[arrayfire] 39/79: Updated fractal example

[Ghislain Vaillant]

This is an automated email from the git hooks/post-receive script.

ghisvail-guest pushed a commit to branch master
in repository arrayfire.

commit 67181735f8048b908c114983c59adbcb1f777d04
Author: Umar Arshad <umar at arrayfire.com>
Date:   Tue Jun 9 16:28:09 2015 -0400

    Updated fractal example
---
 examples/graphics/fractal.cpp | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/examples/graphics/fractal.cpp b/examples/graphics/fractal.cpp
index 887598a..a06084e 100644
--- a/examples/graphics/fractal.cpp
+++ b/examples/graphics/fractal.cpp
@@ -13,8 +13,8 @@
 #include <math.h>
 #include <cstdlib>
 
-#define WIDTH 600 // Width of image
-#define HEIGHT 800 // Width of image
+#define WIDTH 400 // Width of image
+#define HEIGHT 400 // Width of image
 
 using namespace af;
 
@@ -77,16 +77,19 @@ int main(int argc, char **argv)
         af::setDevice(device);
         info();
         printf("** ArrayFire Fractals Demo **\n");
-        af::Window wnd("Fractal Demo");
+        af::Window wnd(WIDTH, HEIGHT, "Fractal Demo");
         wnd.setColorMap(AF_COLORMAP_SPECTRUM);
 
-        float center[] = {-0.5, 0};
+        float center[] = {-0.75, 0.1};
         // Keep zomming out for each frame
-        for (int zoom = 1000; zoom > 100; zoom -= 1) {
+        for (int i = 10; i < 400; i++) {
+            int zoom = i * i;
+            if(!(i % 10)) printf("iteration: %d zoom: %d\n", i, zoom); fflush(stdout);
 
             // Generate the grid at the current zoom factor
             array c = complex_grid(WIDTH, HEIGHT, zoom, center);
 
+            iter =sqrt(abs(2*sqrt(abs(1-sqrt(5*zoom)))))*100;
             // Generate the mandelbrot image
             array mag = mandelbrot(c, iter, 1000);
 

-- 
Alioth's /usr/local/bin/git-commit-notice on /srv/git.debian.org/git/debian-science/packages/arrayfire.git