util.hpp

/*
 * util.hpp
 *
 *  Created on: Jul 16, 2015
 *      Author: i-bird
 */

#ifndef SRC_VECTOR_UTIL_HPP_
#define SRC_VECTOR_UTIL_HPP_

#include "util/common.hpp"


template<typename T, typename Sfinae = void>
struct is_vector: std::false_type {};

template<typename T>
struct is_vector<T, typename Void< typename T::yes_i_am_vector>::type > : std::true_type
{};


template<typename T, typename Sfinae = void>
struct is_vector_native: std::false_type {};


template<typename T>
struct is_vector_native<T, typename Void< typename std::remove_reference<T>::type::yes_i_am_vector_native>::type > : std::true_type
{};


template<typename T, typename Sfinae = void>
struct is_vector_dist: std::false_type {};


template<typename T>
struct is_vector_dist<T, typename Void< typename T::yes_i_am_vector_dist>::type > : std::true_type
{};


template<typename T, typename Sfinae = void>
struct is_gpu_celllist: std::false_type {};


template<typename T>
struct is_gpu_celllist<T, typename Void<typename T::yes_is_gpu_celllist>::type> : std::true_type
{};


template<typename T, typename Sfinae = void>
struct is_gpu_ker_celllist: std::false_type {};


template<typename T>
struct is_gpu_ker_celllist<T, typename Void<typename T::yes_is_gpu_ker_celllist>::type> : std::true_type
{};

// structure to check the device pointer

template<typename data_type>
struct check_device_ptr
{
    void * ptr;

    data_type & data;

    mutable int prp;

    mutable bool result;

    inline check_device_ptr(void * ptr, data_type & data)
    :ptr(ptr),data(data),result(false)
    {};

    template<typename T>
    inline void operator()(T& t)
    {
        if (data.template getPointer<T::value>() == ptr)
        {
            prp = T::value;
            result = true;
        }
    }
};

#endif /* SRC_VECTOR_UTIL_HPP_ */