device_contiguous_sequence.hpp

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/*
Copyright (c) 2014-2016, Scott Zuyderduyn
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//----------------------------------------------------------------------------
// model/device_contiguous_sequence.hpp
//
// Lowest-level representation of a contiguous sequence in device memory.
//
// Author: Scott D. Zuyderduyn, Ph.D. (scott.zuyderduyn@utoronto.ca)
//----------------------------------------------------------------------------

#pragma once
#ifndef ECUDA_MODEL_DEVICE_CONTIGUOUS_SEQUENCE_HPP
#define ECUDA_MODEL_DEVICE_CONTIGUOUS_SEQUENCE_HPP

#include "../global.hpp"
#include "../memory.hpp"
#include "../iterator.hpp"

#include "device_sequence.hpp"

namespace ecuda {

namespace model {

template<typename T,class P=typename ecuda::add_pointer<T>::type>
class device_contiguous_sequence : public device_sequence<T,P>
{
private:
    typedef device_sequence<T,P> base_type;

public:
    typedef typename base_type::value_type      value_type;
    typedef typename base_type::pointer         pointer;
    typedef typename base_type::reference       reference;
    typedef typename base_type::const_reference const_reference;
    typedef typename base_type::size_type       size_type;
    typedef typename base_type::difference_type difference_type;

    typedef device_contiguous_iterator<value_type>       iterator;
    typedef device_contiguous_iterator<const value_type> const_iterator;
    typedef reverse_device_iterator<iterator>            reverse_iterator;
    typedef reverse_device_iterator<const_iterator>      const_reverse_iterator;

public:
    __HOST__ __DEVICE__ device_contiguous_sequence( pointer ptr = pointer(), size_type length = 0 ) : base_type(ptr,length) {}
    __HOST__ __DEVICE__ device_contiguous_sequence( const device_contiguous_sequence& src ) : base_type(src) {}
    template<typename U,class PointerType2> __HOST__ __DEVICE__ device_contiguous_sequence( const device_contiguous_sequence<U,PointerType2>& src ) : base_type(src) {}
    __HOST__ device_contiguous_sequence& operator=( const device_contiguous_sequence& src )
    {
        base_type::operator=(src);
        return *this;
    }
    #ifdef ECUDA_CPP11_AVAILABLE
    __HOST__ device_contiguous_sequence( device_contiguous_sequence&& src ) : base_type(src) {}
    __HOST__ device_contiguous_sequence& operator=( device_contiguous_sequence&& src )
    {
        base_type::operator=(src);
        return *this;
    }
    #endif

    __HOST__ __DEVICE__ inline iterator       begin()        { return iterator( unmanaged_cast(base_type::get_pointer()) ); }
    __HOST__ __DEVICE__ inline iterator       end()          { return iterator( unmanaged_cast(base_type::get_pointer()) + base_type::size() ); }
    __HOST__ __DEVICE__ inline const_iterator begin() const  { return const_iterator( unmanaged_cast(base_type::get_pointer()) ); }
    __HOST__ __DEVICE__ inline const_iterator end() const    { return const_iterator( unmanaged_cast(base_type::get_pointer()) + base_type::size() ); }
    #ifdef ECUDA_CPP11_AVAILABLE
    __HOST__ __DEVICE__ inline const_iterator cbegin() const { return const_iterator( unmanaged_cast(base_type::get_pointer()) ); }
    __HOST__ __DEVICE__ inline const_iterator cend() const   { return const_iterator( unmanaged_cast(base_type::get_pointer()) + base_type::size() ); }
    #endif

    __HOST__ __DEVICE__ inline reverse_iterator       rbegin()        { return reverse_iterator(end()); }
    __HOST__ __DEVICE__ inline reverse_iterator       rend()          { return reverse_iterator(begin()); }
    __HOST__ __DEVICE__ inline const_reverse_iterator rbegin() const  { return const_reverse_iterator(end()); }
    __HOST__ __DEVICE__ inline const_reverse_iterator rend() const    { return const_reverse_iterator(begin()); }
    #ifdef ECUDA_CPP11_AVAILABLE
    __HOST__ __DEVICE__ inline const_reverse_iterator crbegin() const { return const_reverse_iterator(end()); }
    __HOST__ __DEVICE__ inline const_reverse_iterator crend() const   { return const_reverse_iterator(begin()); }
    #endif

};

} // namespace model

} // namespace ecuda

#endif