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50 lines
1.6 KiB
C++
50 lines
1.6 KiB
C++
//---------------------------------------------------------------------------//
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// Copyright (c) 2013-2014 Kyle Lutz <kyle.r.lutz@gmail.com>
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//
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// Distributed under the Boost Software License, Version 1.0
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// See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt
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//
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// See http://kylelutz.github.com/compute for more information.
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//---------------------------------------------------------------------------//
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#define BOOST_TEST_MODULE TestUniformRealDistribution
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#include <boost/test/unit_test.hpp>
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#include <boost/compute/system.hpp>
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#include <boost/compute/command_queue.hpp>
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#include <boost/compute/algorithm/count_if.hpp>
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#include <boost/compute/container/vector.hpp>
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#include <boost/compute/random/default_random_engine.hpp>
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#include <boost/compute/random/uniform_real_distribution.hpp>
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#include <boost/compute/lambda.hpp>
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#include "context_setup.hpp"
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BOOST_AUTO_TEST_CASE(uniform_real_distribution_doctest)
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{
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using boost::compute::lambda::_1;
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boost::compute::vector<float> vec(128, context);
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//! [generate]
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// initialize the default random engine
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boost::compute::default_random_engine engine(queue);
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// setup the uniform distribution to produce floats between 1 and 100
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boost::compute::uniform_real_distribution<float> distribution(1.0f, 100.0f);
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// generate the random values and store them to 'vec'
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distribution.generate(vec.begin(), vec.end(), engine, queue);
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//! [generate]
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BOOST_CHECK_EQUAL(
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boost::compute::count_if(
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vec.begin(), vec.end(), _1 < 1.0f || _1 > 100.0f, queue
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),
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size_t(0)
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);
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}
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BOOST_AUTO_TEST_SUITE_END()
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