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Merge pull request #410 from EasyIP2023/bugfix/mat4x2-multiplication

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mat4x2: fix multiplication functions
This commit is contained in:
Recep Aslantas
2024-03-31 23:43:11 +03:00
committed by GitHub
parent 17d8b83a38 85165dd3e3
commit f07d75c680
6 changed files with 97 additions and 62 deletions
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docs/source/mat4x2.rst
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@@ -23,6 +23,15 @@ Functions:
#. :c:func:`glm_mat4x2_transpose`
#. :c:func:`glm_mat4x2_scale`
Represented
~~~~~~~~~~~
.. csv-table:: mat4x2
:header: "", "column 1", "column 2", "column 3", "column4"
"row 1", "m00", "m10", "m20", "m30"
"row 2", "m01", "m11", "m21", "m31"
Functions documentation
~~~~~~~~~~~~~~~~~~~~~~~
@@ -51,28 +60,70 @@ Functions documentation
| *[in]* **src** pointer to an array of floats
| *[out]* **dest** destination matrix4x2
.. c:function:: void glm_mat4x2_mul(mat4x2 m1, mat2x4 m2, mat4 dest)
.. c:function:: void glm_mat4x2_mul(mat4x2 m1, mat2x4 m2, mat2 dest)
multiply m1 and m2 to dest
.. code-block:: c
glm_mat4x2_mul(mat4x2, mat2x4, mat4);
glm_mat4x2_mul(mat4x2, mat2x4, mat2);
Parameters:
| *[in]* **m1** left matrix (mat4x2)
| *[in]* **m2** right matrix (mat2x4)
| *[out]* **dest** destination matrix (mat4)
| *[out]* **dest** destination matrix (mat2)
.. c:function:: void glm_mat4x2_mulv(mat4x2 m, vec2 v, vec4 dest)
.. csv-table:: mat4x2
:header: "", "column 1", "column 2", "column 3", "column 4"
multiply mat4x2 with vec2 (column vector) and store in dest vector
"row 1", "a00", "a10", "a20", "a30"
"row 2", "a01", "a11", "a21", "a31"
.. csv-table:: mat2x4
:header: "", "column 1", "column 2"
"row 1", "b00", "b10"
"row 2", "b01", "b11"
"row 3", "b02", "b12"
"row 4", "b03", "b13"
.. csv-table:: mat2x2
:header: "", "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"
.. c:function:: void glm_mat4x2_mulv(mat4x2 m, vec4 v, vec2 dest)
multiply mat4x2 with vec4 (column vector) and store in dest vector
Parameters:
| *[in]* **m** mat4x2 (left)
| *[in]* **v** vec2 (right, column vector)
| *[in]* **v** vec4 (right, column vector)
| *[out]* **dest** destination (result, column vector)
.. csv-table:: mat4x2
:header: "", "column 1", "column 2", "column 3"
"row 1", "m00", "m10", "m20"
"row 2", "m01", "m11", "m21"
"row 3", "m02", "m12", "m22"
"row 4", "m03", "m13", "m23"
.. csv-table:: column vec4 (1x4)
:header: "", "column 1"
"row 1", "v0"
"row 2", "v1"
"row 3", "v2"
"row 4", "v3"
.. csv-table:: column vec2 (1x2)
:header: "", "column 1"
"row 1", "m00 * v0 + m10 * v1 + m20 * v2 + m30 * v3"
"row 2", "m01 * v0 + m11 * v1 + m21 * v2 + m31 * v3"
.. c:function:: void glm_mat4x2_transpose(mat4x2 m, mat2x4 dest)
transpose matrix and store in dest