ceph/src/boost/libs/compute/test/test_functional_popcount.cpp

   1 //---------------------------------------------------------------------------//
   2 // Copyright (c) 2013-2014 Kyle Lutz <kyle.r.lutz@gmail.com>
   3 //
   4 // Distributed under the Boost Software License, Version 1.0
   5 // See accompanying file LICENSE_1_0.txt or copy at
   6 // http://www.boost.org/LICENSE_1_0.txt
   7 //
   8 // See http://boostorg.github.com/compute for more information.
   9 //---------------------------------------------------------------------------//
  10
  11 #define BOOST_TEST_MODULE TestFunctionalPopcount
  12 #include <boost/test/unit_test.hpp>
  13
  14 #include <boost/compute/algorithm/transform.hpp>
  15 #include <boost/compute/container/vector.hpp>
  16 #include <boost/compute/functional/popcount.hpp>
  17
  18 #include "check_macros.hpp"
  19 #include "context_setup.hpp"
  20
  21 namespace compute = boost::compute;
  22
  23 typedef boost::mpl::list<
  24     compute::uchar_, compute::ushort_, compute::uint_, compute::ulong_
  25 > popcount_test_types;
  26
  27 BOOST_AUTO_TEST_CASE_TEMPLATE(popcount, T, popcount_test_types)
  28 {
  29     compute::vector<T> vec(context);
  30     vec.push_back(0x00, queue);
  31     vec.push_back(0x01, queue);
  32     vec.push_back(0x03, queue);
  33     vec.push_back(0xff, queue);
  34
  35     compute::vector<int> popcounts(vec.size(), context);
  36     compute::transform(
  37         vec.begin(), vec.end(), popcounts.begin(), compute::popcount<T>(), queue
  38     );
  39     CHECK_RANGE_EQUAL(int, 4, popcounts, (0, 1, 2, 8));
  40 }
  41
  42 BOOST_AUTO_TEST_SUITE_END()