1 files changed, 119 insertions, 0 deletions
diff --git a/src/boost/libs/compute/test/test_copy_if.cpp b/src/boost/libs/compute/test/test_copy_if.cpp
new file mode 100644
index 00000000..2a65bb08
--- /dev/null
+++ b/src/boost/libs/compute/test/test_copy_if.cpp
@@ -0,0 +1,119 @@
+//---------------------------------------------------------------------------//
+// 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 TestCopyIf
+#include <boost/test/unit_test.hpp>
+
+#include <boost/compute/lambda.hpp>
+#include <boost/compute/algorithm/copy_if.hpp>
+#include <boost/compute/container/vector.hpp>
+
+#include "check_macros.hpp"
+#include "context_setup.hpp"
+
+namespace bc = boost::compute;
+namespace compute = boost::compute;
+
+BOOST_AUTO_TEST_CASE(copy_if_int)
+{
+    int data[] = { 1, 6, 3, 5, 8, 2, 4 };
+    bc::vector<int> input(data, data + 7, queue);
+
+    bc::vector<int> output(input.size(), context);
+    bc::fill(output.begin(), output.end(), -1, queue);
+
+    using ::boost::compute::_1;
+
+    bc::vector<int>::iterator iter =
+        bc::copy_if(input.begin(), input.end(),
+                    output.begin(), _1 < 5, queue);
+    BOOST_VERIFY(iter == output.begin() + 4);
+    CHECK_RANGE_EQUAL(int, 7, output, (1, 3, 2, 4, -1, -1, -1));
+
+    bc::fill(output.begin(), output.end(), 42, queue);
+    iter =
+        bc::copy_if(input.begin(), input.end(),
+                    output.begin(), _1 * 2 >= 10, queue);
+    BOOST_VERIFY(iter == output.begin() + 3);
+    CHECK_RANGE_EQUAL(int, 7, output, (6, 5, 8, 42, 42, 42, 42));
+}
+
+BOOST_AUTO_TEST_CASE(copy_if_odd)
+{
+    int data[] = { 1, 2, 3, 4, 5, 1, 2, 3, 4, 5 };
+    bc::vector<int> input(data, data + 10, queue);
+
+    using ::boost::compute::_1;
+
+    bc::vector<int> odds(input.size(), context);
+    bc::vector<int>::iterator odds_end =
+        bc::copy_if(input.begin(), input.end(),
+                    odds.begin(), _1 % 2 == 1, queue);
+    BOOST_CHECK(odds_end == odds.begin() + 6);
+    CHECK_RANGE_EQUAL(int, 6, odds, (1, 3, 5, 1, 3, 5));
+
+    bc::vector<int> evens(input.size(), context);
+    bc::vector<int>::iterator evens_end =
+        bc::copy_if(input.begin(), input.end(),
+                    evens.begin(), _1 % 2 == 0, queue);
+    BOOST_CHECK(evens_end == evens.begin() + 4);
+    CHECK_RANGE_EQUAL(int, 4, evens, (2, 4, 2, 4));
+}
+
+BOOST_AUTO_TEST_CASE(clip_points_below_plane)
+{
+    float data[] = { 1.0f, 2.0f, 3.0f, 0.0f,
+                     -1.0f, 2.0f, 3.0f, 0.0f,
+                     -2.0f, -3.0f, 4.0f, 0.0f,
+                     4.0f, -3.0f, 2.0f, 0.0f };
+    bc::vector<bc::float4_> points(reinterpret_cast<bc::float4_ *>(data),
+                                   reinterpret_cast<bc::float4_ *>(data) + 4,
+                                   queue);
+
+    // create output vector filled with (0, 0, 0, 0)
+    bc::vector<bc::float4_> output(points.size(), context);
+    bc::fill(output.begin(), output.end(),
+             bc::float4_(0.0f, 0.0f, 0.0f, 0.0f), queue);
+
+    // define the plane (at origin, +X normal)
+    bc::float4_ plane_origin(0.0f, 0.0f, 0.0f, 0.0f);
+    bc::float4_ plane_normal(1.0f, 0.0f, 0.0f, 0.0f);
+
+    using ::boost::compute::_1;
+    using ::boost::compute::lambda::dot;
+
+    bc::vector<bc::float4_>::const_iterator iter =
+        bc::copy_if(points.begin(),
+                    points.end(),
+                    output.begin(),
+                    dot(_1 - plane_origin, plane_normal) > 0.0f,
+                    queue);
+    BOOST_CHECK(iter == output.begin() + 2);
+}
+
+BOOST_AUTO_TEST_CASE(copy_index_if_int)
+{
+    int data[] = { 1, 6, 3, 5, 8, 2, 4 };
+    compute::vector<int> input(data, data + 7, queue);
+
+    compute::vector<int> output(input.size(), context);
+    compute::fill(output.begin(), output.end(), -1, queue);
+
+    using ::boost::compute::_1;
+    using ::boost::compute::detail::copy_index_if;
+
+    compute::vector<int>::iterator iter =
+        copy_index_if(input.begin(), input.end(), output.begin(),
+                      _1 < 5, queue);
+    BOOST_VERIFY(iter == output.begin() + 4);
+    CHECK_RANGE_EQUAL(int, 7, output, (0, 2, 5, 6, -1, -1, -1));
+}
+
+BOOST_AUTO_TEST_SUITE_END()