56 lines
1.3 KiB
C++
56 lines
1.3 KiB
C++
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// (C) Copyright 2005 Matthias Troyer
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// Use, modification and distribution is subject to the Boost Software
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// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// See http://www.boost.org for updates, documentation, and revision history.
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#ifndef BOOST_SERIALIZATION_DETAIL_GET_DATA_HPP
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#define BOOST_SERIALIZATION_DETAIL_GET_DATA_HPP
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// MS compatible compilers support #pragma once
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#if defined(_MSC_VER) && (_MSC_VER >= 1020)
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# pragma once
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#endif
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#if defined(__SGI_STL_PORT) || defined(_STLPORT_VERSION)
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#define STD _STLP_STD
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#else
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#define STD std
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#endif
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#include <vector>
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#include <valarray>
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namespace boost { namespace serialization { namespace detail {
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template <class T, class Allocator>
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T* get_data(STD::vector<T,Allocator>& v)
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{
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return v.empty() ? 0 : &(v[0]);
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}
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template <class T, class Allocator>
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T* get_data(STD::vector<T,Allocator> const & v)
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{
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return get_data(const_cast<STD::vector<T,Allocator>&>(v));
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}
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template <class T>
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T* get_data(STD::valarray<T>& v)
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{
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return v.size()==0 ? 0 : &(v[0]);
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}
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template <class T>
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const T* get_data(STD::valarray<T> const& v)
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{
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return get_data(const_cast<STD::valarray<T>&>(v));
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}
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} } } //namespace boost::serialization::detail
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#endif // BOOST_SERIALIZATION_DETAIL_GET_DATA_HPP
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