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/usr/include/boost/compute

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algorithm/	-	0755	rm
allocator/	-	0755	rm
async/	-	0755	rm
container/	-	0755	rm
detail/	-	0755	rm
exception/	-	0755	rm
experimental/	-	0755	rm
functional/	-	0755	rm
image/	-	0755	rm
interop/	-	0755	rm
iterator/	-	0755	rm
lambda/	-	0755	rm
memory/	-	0755	rm
random/	-	0755	rm
types/	-	0755	rm
type_traits/	-	0755	rm
utility/	-	0755	rm
algorithm.hpp	4399	0644	edit dl rm
allocator.hpp	748	0644	edit dl rm
async.hpp	703	0644	edit dl rm
buffer.hpp	6783	0644	edit dl rm
cl.hpp	1625	0644	edit dl rm
closure.hpp	10111	0644	edit dl rm
cl_ext.hpp	664	0644	edit dl rm
command_queue.hpp	62500	0644	edit dl rm
config.hpp	2359	0644	edit dl rm
container.hpp	1021	0644	edit dl rm
context.hpp	6594	0644	edit dl rm
core.hpp	1141	0644	edit dl rm
device.hpp	21203	0644	edit dl rm
event.hpp	10280	0644	edit dl rm
exception.hpp	858	0644	edit dl rm
function.hpp	12138	0644	edit dl rm
functional.hpp	1343	0644	edit dl rm
image.hpp	894	0644	edit dl rm
image2d.hpp	549	0644	edit dl rm
image3d.hpp	549	0644	edit dl rm
image_format.hpp	559	0644	edit dl rm
image_sampler.hpp	561	0644	edit dl rm
iterator.hpp	1140	0644	edit dl rm
kernel.hpp	17580	0644	edit dl rm
lambda.hpp	862	0644	edit dl rm
memory.hpp	717	0644	edit dl rm
memory_object.hpp	6994	0644	edit dl rm
pipe.hpp	4008	0644	edit dl rm
platform.hpp	7420	0644	edit dl rm
program.hpp	25342	0644	edit dl rm
random.hpp	1148	0644	edit dl rm
source.hpp	551	0644	edit dl rm
svm.hpp	1969	0644	edit dl rm
system.hpp	9388	0644	edit dl rm
types.hpp	870	0644	edit dl rm
type_traits.hpp	1106	0644	edit dl rm
user_event.hpp	2414	0644	edit dl rm
utility.hpp	823	0644	edit dl rm
version.hpp	665	0644	edit dl rm
wait_list.hpp	557	0644	edit dl rm

Edit: /usr/include/boost/compute/closure.hpp (10111B)

//---------------------------------------------------------------------------//
// Copyright (c) 2013-2014 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.
//---------------------------------------------------------------------------//

#ifndef BOOST_COMPUTE_CLOSURE_HPP
#define BOOST_COMPUTE_CLOSURE_HPP

#include <string>
#include <sstream>

#include <boost/config.hpp>
#include <boost/fusion/adapted/boost_tuple.hpp>
#include <boost/fusion/algorithm/iteration/for_each.hpp>
#include <boost/mpl/for_each.hpp>
#include <boost/mpl/transform.hpp>
#include <boost/typeof/typeof.hpp>
#include <boost/static_assert.hpp>
#include <boost/algorithm/string.hpp>
#include <boost/tuple/tuple.hpp>
#include <boost/type_traits/function_traits.hpp>

#include <boost/compute/cl.hpp>
#include <boost/compute/function.hpp>
#include <boost/compute/type_traits/type_name.hpp>
#include <boost/compute/type_traits/detail/capture_traits.hpp>

namespace boost {
namespace compute {
namespace detail {

template<class ResultType, class ArgTuple, class CaptureTuple>
class invoked_closure
{
public:
    typedef ResultType result_type;

