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Merge pull request #405 from EasyIP2023/bugfix/mat2x4-mutli

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mat2x4: fix multiplication functions
This commit is contained in:
Recep Aslantas
2024-03-31 13:40:45 +03:00
committed by GitHub
parent c9adbaabd7 54dfbc5a28
commit 25b33fab6b
7 changed files with 123 additions and 50 deletions
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docs/source/mat2x4.rst
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@@ -23,6 +23,17 @@ Functions:
#. :c:func:`glm_mat2x4_transpose`
#. :c:func:`glm_mat2x4_scale`
Represented
~~~~~~~~~~~
.. csv-table:: mat2x4
:header: "", "column 1", "column 2"
"row 1", "m00", "m10"
"row 2", "m01", "m11"
"row 3", "m02", "m12"
"row 4", "m03", "m13"
Functions documentation
~~~~~~~~~~~~~~~~~~~~~~~
@@ -51,28 +62,72 @@ Functions documentation
| *[in]* **src** pointer to an array of floats
| *[out]* **dest** destination matrix2x4
.. c:function:: void glm_mat2x4_mul(mat2x4 m1, mat4x2 m2, mat2 dest)
.. c:function:: void glm_mat2x4_mul(mat2x4 m1, mat4x2 m2, mat4 dest)
multiply m1 and m2 to dest
.. code-block:: c
glm_mat2x4_mul(mat2x4, mat4x2, mat2);
glm_mat2x4_mul(mat2x4, mat4x2, mat4);
Parameters:
| *[in]* **m1** left matrix (mat2x4)
| *[in]* **m2** right matrix (mat4x2)
| *[out]* **dest** destination matrix (mat2)
| *[out]* **dest** destination matrix (mat4)
.. c:function:: void glm_mat2x4_mulv(mat2x4 m, vec4 v, vec2 dest)
.. csv-table:: mat2x4
:header: "", "column 1", "column 2"
multiply mat2x4 with vec4 (column vector) and store in dest vector
"row 1", "a00", "a10"
"row 2", "a01", "a11"
"row 3", "a02", "a12"
"row 4", "a03", "a13"
.. csv-table:: mat4x2
:header: "", "column 1", "column 2", "column 3", "column 4"
"row 1", "b00", "b10", "b20", "b30"
"row 2", "b01", "b11", "b21", "b31"
.. csv-table:: mat4x4
:header: "", "column 1", "column 2", "column 3", "column 4"
"row 1", "a00 * b00 + a10 * b01", "a00 * b10 + a10 * b11", "a00 * b20 + a10 * b21", "a00 * b30 + a10 * b31"
"row 2", "a01 * b00 + a11 * b01", "a01 * b10 + a11 * b11", "a01 * b20 + a11 * b21", "a01 * b30 + a11 * b31"
"row 3", "a02 * b00 + a12 * b01", "a02 * b10 + a12 * b11", "a02 * b20 + a12 * b21", "a02 * b30 + a12 * b31"
"row 4", "a03 * b00 + a13 * b01", "a03 * b10 + a13 * b11", "a03 * b20 + a13 * b21", "a03 * b30 + a13 * b31"
.. c:function:: void glm_mat2x4_mulv(mat2x4 m, vec2 v, vec4 dest)
multiply mat2x4 with vec2 (column vector) and store in dest column vector
Parameters:
| *[in]* **m** mat2x4 (left)
| *[in]* **v** vec4 (right, column vector)
| *[in]* **v** vec2 (right, column vector)
| *[out]* **dest** destination (result, column vector)
.. csv-table:: mat2x4
:header: "", "column 1", "column 2"
"row 1", "m00", "m10"
"row 2", "m01", "m11"
"row 3", "m02", "m12"
"row 4", "m03", "m13"
.. csv-table:: column vec2 (1x2)
:header: "", "column 1"
"row 1", "v0"
"row 2", "v1"
.. csv-table:: column vec4 (1x4)
:header: "", "column 1"
"row 1", "m00 * v0 + m10 * v1"
"row 2", "m01 * v0 + m11 * v1"
"row 3", "m02 * v0 + m12 * v1"
"row 4", "m03 * v0 + m13 * v1"
.. c:function:: void glm_mat2x4_transpose(mat2x4 m, mat4x2 dest)
transpose matrix and store in dest