12 files changed, 70 insertions, 65 deletions

diff --git a/src/controller/callbacks/mouse_wheel.c b/src/controller/callbacks/mouse_wheel.c
index 9ca73bc..05ce734 100644
--- a/src/controller/callbacks/mouse_wheel.c
+++ b/src/controller/callbacks/mouse_wheel.c
@@ -6,7 +6,7 @@
 
 #define S state0
 
-void 
+void
 mouse_wheel (int button, int dir, int x, int y)
 {
   /*
@@ -14,8 +14,8 @@ mouse_wheel (int button, int dir, int x, int y)
    * start at the position of the mouse.  Calculate a bounding box
    * that will be the selection and zoom to it.
    */
-  double width = fabs(S.ortho.max_x - S.ortho.min_x);
-  double height = fabs(S.ortho.max_y - S.ortho.min_y);
+  double width = fabs (S.ortho.max_x - S.ortho.min_x);
+  double height = fabs (S.ortho.max_y - S.ortho.min_y);
 
   /*
    * Box the smaller of the two dimensions.
@@ -60,7 +60,7 @@ mouse_wheel (int button, int dir, int x, int y)
     }
 
   // Zoom in
-  if (dir > 0) 
+  if (dir > 0)
     {
       zoom (x1 + step, y1 + step, x2 - step, y2 - step);
     }