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218 lines
6.6 KiB
ReStructuredText
218 lines
6.6 KiB
ReStructuredText
.. default-domain:: C
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mat4x3
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======
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Header: cglm/mat4x3.h
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Table of contents (click to go):
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Macros:
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1. GLM_MAT4X3_ZERO_INIT
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#. GLM_MAT4X3_ZERO
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Functions:
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1. :c:func:`glm_mat4x3_copy`
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#. :c:func:`glm_mat4x3_zero`
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#. :c:func:`glm_mat4x3_make`
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#. :c:func:`glm_mat4x3_mul`
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#. :c:func:`glm_mat4x3_mulv`
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#. :c:func:`glm_mat4x3_transpose`
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#. :c:func:`glm_mat4x3_scale`
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Represented
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~~~~~~~~~~~
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.. csv-table:: mat4x3
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:header: "", "column 1", "column 2", "column 3", "column 4"
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"row 1", "m00", "m10", "m20", "m30"
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"row 2", "m01", "m11", "m21", "m31"
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"row 3", "m02", "m12", "m22", "m32"
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Functions documentation
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~~~~~~~~~~~~~~~~~~~~~~~
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.. c:function:: void glm_mat4x3_copy(mat4x3 src, mat4x3 dest)
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Copy mat4x3 (src) to mat4x3 (dest).
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Parameters:
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| *[in]* **src** mat4x3 (left)
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| *[out]* **dest** destination (result, mat4x3)
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.. csv-table:: mat4x3 **(src)**
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:header: "", "column 1", "column 2", "column 3", "column 4"
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"row 1", "a00", "a10", "a20", "a30"
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"row 2", "a01", "a11", "a21", "a31"
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"row 3", "a02", "a12", "a22", "a32"
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.. csv-table:: mat4x3 **(dest)**
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:header: "", "column 1", "column 2", "column 3", "column 4"
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"row 1", "b00 = a00", "b10 = a10", "b20 = a20", "b30 = a30"
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"row 2", "b01 = a01", "b11 = a11", "b21 = a21", "b31 = a31"
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"row 3", "b02 = a02", "b12 = a12", "b22 = a22", "b32 = a32"
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.. c:function:: void glm_mat4x3_zero(mat4x3 m)
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Zero out the mat4x3 (m).
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Parameters:
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| *[in, out]* **m** mat4x3 (src, dest)
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.. csv-table:: mat4x3 **(m)**
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:header: "", "column 1", "column 2", "column 3", "column 4"
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"row 1", "0.00", "2.00", "15.00", "44.00"
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"row 2", "5.00", "4.00", "6.00", "12.00"
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"row 3", "88.00", "8.00", "4.30", "15.00"
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.. csv-table:: mat4x3 **(m)**
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:header: "", "column 1", "column 2", "column 3", "column 4"
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"row 1", "0.00", "0.00", "0.00", "0.00"
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"row 2", "0.00", "0.00", "0.00", "0.00"
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"row3", "0.00", "0.00", "0.00", "0.00"
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.. c:function:: void glm_mat4x3_make(const float * __restrict src, mat4x3 dest)
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Create mat4x3 (dest) from pointer (src).
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.. note:: **@src** must contain at least 12 elements.
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Parameters:
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| *[in]* **src** pointer to an array of floats (left)
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| *[out]* **dest** destination (result, mat4x3)
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.. csv-table:: float array (1x12) **(src)**
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:header: "", "column 1"
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"row 1", "v0"
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"row 2", "v1"
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"row 3", "v2"
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"row 4", "v3"
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"row 5", "v4"
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"row 6", "v5"
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"row 7", "v6"
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"row 8", "v7"
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"row 9", "v8"
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"row 10", "v9"
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"row 11", "v10"
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"row 12", "v11"
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.. csv-table:: mat4x3 **(dest)**
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:header: "", "column 1", "column 2", "column 3", "column 4"
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"row 1", "v0", "v3", "v6", "v9"
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"row 2", "v1", "v4", "v7", "v10"
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"row 3", "v2", "v5", "v8", "v11"
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.. c:function:: void glm_mat4x3_mul(mat4x3 m1, mat3x4 m2, mat3 dest)
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Multiply mat4x3 (m1) by mat3x4 (m2) and store in mat3 (dest).
