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

   1 //---------------------------------------------------------------------------//
   2 // Copyright (c) 2014 Roshan <thisisroshansmail@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 TestRotateCopy
  12 #include <boost/test/unit_test.hpp>
  13
  14 #include <boost/compute/command_queue.hpp>
  15 #include <boost/compute/algorithm/copy_n.hpp>
  16 #include <boost/compute/algorithm/rotate_copy.hpp>
  17 #include <boost/compute/container/vector.hpp>
  18
  19 #include "check_macros.hpp"
  20 #include "context_setup.hpp"
  21
  22 BOOST_AUTO_TEST_CASE(rotate_copy_trivial)
  23 {
  24     int data[] = {1, 4, 2, 6, 3, 2, 5, 3, 4, 6};
  25     boost::compute::vector<int> vector(10, context);
  26     boost::compute::vector<int> result(10, context);
  27
  28     boost::compute::copy_n(data, 10, vector.begin(), queue);
  29
  30     boost::compute::rotate_copy(vector.begin(), vector.begin(), vector.end(), result.begin(), queue);
  31     CHECK_RANGE_EQUAL(int, 10, result, (1, 4, 2, 6, 3, 2, 5, 3, 4, 6));
  32
  33     boost::compute::rotate_copy(vector.begin(), vector.end(), vector.end(), result.begin(), queue);
  34     CHECK_RANGE_EQUAL(int, 10, result, (1, 4, 2, 6, 3, 2, 5, 3, 4, 6));
  35 }
  36
  37 BOOST_AUTO_TEST_CASE(rotate_copy_1)
  38 {
  39     int data[] = {1, 4, 2, 6, 3, 2, 5, 3, 4, 6};
  40     boost::compute::vector<int> vector(10, context);
  41     boost::compute::vector<int> result(10, context);
  42
  43     boost::compute::copy_n(data, 10, vector.begin(), queue);
  44
  45     boost::compute::rotate_copy(vector.begin(), vector.begin()+1, vector.end(), result.begin(), queue);
  46     CHECK_RANGE_EQUAL(int, 10, result, (4, 2, 6, 3, 2, 5, 3, 4, 6, 1));
  47 }
  48
  49 BOOST_AUTO_TEST_CASE(rotate_copy_4)
  50 {
  51     int data[] = {1, 4, 2, 6, 3, 2, 5, 3, 4, 6};
  52     boost::compute::vector<int> vector(10, context);
  53     boost::compute::vector<int> result(10, context);
  54
  55     boost::compute::copy_n(data, 10, vector.begin(), queue);
  56
  57     boost::compute::rotate_copy(vector.begin(), vector.begin()+4, vector.end(), result.begin(), queue);
  58     CHECK_RANGE_EQUAL(int, 10, result, (3, 2, 5, 3, 4, 6, 1, 4, 2, 6));
  59 }
  60
  61 BOOST_AUTO_TEST_CASE(rotate_copy_9)
  62 {
  63     int data[] = {1, 4, 2, 6, 3, 2, 5, 3, 4, 6};
  64     boost::compute::vector<int> vector(10, context);
  65     boost::compute::vector<int> result(10, context);
  66
  67     boost::compute::copy_n(data, 10, vector.begin(), queue);
  68
  69     boost::compute::rotate_copy(vector.begin(), vector.begin()+9, vector.end(), result.begin(), queue);
  70     CHECK_RANGE_EQUAL(int, 10, result, (6, 1, 4, 2, 6, 3, 2, 5, 3, 4));
  71 }
  72
  73 BOOST_AUTO_TEST_SUITE_END()