- use double precision to store the position / zoom / other stuff

- some temporary fix to get a +50% improvement from vectorization until
  we have vectorisation for comparisons and redux

1 files changed, 2 insertions, 2 deletions

diff --git a/demos/mandelbrot/mandelbrot.h b/demos/mandelbrot/mandelbrot.h
index ea2ee6084..23df7c9dd 100644
--- a/demos/mandelbrot/mandelbrot.h
+++ b/demos/mandelbrot/mandelbrot.h
@@ -9,8 +9,8 @@ class MandelbrotWidget : public QWidget
 {
     Q_OBJECT
 
-    Eigen::Vector2f center;
-    float xradius;
+    Eigen::Vector2d center;
+    double xradius;
     int size;
     unsigned char *buffer;
     QPoint lastpos;