Merged changes in the trunk up to revision 45133.

Conflicts resolved:
source/blender/blenloader/intern/readfile.c
source/blender/blenloader/intern/writefile.c
source/blender/bmesh/intern/bmesh_construct.c
source/blender/bmesh/intern/bmesh_mesh_conv.c
source/blender/bmesh/intern/bmesh_mesh_conv.h
source/blender/editors/interface/interface_templates.c
source/blender/editors/interface/resources.c
source/blender/editors/mesh/bmesh_select.c
source/blender/editors/mesh/bmesh_tools.c
source/blender/editors/space_view3d/drawobject.c
source/blender/render/intern/source/shadeoutput.c

1 files changed, 1 insertions, 0 deletions

diff --git a/source/blender/blenlib/BLI_math_vector.h b/source/blender/blenlib/BLI_math_vector.h
index 1a24acfe1a5..b8b53f1ba7c 100644
--- a/source/blender/blenlib/BLI_math_vector.h
+++ b/source/blender/blenlib/BLI_math_vector.h
@@ -176,6 +176,7 @@ MINLINE float line_point_side_v2(const float l1[2], const float l2[2], const flo
 /* - angle_normalized_* is faster equivalent if vectors are normalized       */
 
 float angle_v2v2(const float a[2], const float b[2]);
+float angle_signed_v2v2(const float v1[2], const float v2[2]);
 float angle_v2v2v2(const float a[2], const float b[2], const float c[2]);
 float angle_normalized_v2v2(const float a[2], const float b[2]);
 float angle_v3v3(const float a[3], const float b[3]);