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Library/boost/libs/compute/test/test_functional_as.cpp
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full source code
19 дек 2024, 19:11
19 дек 2024, 19:11
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//---------------------------------------------------------------------------// // 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 TestFunctionalAs #include <boost/test/unit_test.hpp> #include <boost/compute/system.hpp> #include <boost/compute/algorithm/copy_n.hpp> #include <boost/compute/algorithm/transform.hpp> #include <boost/compute/container/vector.hpp> #include <boost/compute/functional/as.hpp> #include "check_macros.hpp" #include "context_setup.hpp" namespace compute = boost::compute; BOOST_AUTO_TEST_CASE(roundtrip_int_float) { int data[] = { 1, 2, 3, 4, 5, 6, 7, 8 }; compute::vector<int> input(8, context); compute::copy_n(data, 8, input.begin(), queue); // convert int -> float compute::vector<float> output(8, context); compute::transform( input.begin(), input.end(), output.begin(), compute::as<float>(), queue ); // zero out input compute::fill(input.begin(), input.end(), 0, queue); // convert float -> int compute::transform( output.begin(), output.end(), input.begin(), compute::as<int>(), queue ); // check values CHECK_RANGE_EQUAL( int, 8, input, (1, 2, 3, 4, 5, 6, 7, 8) ); } BOOST_AUTO_TEST_SUITE_END()