BOOST_STATIC_CONSTANT(
        size_t, arity = boost::tuples::length<ArgTuple>::value
    );

invoked_closure(const std::string &name,
                    const std::string &source,
                    const std::map<std::string, std::string> &definitions,
                    const ArgTuple &args,
                    const CaptureTuple &capture)
        : m_name(name),
          m_source(source),
          m_definitions(definitions),
          m_args(args),
          m_capture(capture)
    {
    }

std::string name() const
    {
        return m_name;
    }

std::string source() const
    {
        return m_source;
    }

const std::map<std::string, std::string>& definitions() const
    {
        return m_definitions;
    }

const ArgTuple& args() const
    {
        return m_args;
    }

const CaptureTuple& capture() const
    {
        return m_capture;
    }

private:
    std::string m_name;
    std::string m_source;
    std::map<std::string, std::string> m_definitions;
    ArgTuple m_args;
    CaptureTuple m_capture;
};

} // end detail namespace

/// \internal_
template<class Signature, class CaptureTuple>
class closure
{
public:
    typedef typename
        boost::function_traits<Signature>::result_type result_type;

BOOST_STATIC_CONSTANT(
        size_t, arity = boost::function_traits<Signature>::arity
    );

closure(const std::string &name,
            const CaptureTuple &capture,
            const std::string &source)
        : m_name(name),
          m_source(source),
          m_capture(capture)
    {
    }

~closure()
    {
    }

std::string name() const
    {
        return m_name;
    }

/// \internal_
    std::string source() const
    {
        return m_source;
    }

/// \internal_
    void define(std::string name, std::string value = std::string())
    {
        m_definitions[name] = value;
    }

/// \internal_
    detail::invoked_closure<result_type, boost::tuple<>, CaptureTuple>
    operator()() const
    {
        BOOST_STATIC_ASSERT_MSG(
            arity == 0,
            "Non-nullary closure function invoked with zero arguments"
        );

return detail::invoked_closure<result_type, boost::tuple<>, CaptureTuple>(
            m_name, m_source, m_definitions, boost::make_tuple(), m_capture
        );
    }

/// \internal_
    template<class Arg1>
    detail::invoked_closure<result_type, boost::tuple<Arg1>, CaptureTuple>
    operator()(const Arg1 &arg1) const
    {
        BOOST_STATIC_ASSERT_MSG(
            arity == 1,
            "Non-unary closure function invoked with one argument"
        );

return detail::invoked_closure<result_type, boost::tuple<Arg1>, CaptureTuple>(
            m_name, m_source, m_definitions, boost::make_tuple(arg1), m_capture
        );
    }

/// \internal_
    template<class Arg1, class Arg2>
    detail::invoked_closure<result_type, boost::tuple<Arg1, Arg2>, CaptureTuple>
    operator()(const Arg1 &arg1, const Arg2 &arg2) const
    {
        BOOST_STATIC_ASSERT_MSG(
            arity == 2,
            "Non-binary closure function invoked with two arguments"
        );

return detail::invoked_closure<result_type, boost::tuple<Arg1, Arg2>, CaptureTuple>(
            m_name, m_source, m_definitions, boost::make_tuple(arg1, arg2), m_capture
        );
    }

/// \internal_
    template<class Arg1, class Arg2, class Arg3>
    detail::invoked_closure<result_type, boost::tuple<Arg1, Arg2, Arg3>, CaptureTuple>
    operator()(const Arg1 &arg1, const Arg2 &arg2, const Arg3 &arg3) const
    {
        BOOST_STATIC_ASSERT_MSG(
            arity == 3,
            "Non-ternary closure function invoked with three arguments"
        );

return detail::invoked_closure<result_type, boost::tuple<Arg1, Arg2, Arg3>, CaptureTuple>(
            m_name, m_source, m_definitions, boost::make_tuple(arg1, arg2, arg3), m_capture
        );
    }

private:
    std::string m_name;
    std::string m_source;
    std::map<std::string, std::string> m_definitions;
    CaptureTuple m_capture;
};

namespace detail {

struct closure_signature_argument_inserter
{
    closure_signature_argument_inserter(std::stringstream &s_,
                                        const char *capture_string,
                                        size_t last)
        : s(s_)
    {
        n = 0;
        m_last = last;

size_t capture_string_length = std::strlen(capture_string);
        BOOST_ASSERT(capture_string[0] == '(' &&
                     capture_string[capture_string_length-1] == ')');
        std::string capture_string_(capture_string + 1, capture_string_length - 2);
        boost::split(m_capture_names, capture_string_ , boost::is_any_of(","));
    }

template<class T>
    void operator()(const T&) const
    {
        BOOST_ASSERT(n < m_capture_names.size());

