Merged the particles-2010 branch with node improvements into trunk.

This branch adds mostly organizational improvements to the node system by renaming the node folders and files. A couple of internal features have been added too.
Detailed information can be found on the wiki page:

http://wiki.blender.org/index.php/User:Phonybone/Particles2010

1 files changed, 18 insertions, 0 deletions

diff --git a/source/blender/blenlib/intern/math_matrix.c b/source/blender/blenlib/intern/math_matrix.c
index 3c79a77707a..e2f594376cb 100644
--- a/source/blender/blenlib/intern/math_matrix.c
+++ b/source/blender/blenlib/intern/math_matrix.c
@@ -451,6 +451,24 @@ void add_m4_m4m4(float m1[][4], float m2[][4], float m3[][4])
 			m1[i][j]= m2[i][j] + m3[i][j];
 }
 
+void sub_m3_m3m3(float m1[][3], float m2[][3], float m3[][3])
+{
+	int i, j;
+
+	for(i=0;i<3;i++)
+		for(j=0;j<3;j++)
+			m1[i][j]= m2[i][j] - m3[i][j];
+}
+
+void sub_m4_m4m4(float m1[][4], float m2[][4], float m3[][4])
+{
+	int i, j;
+
+	for(i=0;i<4;i++)
+		for(j=0;j<4;j++)
+			m1[i][j]= m2[i][j] - m3[i][j];
+}
+
 int invert_m3(float m[3][3])
 {
 	float tmp[3][3];