transpose(mat4x3 m, mat3x4 dest)
transpose matrix and store in dest