--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/example/fft/gpu/spinFact.cc	Thu Oct 31 21:07:30 2013 +0900
@@ -0,0 +1,32 @@
+#include <math.h>
+#include "spinFact.h"
+#ifdef __APPLE__
+#include <OpenCL/opencl.h>
+#else
+#include <CL/cl.h>
+#endif
+#include "Func.h"
+
+#define PI 3.14159265358979323846
+#define PI_2 1.57079632679489661923
+
+SchedDefineTask1(spinFact,spinFact);
+
+static int
+spinFact(SchedTask* s,void* rbuf,void* wbuf)
+{
+    cl_float2* w = (cl_float2*)s->get_outputAddr(0);
+
+    unsigned long i = s->x; // (unsigned long)s->get_param(0);
+    
+    long n = (long)s->get_param(3);
+
+    cl_float2 angle;
+    angle.x = (float)(2*i*PI/(float)n);
+    angle.y = (float)((2*i*PI/(float)n) + PI_2);
+
+    w[i].x = cos(angle.x);
+    w[i].y = cos(angle.y);
+
+    return 0;
+}