// get captured variable name
        std::string variable_name = m_capture_names[n];

// remove leading and trailing whitespace from variable name
        boost::trim(variable_name);

s << capture_traits<T>::type_name() << " " << variable_name;
        if(n+1 < m_last){
            s << ", ";
        }
        n++;
    }

mutable size_t n;
    size_t m_last;
    std::vector<std::string> m_capture_names;
    std::stringstream &s;
};

template<class Signature, class CaptureTuple>
inline std::string
make_closure_declaration(const char *name,
                         const char *arguments,
                         const CaptureTuple &capture_tuple,
                         const char *capture_string)
{
    typedef typename
        boost::function_traits<Signature>::result_type result_type;
    typedef typename
        boost::function_types::parameter_types<Signature>::type parameter_types;
    typedef typename
        mpl::size<parameter_types>::type arity_type;

std::stringstream s;
    s << "inline " << type_name<result_type>() << " " << name;
    s << "(";

// insert function arguments
    signature_argument_inserter i(s, arguments, arity_type::value);
    mpl::for_each<
        typename mpl::transform<parameter_types, boost::add_pointer<mpl::_1>
    >::type>(i);
    s << ", ";

// insert capture arguments
    closure_signature_argument_inserter j(
        s, capture_string, boost::tuples::length<CaptureTuple>::value
    );
    fusion::for_each(capture_tuple, j);

s << ")";
    return s.str();
}

// used by the BOOST_COMPUTE_CLOSURE() macro to create a closure
// function with the given signature, name, capture, and source.
template<class Signature, class CaptureTuple>
inline closure<Signature, CaptureTuple>
make_closure_impl(const char *name,
                  const char *arguments,
                  const CaptureTuple &capture,
                  const char *capture_string,
                  const std::string &source)
{
    std::stringstream s;
    s << make_closure_declaration<Signature>(name, arguments, capture, capture_string);
    s << source;

return closure<Signature, CaptureTuple>(name, capture, s.str());
}

} // end detail namespace
} // end compute namespace
} // end boost namespace

/// Creates a closure function object with \p name and \p source.
///
/// \param return_type The return type for the function.
/// \param name The name of the function.
/// \param arguments A list of arguments for the function.
/// \param capture A list of variables to capture.
/// \param source The OpenCL C source code for the function.
///
/// For example, to create a function which checks if a 2D point is
/// contained in a circle of a given radius:
/// \code
/// // radius variable declared in C++
/// float radius = 1.5f;
///
/// // create a closure function which returns true if the 2D point
/// // argument is contained within a circle of the given radius
/// BOOST_COMPUTE_CLOSURE(bool, is_in_circle, (const float2_ p), (radius),
/// {
///     return sqrt(p.x*p.x + p.y*p.y) < radius;
/// });
///
/// // vector of 2D points
/// boost::compute::vector<float2_> points = ...
///
/// // count number of points in the circle
/// size_t count = boost::compute::count_if(
///     points.begin(), points.end(), is_in_circle, queue
/// );
/// \endcode
///
/// \see BOOST_COMPUTE_FUNCTION()
#ifdef BOOST_COMPUTE_DOXYGEN_INVOKED
#define BOOST_COMPUTE_CLOSURE(return_type, name, arguments, capture, source)
#else
#define BOOST_COMPUTE_CLOSURE(return_type, name, arguments, capture, ...) \
    ::boost::compute::closure< \
        return_type arguments, BOOST_TYPEOF(boost::tie capture) \
    > name = \
        ::boost::compute::detail::make_closure_impl< \
            return_type arguments \
        >( \
            #name, #arguments, boost::tie capture, #capture, #__VA_ARGS__ \
        )
#endif

#endif // BOOST_COMPUTE_CLOSURE_HPP

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