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add some missing non-square matrix funcs

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Recep Aslantas
2023-07-22 13:37:36 +03:00
parent 6e9e91be05
commit dbb85f24c8
18 changed files with 519 additions and 6 deletions
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54
include/cglm/mat2x4.h
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@@ -11,7 +11,13 @@
GLM_MAT2X4_ZERO
Functions:
CGLM_INLINE void glm_mat2x4_make(float * restrict src, mat2x4 dest)
CGLM_INLINE void glm_mat2x4_copy(mat2x4 mat, mat2x4 dest);
CGLM_INLINE void glm_mat2x4_zero(mat2x4 mat);
CGLM_INLINE void glm_mat2x4_make(float * __restrict src, mat2x4 dest);
CGLM_INLINE void glm_mat2x4_mul(mat2x4 m1, mat4x2 m2, mat2 dest);
CGLM_INLINE void glm_mat2x4_mulv(mat2x4 m, vec4 v, vec2 dest);
CGLM_INLINE void glm_mat2x4_transpose(mat2x4 m, mat4x2 dest);
CGLM_INLINE void glm_mat2x4_scale(mat2x4 m, float s);
*/
#ifndef cglm_mat2x4_h
@@ -102,4 +108,50 @@ glm_mat2x4_mul(mat2x4 m1, mat4x2 m2, mat2 dest) {
dest[1][1] = a01 * b10 + a11 * b11 + a21 * b21 + a31 * b31;
}
/*!
* @brief multiply matrix with column vector and store in dest vector
*
* @param[in] m matrix (left)
* @param[in] v vector (right, column vector)
* @param[out] dest result vector
*/
CGLM_INLINE
void
glm_mat2x4_mulv(mat2x4 m, vec4 v, vec2 dest) {
float v0 = v[0], v1 = v[1], v2 = v[2], v3 = v[3];
dest[0] = m[0][0] * v0 + m[0][1] * v1 + m[0][2] * v2 + m[0][3] * v3;
dest[1] = m[1][0] * v0 + m[1][1] * v1 + m[1][2] * v2 + m[1][3] * v3;
}
/*!
* @brief transpose matrix and store in dest
*
* @param[in] m matrix
* @param[out] dest result
*/
CGLM_INLINE
void
glm_mat2x4_transpose(mat2x4 m, mat4x2 dest) {
dest[0][0] = m[0][0]; dest[0][1] = m[1][0];
dest[1][0] = m[0][1]; dest[1][1] = m[1][1];
dest[2][0] = m[0][2]; dest[2][1] = m[1][2];
dest[3][0] = m[0][3]; dest[3][1] = m[1][3];
}
/*!
* @brief scale (multiply with scalar) matrix
*
* multiply matrix with scalar
*
* @param[in, out] m matrix
* @param[in] s scalar
*/
CGLM_INLINE
void
glm_mat2x4_scale(mat2x4 m, float s) {
m[0][0] *= s; m[0][1] *= s; m[0][2] *= s; m[0][3] *= s;
m[1][0] *= s; m[1][1] *= s; m[2][2] *= s; m[3][3] *= s;
}
#endif