# HG changeset patch
# User Shohei KOKUBO <e105744@ie.u-ryukyu.ac.jp>
# Date 1373953610 -32400
# Node ID 19ab54c76d6f99e405adb4e2398c8d29cb23a102
# Parent  8b50b1ee068e991fd351789de7ff761682171434
success run to fft

diff -r 8b50b1ee068e -r 19ab54c76d6f example/fft/main.cc
--- a/example/fft/main.cc	Tue Jul 16 13:06:31 2013 +0900
+++ b/example/fft/main.cc	Tue Jul 16 14:46:50 2013 +0900
@@ -225,7 +225,7 @@
 
     // Butterfly Operation
     waitTask = fftCore(manager, rm, xm, wm, m, forward,sfac);
-    
+
     // Transpose matrix 
     int length_r =n*n;
     setWorkSize(gws,lws,n,n);
@@ -238,7 +238,7 @@
     first_trns->iterate(gws[0],gws[1]);
 
     // Butterfly Operation 
-    waitTask = fftCore(manager, xm, rm, wm, m, forward,first_trns);
+    waitTask = fftCore(manager, rm, xm, wm, m, forward,first_trns);
 
     // Apply high-pass filter
     HTask *hpfl = manager->create_task(HIGH_PASS_FILTER);
diff -r 8b50b1ee068e -r 19ab54c76d6f example/fft/output.pgm
Binary file example/fft/output.pgm has changed
diff -r 8b50b1ee068e -r 19ab54c76d6f example/fft/ppe/butterfly.cc
--- a/example/fft/ppe/butterfly.cc	Tue Jul 16 13:06:31 2013 +0900
+++ b/example/fft/ppe/butterfly.cc	Tue Jul 16 14:46:50 2013 +0900
@@ -19,7 +19,7 @@
     unsigned long nid = (unsigned long)s->get_param(1);
     
     long n = (long)s->get_param(3);
-    long direction_flag = (long)s->get_param(4);
+    unsigned long direction_flag = (unsigned long)s->get_param(4);
     long iter = (long)s->get_param(5);
 
     int butterflySize = 1 << (iter-1);
@@ -40,14 +40,18 @@
     xbxx.x = xbxx.y = xb.x;
     xbyy.x = xbyy.y = xb.y;
     
-    wab.x = (cl_float)((cl_uint)w[l].x ^ 0x0);
-    wab.y = (cl_float)((cl_uint)w[l].y ^ direction_flag);
+    wab.x = w[l].x;
+    if(direction_flag == 0x80000000) {
+        wab.y = -w[l].y;
+    } else {
+        wab.y = w[l].y;
+    }
 
-    wayx.x = (cl_float)((cl_uint)wab.y ^ 0x80000000);
-    wayx.y = (cl_float)((cl_uint)wab.x ^ 0x0);
+    wayx.x = -wab.y;
+    wayx.y = wab.x;
 
-    wbyx.x = (cl_float)((cl_uint)wab.y ^ 0x0);
-    wbyx.y = (cl_float)((cl_uint)wab.x ^ 0x80000000);
+    wbyx.x = wab.y;
+    wbyx.y = -wab.x;
 
     resa.x = xa.x + xbxx.x*wab.x + xbyy.x*wayx.x;
     resa.y = xa.y + xbxx.y*wab.y + xbyy.y*wayx.y;