speed up get_path_length() by not computing the norm twice

1 files changed, 1 insertions, 1 deletions

diff --git a/src/misc.c b/src/misc.c
index d5667e8..3c004e4 100644
--- a/src/misc.c
+++ b/src/misc.c
@@ -253,7 +253,7 @@ void get_path_length(double *pos1, double *pos2, double R, double *l1, double *l
 
     l = NORM(dir);
 
-    normalize(dir);
+    DIV(dir,l);
 
     b = 2*DOT(dir,pos1);
     c = DOT(pos1,pos1) - R*R;