1 files changed, 2 insertions, 2 deletions

diff --git a/ws2015/eip/blaetter/04/Schleife.java b/ws2015/eip/blaetter/04/Schleife.java
index a693cb0..09c10fb 100644
--- a/ws2015/eip/blaetter/04/Schleife.java
+++ b/ws2015/eip/blaetter/04/Schleife.java
@@ -28,8 +28,8 @@ public class Schleife {
     }
 
     private static double f(int x, int y) {
-        double xprime = (x - 200) / 120;
-        double yprime = (200 - y) / 100;
+        double xprime = (x - 200) / 120.0;
+        double yprime = (200 - y) / 100.0;
         return Math.pow(xprime * xprime + yprime * yprime - 1, 3) - (xprime * xprime * yprime * yprime * yprime);
           // pow is comparatively expensive (at least it would be if this were C ;) )
     }