1 | // (C) Copyright 2005 Matthias Troyer
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2 | // Use, modification and distribution is subject to the Boost Software
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3 | // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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4 | // http://www.boost.org/LICENSE_1_0.txt)
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5 |
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6 | // See http://www.boost.org for updates, documentation, and revision history.
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7 |
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8 | #ifndef BOOST_SERIALIZATION_DETAIL_GET_DATA_HPP
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9 | #define BOOST_SERIALIZATION_DETAIL_GET_DATA_HPP
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10 |
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11 | // MS compatible compilers support #pragma once
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12 | #if defined(_MSC_VER)
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13 | # pragma once
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14 | #endif
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15 |
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16 | #if defined(__SGI_STL_PORT) || defined(_STLPORT_VERSION)
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17 | #define STD _STLP_STD
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18 | #else
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19 | #define STD std
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20 | #endif
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21 |
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22 | #include <vector>
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23 | #include <valarray>
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24 |
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25 | namespace boost {
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26 | namespace serialization {
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27 | namespace detail {
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28 |
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29 | template <class T, class Allocator>
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30 | T* get_data(STD::vector<T,Allocator>& v)
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31 | {
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32 | return v.empty() ? 0 : &(v[0]);
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33 | }
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34 |
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35 | template <class T, class Allocator>
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36 | T* get_data(STD::vector<T,Allocator> const & v)
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37 | {
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38 | return get_data(const_cast<STD::vector<T,Allocator>&>(v));
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39 | }
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40 |
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41 | template <class T>
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42 | T* get_data(STD::valarray<T>& v)
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43 | {
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44 | return v.size()==0 ? 0 : &(v[0]);
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45 | }
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46 |
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47 | template <class T>
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48 | const T* get_data(STD::valarray<T> const& v)
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49 | {
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50 | return get_data(const_cast<STD::valarray<T>&>(v));
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51 | }
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52 |
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53 | } // detail
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54 | } // serialization
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55 | } // boost
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56 |
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57 | #undef STD
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58 |
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59 | #endif // BOOST_SERIALIZATION_DETAIL_GET_DATA_HPP
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