identiy helper for arrays (matrix/quaternion)

this helpers makes all array elements identity

include/cglm/call/mat3.h

@@ -24,6 +24,10 @@ CGLM_EXPORT
 void
 glmc_mat3_identity(mat3 mat);
 
+CGLM_EXPORT
+void
+glmc_mat3_identity_array(mat3 * __restrict mat, size_t count);
+
 CGLM_EXPORT
 void
 glmc_mat3_mul(mat3 m1, mat3 m2, mat3 dest);

include/cglm/call/mat4.h

@@ -29,6 +29,10 @@ CGLM_EXPORT
 void
 glmc_mat4_identity(mat4 mat);
 
+CGLM_EXPORT
+void
+glmc_mat4_identity_array(mat4 * __restrict mat, size_t count);
+
 CGLM_EXPORT
 void
 glmc_mat4_pick3(mat4 mat, mat3 dest);

include/cglm/call/quat.h

@@ -17,6 +17,10 @@ CGLM_EXPORT
 void
 glmc_quat_identity(versor q);
 
+CGLM_EXPORT
+void
+glmc_quat_identity_array(versor * __restrict q, size_t count);
+
 CGLM_EXPORT
 void
 glmc_quat_init(versor q, float x, float y, float z, float w);

include/cglm/mat3.h

@@ -16,6 +16,7 @@
  Functions:
    CGLM_INLINE void  glm_mat3_copy(mat3 mat, mat3 dest);
    CGLM_INLINE void  glm_mat3_identity(mat3 mat);
+   CGLM_INLINE void  glm_mat3_identity_array(mat3 * restrict mat, size_t count);
    CGLM_INLINE void  glm_mat3_mul(mat3 m1, mat3 m2, mat3 dest);
    CGLM_INLINE void  glm_mat3_transpose_to(mat3 m, mat3 dest);
    CGLM_INLINE void  glm_mat3_transpose(mat3 m);
@@ -85,6 +86,25 @@ glm_mat3_identity(mat3 mat) {
   glm_mat3_copy(t, mat);
 }
 
+/*!
+ * @brief make given matrix array's each element identity matrix
+ *
+ * @param[in, out]  mat   matrix array (must be aligned (16/32)
+ *                        if alignment is not disabled)
+ *
+ * @param[in]       count count of matrices
+ */
+CGLM_INLINE
+void
+glm_mat3_identity_array(mat3 * __restrict mat, size_t count) {
+  CGLM_ALIGN_MAT mat3 t = GLM_MAT3_IDENTITY_INIT;
+  size_t i;
+
+  for (i = 0; i < count; i++) {
+    glm_mat3_copy(t, mat[i]);
+  }
+}
+
 /*!
  * @brief multiply m1 and m2 to dest
  *

include/cglm/mat4.h

@@ -23,6 +23,7 @@
    CGLM_INLINE void  glm_mat4_ucopy(mat4 mat, mat4 dest);
    CGLM_INLINE void  glm_mat4_copy(mat4 mat, mat4 dest);
    CGLM_INLINE void  glm_mat4_identity(mat4 mat);
+   CGLM_INLINE void  glm_mat4_identity_array(mat4 * restrict mat, size_t count);
    CGLM_INLINE void  glm_mat4_pick3(mat4 mat, mat3 dest);
    CGLM_INLINE void  glm_mat4_pick3t(mat4 mat, mat3 dest);
    CGLM_INLINE void  glm_mat4_ins3(mat3 mat, mat4 dest);
@@ -143,6 +144,25 @@ glm_mat4_identity(mat4 mat) {
   glm_mat4_copy(t, mat);
 }
 
+/*!
+ * @brief make given matrix array's each element identity matrix
+ *
+ * @param[in, out]  mat   matrix array (must be aligned (16/32)
+ *                        if alignment is not disabled)
+ *
+ * @param[in]       count count of matrices
+ */
+CGLM_INLINE
+void
+glm_mat4_identity_array(mat4 * __restrict mat, size_t count) {
+  CGLM_ALIGN_MAT mat4 t = GLM_MAT4_IDENTITY_INIT;
+  size_t i;
+
+  for (i = 0; i < count; i++) {
+    glm_mat4_copy(t, mat[i]);
+  }
+}
+
 /*!
  * @brief copy upper-left of mat4 to mat3
  *

include/cglm/quat.h

@@ -103,6 +103,25 @@ glm_quat_identity(versor q) {
   glm_vec4_copy(v, q);
 }
 
+/*!
+ * @brief make given quaternion array's each element identity quaternion
+ *
+ * @param[in, out]  q     quat array (must be aligned (16)
+ *                        if alignment is not disabled)
+ *
+ * @param[in]       count count of quaternions
+ */
+CGLM_INLINE
+void
+glm_quat_identity_array(versor * __restrict q, size_t count) {
+  CGLM_ALIGN(16) versor v = GLM_QUAT_IDENTITY_INIT;
+  size_t i;
+
+  for (i = 0; i < count; i++) {
+    glm_vec4_copy(v, q[i]);
+  }
+}
+
 /*!
  * @brief inits quaterion with raw values
  *

include/cglm/simd/sse2/mat4.h

@@ -16,7 +16,7 @@
 
 CGLM_INLINE
 void
-glm_mat4_scale_sse2(mat4 m, float s){
+glm_mat4_scale_sse2(mat4 m, float s) {
   __m128 x0;
   x0 = _mm_set1_ps(s);
 
@@ -28,7 +28,7 @@ glm_mat4_scale_sse2(mat4 m, float s){
 
 CGLM_INLINE
 void
-glm_mat4_transp_sse2(mat4 m, mat4 dest){
+glm_mat4_transp_sse2(mat4 m, mat4 dest) {
   __m128 r0, r1, r2, r3;
 
   r0 = glmm_load(m[0]);

include/cglm/version.h

@@ -10,6 +10,6 @@
 
 #define CGLM_VERSION_MAJOR 0
 #define CGLM_VERSION_MINOR 4
-#define CGLM_VERSION_PATCH 8
+#define CGLM_VERSION_PATCH 9
 
 #endif /* cglm_version_h */