123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596 |
- //---------------------------------------------------------------------------//
- // Copyright (c) 2014 Roshan <thisisroshansmail@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 TestUnique
- #include <boost/test/unit_test.hpp>
- #include <boost/compute/function.hpp>
- #include <boost/compute/algorithm/iota.hpp>
- #include <boost/compute/algorithm/none_of.hpp>
- #include <boost/compute/algorithm/transform.hpp>
- #include <boost/compute/algorithm/unique.hpp>
- #include <boost/compute/container/vector.hpp>
- #include "check_macros.hpp"
- #include "context_setup.hpp"
- namespace compute = boost::compute;
- BOOST_AUTO_TEST_CASE(unique_int)
- {
- int data[] = {1, 6, 6, 4, 2, 2, 4};
- compute::vector<int> input(data, data + 7, queue);
- compute::vector<int>::iterator iter =
- compute::unique(input.begin(), input.end(), queue);
- BOOST_VERIFY(iter == input.begin() + 5);
- CHECK_RANGE_EQUAL(int, 7, input, (1, 6, 4, 2, 4, 2, 4));
- }
- BOOST_AUTO_TEST_CASE(all_same_float)
- {
- compute::vector<float> vec(1024, context);
- compute::fill(vec.begin(), vec.end(), 3.14f, queue);
- compute::vector<float>::iterator iter =
- compute::unique(vec.begin(), vec.end(), queue);
- BOOST_VERIFY(iter == vec.begin() + 1);
- float first;
- compute::copy_n(vec.begin(), 1, &first, queue);
- BOOST_CHECK_EQUAL(first, 3.14f);
- }
- BOOST_AUTO_TEST_CASE(unique_even_uints)
- {
- using compute::uint_;
- // create vector filled with [0, 1, 2, ...]
- compute::vector<uint_> vec(1024, context);
- compute::iota(vec.begin(), vec.end(), 0, queue);
- // all should be unique
- compute::vector<uint_>::iterator iter = compute::unique(
- vec.begin(), vec.end(), queue
- );
- BOOST_VERIFY(iter == vec.end());
- // if odd, return the prior even number, else return the number
- BOOST_COMPUTE_FUNCTION(uint_, odd_to_even, (uint_ x),
- {
- if(x & 1){
- return x - 1;
- }
- else {
- return x;
- }
- });
- // set all odd numbers the previous even number
- compute::transform(
- vec.begin(), vec.end(), vec.begin(), odd_to_even, queue
- );
- // now the vector should contain [0, 0, 2, 2, 4, 4, ...]
- iter = compute::unique(vec.begin(), vec.end(), queue);
- BOOST_VERIFY(iter == vec.begin() + (vec.size() / 2));
- // ensure all of the values are even
- BOOST_COMPUTE_FUNCTION(bool, is_odd, (uint_ x),
- {
- return x & 1;
- });
- BOOST_VERIFY(compute::none_of(vec.begin(), vec.end(), is_odd, queue));
- }
- BOOST_AUTO_TEST_SUITE_END()
|