memory.hpp

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// memory.hpp v2.4.1
/*
 *  Copyright (c) 2007 Leigh Johnston.
 *
 *  All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are
 *  met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *
 *     * Neither the name of Leigh Johnston nor the names of any
 *       other contributors to this software may be used to endorse or
 *       promote products derived from this software without specific prior
 *       written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 *  IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 *  THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 *  PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 *  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 *  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 *  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 *  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/* WARNING: The classes present here are not a substitute for any equivalent std:: 
 * classes available on your platform which you should be using instead.  They exist here
 * either for technical reasons or for when there is no standard library available.
  */
 
#pragma once
 
#include <neolib/neolib.hpp>
#include <new>
#include <stdexcept>
#include <memory>
 
namespace neolib
{
    namespace detail
    {
        template <typename T> inline
            void construct(void* mem, const T& object)
        {
            new (mem) T(object);
        }
 
        template <typename InIter, typename OutIter> inline
            OutIter uninitialized_copy_dispatch(InIter first, InIter last, OutIter result, std::false_type)
        {
            while (first != last)
                detail::construct(static_cast<void*>(&*result++), *first++);
            return result;
        }
 
        template <typename T> inline
            T* uninitialized_copy_dispatch(const T* first, const T* last, T* result, std::true_type)
        {
            memcpy(result, first, (last - first) * sizeof(T));
            result += (last - first);
            return result;
        }
 
        template <typename InIter, typename OutIter, typename T> inline
            OutIter uninitialized_copy(InIter first, InIter last, OutIter result, const T&)
        {
            return uninitialized_copy_dispatch(first, last, result, std::is_scalar<T>::type());
        }
    }
 
    template <typename InIter, typename OutIter> inline
    OutIter uninitialized_copy(InIter first, InIter last, OutIter result)
    {
        return detail::uninitialized_copy(first, last, result, *result);
    }
}