[#24267] Hook fails after Solidify

Solidify modifier wasn't assigning origindex values.

- BLI_math.h array functions: range_vni(), mul_vn_fl(), mul_vn_vn_fl(), add_vn_vn(), fill_vni().
- define 'AT' as __FILE__ ":" STRINGIFY(__LINE__), useful for quick debug prints.

2 files changed, 48 insertions, 0 deletions

diff --git a/source/blender/blenlib/BLI_math_vector.h b/source/blender/blenlib/BLI_math_vector.h
index 5c17ac6b639..93d463e17ea 100644
--- a/source/blender/blenlib/BLI_math_vector.h
+++ b/source/blender/blenlib/BLI_math_vector.h
@@ -165,6 +165,14 @@ MINLINE void normal_float_to_short_v3(short r[3], const float n[3]);
 
 void minmax_v3v3_v3(float min[3], float max[3], const float vec[3]);
 
+/***************************** Array Functions *******************************/
+/* attempted to follow fixed length vertex functions. names could be improved*/
+void range_vni(int *array, const int size, const int start);
+void mul_vn_fl(float *array, int size, const float f);
+void mul_vn_vn_fl(float *array_tar, const float *array_src, int size, const float f);
+void add_vn_vn(float *array_tar, const float *array_src, const int size);
+void fill_vni(int *array_tar, const int size, const int val);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/source/blender/blenlib/intern/math_vector.c b/source/blender/blenlib/intern/math_vector.c
index e3cb5b37470..35476a8aba9 100644
--- a/source/blender/blenlib/intern/math_vector.c
+++ b/source/blender/blenlib/intern/math_vector.c
@@ -354,3 +354,43 @@ void minmax_v3v3_v3(float min[3], float max[3], const float vec[3])
 	if(max[2]<vec[2]) max[2]= vec[2];
 }
 
+
+/***************************** Array Functions *******************************/
+
+void range_vni(int *array_tar, const int size, const int start)
+{
+	int *array_pt= array_tar + (size-1);
+	int j= start + (size-1);
+	int i= size;
+	while(i--) { *(array_pt--) = j--; }
+}
+
+void mul_vn_fl(float *array_tar, const int size, const float f)
+{
+	float *array_pt= array_tar + (size-1);
+	int i= size;
+	while(i--) { *(array_pt--) *= f; }
+}
+
+void mul_vn_vn_fl(float *array_tar, const float *array_src, const int size, const float f)
+{
+	float *tar= array_tar + (size-1);
+	const float *src= array_src + (size-1);
+	int i= size;
+	while(i--) { *(tar--) = *(src--) * f; }
+}
+
+void add_vn_vn(float *array_tar, const float *array_src, const int size)
+{
+	float *tar= array_tar + (size-1);
+	const float *src= array_src + (size-1);
+	int i= size;
+	while(i--) { *(tar--) += *(src--); }
+}
+
+void fill_vni(int *array_tar, const int size, const int val)
+{
+	int *tar= array_tar + (size-1);
+	int i= size;
+	while(i--) { *(tar--) = val; }
+}