1 files changed, 138 insertions, 0 deletions
diff --git a/src/boost/libs/compute/test/test_inplace_reduce.cpp b/src/boost/libs/compute/test/test_inplace_reduce.cpp
new file mode 100644
index 00000000..a0706e3a
--- /dev/null
+++ b/src/boost/libs/compute/test/test_inplace_reduce.cpp
@@ -0,0 +1,138 @@
+//---------------------------------------------------------------------------//
+// Copyright (c) 2013 Kyle Lutz <kyle.r.lutz@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://boostorg.github.com/compute for more information.
+//---------------------------------------------------------------------------//
+
+#define BOOST_TEST_MODULE TestInplaceReduce
+#include <boost/test/unit_test.hpp>
+
+#include <iostream>
+
+#include <boost/compute/system.hpp>
+#include <boost/compute/functional.hpp>
+#include <boost/compute/algorithm/iota.hpp>
+#include <boost/compute/algorithm/detail/inplace_reduce.hpp>
+#include <boost/compute/container/vector.hpp>
+
+#include "quirks.hpp"
+#include "context_setup.hpp"
+
+BOOST_AUTO_TEST_CASE(sum_int)
+{
+    if(is_apple_cpu_device(device)) {
+        std::cerr
+            << "skipping all inplace_reduce tests due to Apple platform"
+            << " behavior when local memory is used on a CPU device"
+            << std::endl;
+        return;
+    }
+
+    int data[] = { 1, 5, 3, 4, 9, 3, 5, 3 };
+    boost::compute::vector<int> vector(data, data + 8, queue);
+
+    boost::compute::detail::inplace_reduce(vector.begin(),
+                                           vector.end(),
+                                           boost::compute::plus<int>(),
+                                           queue);
+    queue.finish();
+    BOOST_CHECK_EQUAL(int(vector[0]), int(33));
+
+    vector.assign(data, data + 8);
+    vector.push_back(3);
+    boost::compute::detail::inplace_reduce(vector.begin(),
+                                           vector.end(),
+                                           boost::compute::plus<int>(),
+                                           queue);
+    queue.finish();
+    BOOST_CHECK_EQUAL(int(vector[0]), int(36));
+}
+
+BOOST_AUTO_TEST_CASE(multiply_int)
+{
+    if(is_apple_cpu_device(device)) {
+        return;
+    }
+
+    int data[] = { 1, 5, 3, 4, 9, 3, 5, 3 };
+    boost::compute::vector<int> vector(data, data + 8, queue);
+
+    boost::compute::detail::inplace_reduce(vector.begin(),
+                                           vector.end(),
+                                           boost::compute::multiplies<int>(),
+                                           queue);
+    queue.finish();
+    BOOST_CHECK_EQUAL(int(vector[0]), int(24300));
+
+    vector.assign(data, data + 8);
+    vector.push_back(3);
+    boost::compute::detail::inplace_reduce(vector.begin(),
+                                           vector.end(),
+                                           boost::compute::multiplies<int>(),
+                                           queue);
+    queue.finish();
+    BOOST_CHECK_EQUAL(int(vector[0]), int(72900));
+}
+
+BOOST_AUTO_TEST_CASE(reduce_iota)
+{
+    if(is_apple_cpu_device(device)) {
+        return;
+    }
+
+    // 1 value
+    boost::compute::vector<int> vector(1, context);
+    boost::compute::iota(vector.begin(), vector.end(), int(0), queue);
+    boost::compute::detail::inplace_reduce(vector.begin(),
+                                           vector.end(),
+                                           boost::compute::plus<int>(),
+                                           queue);
+    queue.finish();
+    BOOST_CHECK_EQUAL(int(vector[0]), int(0));
+
+    // 1000 values
+    vector.resize(1000);
+    boost::compute::iota(vector.begin(), vector.end(), int(0), queue);
+    boost::compute::detail::inplace_reduce(vector.begin(),
+                                           vector.end(),
+                                           boost::compute::plus<int>(),
+                                           queue);
+    queue.finish();
+    BOOST_CHECK_EQUAL(int(vector[0]), int(499500));
+
+    // 2499 values
+    vector.resize(2499);
+    boost::compute::iota(vector.begin(), vector.end(), int(0), queue);
+    boost::compute::detail::inplace_reduce(vector.begin(),
+                                           vector.end(),
+                                           boost::compute::plus<int>(),
+                                           queue);
+    queue.finish();
+    BOOST_CHECK_EQUAL(int(vector[0]), int(3121251));
+
+    // 4096 values
+    vector.resize(4096);
+    boost::compute::iota(vector.begin(), vector.end(), int(0), queue);
+    boost::compute::detail::inplace_reduce(vector.begin(),
+                                           vector.end(),
+                                           boost::compute::plus<int>(),
+                                           queue);
+    queue.finish();
+    BOOST_CHECK_EQUAL(int(vector[0]), int(8386560));
+
+    // 5000 values
+    vector.resize(5000);
+    boost::compute::iota(vector.begin(), vector.end(), int(0), queue);
+    boost::compute::detail::inplace_reduce(vector.begin(),
+                                           vector.end(),
+                                           boost::compute::plus<int>(),
+                                           queue);
+    queue.finish();
+    BOOST_CHECK_EQUAL(int(vector[0]), int(12497500));
+}
+
+BOOST_AUTO_TEST_SUITE_END()