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

   1 //---------------------------------------------------------------------------//
   2 // Copyright (c) 2013 Muhammad Junaid Muzammil <mjunaidmuzammil@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://kylelutz.github.com/compute for more information.
   9 //---------------------------------------------------------------------------//
  10
  11 #define BOOST_TEST_MODULE TestThreefry
  12 #include <boost/test/unit_test.hpp>
  13
  14 #include <boost/compute/random/threefry_engine.hpp>
  15 #include <boost/compute/container/vector.hpp>
  16
  17 #include "check_macros.hpp"
  18 #include "context_setup.hpp"
  19
  20 BOOST_AUTO_TEST_CASE(generate_uint)
  21 {
  22
  23     using boost::compute::uint_;
  24
  25     boost::compute::threefry_engine<> rng(queue);
  26
  27     boost::compute::vector<uint_> vector_ctr(20, context);
  28
  29     uint32_t ctr[20];
  30     for(int i = 0; i < 10; i++) {
  31         ctr[i*2] = i;
  32         ctr[i*2+1] = 0;
  33     }
  34
  35     boost::compute::copy(ctr, ctr+20, vector_ctr.begin(), queue);
  36
  37     rng.generate(vector_ctr.begin(), vector_ctr.end(), queue);
  38     CHECK_RANGE_EQUAL(
  39         uint_, 20, vector_ctr,
  40         (uint_(0x6b200159),
  41          uint_(0x99ba4efe),
  42          uint_(0x508efb2c),
  43          uint_(0xc0de3f32),
  44          uint_(0x64a626ec),
  45          uint_(0xfc15e573),
  46          uint_(0xb8abc4d1),
  47          uint_(0x537eb86),
  48          uint_(0xac6dc2bb),
  49          uint_(0xa7adb3c3),
  50          uint_(0x5641e094),
  51          uint_(0xe4ab4fd),
  52          uint_(0xa53c1ce9),
  53          uint_(0xabcf1dba),
  54          uint_(0x2677a25a),
  55          uint_(0x76cf5efc),
  56          uint_(0x2d08247f),
  57          uint_(0x815480f1),
  58          uint_(0x2d1fa53a),
  59          uint_(0xdfe8514c))
  60     );
  61 }
  62
  63 BOOST_AUTO_TEST_SUITE_END()