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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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53
include/cglm/mat3x2.h
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@@ -11,7 +11,13 @@
GLM_MAT3X2_ZERO
Functions:
CGLM_INLINE void glm_mat3x2_make(float * restrict src, mat3x2 dest)
CGLM_INLINE void glm_mat3x2_copy(mat3x2 mat, mat3x2 dest);
CGLM_INLINE void glm_mat3x2_zero(mat3x2 mat);
CGLM_INLINE void glm_mat3x2_make(float * __restrict src, mat3x2 dest);
CGLM_INLINE void glm_mat3x2_mul(mat3x2 m1, mat2x3 m2, mat3 dest);
CGLM_INLINE void glm_mat3x2_mulv(mat3x2 m, vec2 v, vec3 dest);
CGLM_INLINE void glm_mat3x2_transpose(mat3x2 m, mat2x3 dest);
CGLM_INLINE void glm_mat3x2_scale(mat3x2 m, float s);
*/
#ifndef cglm_mat3x2_h
@@ -110,4 +116,49 @@ glm_mat3x2_mul(mat3x2 m1, mat2x3 m2, mat3 dest) {
dest[2][2] = a20 * b02 + a21 * b12;
}
/*!
* @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_mat3x2_mulv(mat3x2 m, vec2 v, vec3 dest) {
float v0 = v[0], v1 = v[1];
dest[0] = m[0][0] * v0 + m[0][1] * v1;
dest[1] = m[1][0] * v0 + m[1][1] * v1;
dest[2] = m[2][0] * v0 + m[2][1] * v1;
}
/*!
* @brief transpose matrix and store in dest
*
* @param[in] m matrix
* @param[out] dest result
*/
CGLM_INLINE
void
glm_mat3x2_transpose(mat3x2 m, mat2x3 dest) {
dest[0][0] = m[0][0]; dest[0][1] = m[1][0]; dest[0][2] = m[2][0];
dest[1][0] = m[0][1]; dest[1][1] = m[1][1]; dest[1][2] = m[2][1];
}
/*!
* @brief scale (multiply with scalar) matrix
*
* multiply matrix with scalar
*
* @param[in, out] m matrix
* @param[in] s scalar
*/
CGLM_INLINE
void
glm_mat3x2_scale(mat3x2 m, float s) {
m[0][0] *= s; m[0][1] *= s; m[1][0] *= s;
m[1][1] *= s; m[2][0] *= s; m[2][1] *= s;
}
#endif