1 files changed, 37 insertions, 4 deletions

diff --git a/source/blender/blenlib/intern/math_vector_inline.c b/source/blender/blenlib/intern/math_vector_inline.c
index bf562684604..d96beadd63b 100644
--- a/source/blender/blenlib/intern/math_vector_inline.c
+++ b/source/blender/blenlib/intern/math_vector_inline.c
@@ -134,6 +134,13 @@ MINLINE void copy_v4_v4_char(char r[4], const char a[4])
 }
 
 /* short */
+MINLINE void zero_v3_int(int r[3])
+{
+	r[0] = 0;
+	r[1] = 0;
+	r[2] = 0;
+}
+
 MINLINE void copy_v2_v2_short(short r[2], const short a[2])
 {
 	r[0] = a[0];
@@ -574,6 +581,16 @@ MINLINE float len_squared_v3(const float v[3])
 	return v[0] * v[0] + v[1] * v[1] + v[2] * v[2];
 }
 
+MINLINE float len_manhattan_v2(const float v[2])
+{
+	return fabsf(v[0]) + fabsf(v[1]);
+}
+
+MINLINE float len_manhattan_v3(const float v[3])
+{
+	return fabsf(v[0]) + fabsf(v[1]) + fabsf(v[2]);
+}
+
 MINLINE float len_v2(const float v[2])
 {
 	return sqrtf(v[0] * v[0] + v[1] * v[1]);
@@ -601,20 +618,36 @@ MINLINE float len_squared_v2v2(const float a[2], const float b[2])
 	return dot_v2v2(d, d);
 }
 
-MINLINE float len_v3v3(const float a[3], const float b[3])
+MINLINE float len_squared_v3v3(const float a[3], const float b[3])
 {
 	float d[3];
 
 	sub_v3_v3v3(d, b, a);
-	return len_v3(d);
+	return dot_v3v3(d, d);
 }
 
-MINLINE float len_squared_v3v3(const float a[3], const float b[3])
+MINLINE float len_manhattan_v2v2(const float a[2], const float b[2])
+{
+	float d[2];
+
+	sub_v2_v2v2(d, b, a);
+	return len_manhattan_v2(d);
+}
+
+MINLINE float len_manhattan_v3v3(const float a[3], const float b[3])
 {
 	float d[3];
 
 	sub_v3_v3v3(d, b, a);
-	return dot_v3v3(d, d);
+	return len_manhattan_v3(d);
+}
+
+MINLINE float len_v3v3(const float a[3], const float b[3])
+{
+	float d[3];
+
+	sub_v3_v3v3(d, b, a);
+	return len_v3(d);
 }
 
 MINLINE float normalize_v2_v2(float r[2], const float a[2])