Threefry Random 123 Support Added

example/threefry.cpp

@@ -0,0 +1,48 @@
+//---------------------------------------------------------------------------//
+// Copyright (c) 2013 Muhammad Junaid Muzammil <mjunaidmuzammil@gmail.com>
+//
+// Distributed under the Boost Software License, Version 1.0
+// See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt
+//
+// See http://kylelutz.github.com/compute for more information.
+//---------------------------------------------------------------------------//
+
+
+#include <boost/compute/random/threefry.hpp>
+#include <boost/compute/container/vector.hpp>
+#include <boost/compute/command_queue.hpp>
+#include <boost/compute/context.hpp>
+#include <boost/compute/device.hpp>
+#include <boost/compute/system.hpp>
+#include <iostream>
+
+int main() 
+{
+    using boost::compute::uint_;
+    boost::compute::device device = boost::compute::system::default_device();
+    boost::compute::context context(device);
+    boost::compute::command_queue queue(context, device);
+    boost::compute::random::threefry rng(queue);
+    boost::compute::vector<uint_> vector_ctr(20, context);
+    boost::compute::vector<uint_> vector_key(20, context);
+    
+    uint32_t ctr[20];
+    uint32_t key[20];
+    for(int i = 0; i < 10; i++) {
+        ctr[i*2] = i;
+        ctr[i*2+1] = 0;
+        key[i*2] = 0;
+        key[i*2+1] = 0; 
+    }
+    boost::compute::copy(ctr, ctr+20, vector_ctr.begin(), queue);
+    boost::compute::copy(key, key+20, vector_key.begin(), queue);
+    rng.generate(queue, vector_ctr.begin(), vector_ctr.end(), vector_key.begin(), vector_key.end());
+    boost::compute::copy(vector_ctr.begin(), vector_ctr.end(), ctr, queue);
+
+    for(int i = 0; i < 10; i++) {
+        std::cout << std::hex << ctr[i*2] << " " << ctr[i*2+1] << std::endl;
+    }
+    return 0;
+}
+