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.. code-block:: c
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glm_mat4x3_mul(mat4x3, mat3x4, mat3);
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Parameters:
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| *[in]* **m1** mat4x3 (left)
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| *[in]* **m2** mat3x4 (right)
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| *[out]* **dest** destination (result, mat3)
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.. csv-table:: mat4x3 **(m1)**
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:header: "", "column 1", "column 2", "column 3", "column 4"
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"row 1", "a00", "a10", "a20", "a30"
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"row 2", "a01", "a11", "a21", "a31"
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"row 3", "a02", "a12", "a22", "a32"
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.. csv-table:: mat3x4 **(m2)**
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:header: "", "column 1", "column 2", "column 3"
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"row 1", "b00", "b10", "b20"
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"row 2", "b01", "b11", "b21"
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"row 3", "b02", "b12", "b22"
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"row 4", "b03", "b13", "b23"
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.. csv-table:: mat3x3 **(dest)**
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:header: "", "column 1", "column 2", "column 3"
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"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"
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"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"
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"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"
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.. c:function:: void glm_mat4x3_mulv(mat4x3 m, vec4 v, vec3 dest)
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Multiply mat4x3 (m) by vec4 (v) and store in vec3 (dest).
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Parameters:
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| *[in]* **m** mat4x3 (left)
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| *[in]* **v** vec4 (right, column vector)
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| *[out]* **dest** destination (result, column vector)
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.. csv-table:: mat4x3 **(m)**
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:header: "", "column 1", "column 2", "column 3", "column 4"
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"row 1", "m00", "m10", "m20", "m30"
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"row 2", "m01", "m11", "m21", "m31"
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"row 3", "m02", "m12", "m22", "m32"
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.. csv-table:: column vec4 (1x4) **(v)**
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:header: "", "column 1"
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"row 1", "v0"
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"row 2", "v1"
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"row 3", "v2"
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"row 4", "v3"
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.. csv-table:: column vec3 (1x3) **(dest)**
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:header: "", "column 1"
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"row 1", "m00 * v0 + m10 * v1 + m20 * v2 + m30 * v3"
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"row 2", "m01 * v0 + m11 * v1 + m21 * v2 + m31 * v3"
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"row 3", "m02 * v0 + m12 * v1 + m22 * v2 + m32 * v3"
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.. c:function:: void glm_mat4x3_transpose(mat4x3 src, mat3x4 dest)
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Transpose mat4x3 (src) and store in mat3x4 (dest).
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Parameters:
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| *[in]* **src** mat4x3 (left)
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| *[out]* **dest** destination (result, mat3x4)
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.. csv-table:: mat4x3 **(src)**
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:header: "", "column 1", "column 2", "column 3", "column 4"
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"row 1", "a00", "a10", "a20", "a30"
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"row 2", "a01", "a11", "a21", "a31"
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"row 3", "a02", "a12", "a22", "a32"
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.. csv-table:: mat3x4 **(dest)**
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:header: "", "column 1", "column 2", "column 3"
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"row 1", "b00 = a00", "b10 = a01", "b20 = a02"
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"row 2", "b01 = a10", "b11 = a11", "b21 = a12"
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"row 3", "b02 = a20", "b12 = a21", "b22 = a22"
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"row 4", "b03 = a30", "b13 = a31", "b23 = a32"
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.. c:function:: void glm_mat4x3_scale(mat4x3 m, float s)
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Multiply mat4x3 (m) by scalar constant (s).
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Parameters:
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| *[in, out]* **m** mat4x3 (src, dest)
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| *[in]* **s** float (scalar)
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.. csv-table:: mat4x3 **(m)**
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:header: "", "column 1", "column 2", "column 3", "column 4"
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"row 1", "m00 = m00 * s", "m10 = m10 * s", "m20 = m20 * s", "m30 = m30 * s"
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"row 2", "m01 = m01 * s", "m11 = m11 * s", "m21 = m21 * s", "m31 = m31 * s"
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"row 3", "m02 = m02 * s", "m12 = m12 * s", "m22 = m22 * s", "m32 = m32 * s"
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