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/usr/include/boost/compute

Name	Size	Mode	Actions
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/function.hpp (12138B)

//---------------------------------------------------------------------------//
// 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.
//---------------------------------------------------------------------------//

#ifndef BOOST_COMPUTE_FUNCTION_HPP
#define BOOST_COMPUTE_FUNCTION_HPP

#include <map>
#include <string>
#include <sstream>
#include <vector>

#include <boost/assert.hpp>
#include <boost/config.hpp>
#include <boost/function_types/parameter_types.hpp>
#include <boost/preprocessor/repetition.hpp>
#include <boost/mpl/for_each.hpp>
#include <boost/mpl/size.hpp>
#include <boost/mpl/transform.hpp>
#include <boost/static_assert.hpp>
#include <boost/tuple/tuple.hpp>
#include <boost/type_traits/add_pointer.hpp>
#include <boost/type_traits/function_traits.hpp>

#include <boost/compute/cl.hpp>
#include <boost/compute/config.hpp>
#include <boost/compute/type_traits/type_name.hpp>

namespace boost {
namespace compute {
namespace detail {

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

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

invoked_function(const std::string &name,
                     const std::string &source)
        : m_name(name),
          m_source(source)
    {
    }

invoked_function(const std::string &name,
                     const std::string &source,
                     const std::map<std::string, std::string> &definitions)
        : m_name(name),
          m_source(source),
          m_definitions(definitions)
    {
    }

invoked_function(const std::string &name,
                     const std::string &source,
                     const ArgTuple &args)
        : m_name(name),
          m_source(source),
          m_args(args)
    {
    }

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

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;
    }

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

} // end detail namespace

/// \class function
/// \brief A function object.
template<class Signature>
class function
{
public:
    /// \internal_
    typedef typename
        boost::function_traits<Signature>::result_type result_type;

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

/// \internal_
    typedef Signature signature;

/// Creates a new function object with \p name.
    function(const std::string &name)
        : m_name(name)
    {
    }

/// Destroys the function object.
    ~function()
    {
    }

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

/// \internal_
    void set_source(const std::string &source)
    {
        m_source = source;
    }

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

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

bool operator==(const function<Signature>& other) const
    {
        return
            (m_name == other.m_name)
                && (m_definitions == other.m_definitions)
                && (m_source == other.m_source);
    }

bool operator!=(const function<Signature>& other) const
    {
        return !(*this == other);
    }

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

return detail::invoked_function<result_type, boost::tuple<> >(
            m_name, m_source, m_definitions
        );
    }

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

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

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

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

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

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

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

/// Creates a function object given its \p name and \p source.
///
/// \param name The function name.
/// \param source The function source code.
///
/// \see BOOST_COMPUTE_FUNCTION()
template<class Signature>
inline function<Signature>
make_function_from_source(const std::string &name, const std::string &source)
{
    function<Signature> f(name);
    f.set_source(source);
    return f;
}

namespace detail {

// given a string containing the arguments declaration for a function
// like: "(int a, const float b)", returns a vector containing the name
// of each argument (e.g. ["a", "b"]).
inline std::vector<std::string> parse_argument_names(const char *arguments)
{
    BOOST_ASSERT_MSG(
        arguments[0] == '(' && arguments[std::strlen(arguments)-1] == ')',
        "Arguments should start and end with parentheses"
    );

std::vector<std::string> args;

size_t last_space = 0;
    size_t skip_comma = 0;
    for(size_t i = 1; i < std::strlen(arguments) - 2; i++){
        const char c = arguments[i];

if(c == ' '){
            last_space = i;
        }
        else if(c == ',' && !skip_comma){
            std::string name(
                arguments + last_space + 1, i - last_space - 1
            );
            args.push_back(name);
        }
        else if(c == '<'){
            skip_comma++;
        }
        else if(c == '>'){
            skip_comma--;
        }
    }

std::string last_argument(
        arguments + last_space + 1, std::strlen(arguments) - last_space - 2
    );
    args.push_back(last_argument);

return args;
}

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

m_argument_names = parse_argument_names(arguments);

BOOST_ASSERT_MSG(
            m_argument_names.size() == last,
            "Wrong number of arguments"
        );
    }

template<class T>
    void operator()(const T*)
    {
        s << type_name<T>() << " " << m_argument_names[n];
        if(n+1 < m_last){
            s << ", ";
        }
        n++;
    }

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

template<class Signature>
inline std::string make_function_declaration(const char *name, const char *arguments)
{
    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 << "(";

if(arity_type::value > 0){
        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 << ")";
    return s.str();
}

struct argument_list_inserter
{
    argument_list_inserter(std::stringstream &s_, const char first, size_t last)
        : s(s_)
    {
        n = 0;
        m_last = last;
        m_name = first;
    }

template<class T>
    void operator()(const T*)
    {
        s << type_name<T>() << " " << m_name++;
        if(n+1 < m_last){
            s << ", ";
        }
        n++;
    }

size_t n;
    size_t m_last;
    char m_name;
    std::stringstream &s;
};

template<class Signature>
inline std::string generate_argument_list(const char first = 'a')
{
    typedef typename
        boost::function_types::parameter_types<Signature>::type parameter_types;
    typedef typename
        mpl::size<parameter_types>::type arity_type;

std::stringstream s;
    s << '(';

if(arity_type::value > 0){
        argument_list_inserter i(s, first, arity_type::value);
        mpl::for_each<
            typename mpl::transform<parameter_types, boost::add_pointer<mpl::_1>
        >::type>(i);
    }

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

// used by the BOOST_COMPUTE_FUNCTION() macro to create a function
// with the given signature, name, arguments, and source.
template<class Signature>
inline function<Signature>
make_function_impl(const char *name, const char *arguments, const char *source)
{
    std::stringstream s;
    s << make_function_declaration<Signature>(name, arguments);
    s << source;

return make_function_from_source<Signature>(name, s.str());
}

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

/// Creates a 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 source The OpenCL C source code for the function.
///
/// The function declaration and signature are automatically created using
/// the \p return_type, \p name, and \p arguments macro parameters.
///
/// The source code for the function is interpreted as OpenCL C99 source code
/// which is stringified and passed to the OpenCL compiler when the function
/// is invoked.
///
/// For example, to create a function which squares a number:
/// \code
/// BOOST_COMPUTE_FUNCTION(float, square, (float x),
/// {
///     return x * x;
/// });
/// \endcode
///
/// And to create a function which sums two numbers:
/// \code
/// BOOST_COMPUTE_FUNCTION(int, sum_two, (int x, int y),
/// {
///     return x + y;
/// });
/// \endcode
///
/// \see BOOST_COMPUTE_CLOSURE()
#ifdef BOOST_COMPUTE_DOXYGEN_INVOKED
#define BOOST_COMPUTE_FUNCTION(return_type, name, arguments, source)
#else
#define BOOST_COMPUTE_FUNCTION(return_type, name, arguments, ...) \
    ::boost::compute::function<return_type arguments> name = \
        ::boost::compute::detail::make_function_impl<return_type arguments>( \
            #name, #arguments, #__VA_ARGS__ \
        )
#endif

#endif // BOOST_COMPUTE_FUNCTION_HPP

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