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File indexing completed on 2025-01-30 09:48:15
0001 #ifndef BOOST_MULTI_ARRAY_ALGORITHM_HPP 0002 #define BOOST_MULTI_ARRAY_ALGORITHM_HPP 0003 0004 // 0005 // 0006 // Copyright (c) 1994 0007 // Hewlett-Packard Company 0008 // 0009 // Permission to use, copy, modify, distribute and sell this software 0010 // and its documentation for any purpose is hereby granted without fee, 0011 // provided that the above copyright notice appear in all copies and 0012 // that both that copyright notice and this permission notice appear 0013 // in supporting documentation. Hewlett-Packard Company makes no 0014 // representations about the suitability of this software for any 0015 // purpose. It is provided "as is" without express or implied warranty. 0016 // 0017 // 0018 // Copyright (c) 1996-1998 0019 // Silicon Graphics Computer Systems, Inc. 0020 // 0021 // Permission to use, copy, modify, distribute and sell this software 0022 // and its documentation for any purpose is hereby granted without fee, 0023 // provided that the above copyright notice appear in all copies and 0024 // that both that copyright notice and this permission notice appear 0025 // in supporting documentation. Silicon Graphics makes no 0026 // representations about the suitability of this software for any 0027 // purpose. It is provided "as is" without express or implied warranty. 0028 // 0029 0030 // Copyright 2002 The Trustees of Indiana University. 0031 0032 // Use, modification and distribution is subject to the Boost Software 0033 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at 0034 // http://www.boost.org/LICENSE_1_0.txt) 0035 0036 // Boost.MultiArray Library 0037 // Authors: Ronald Garcia 0038 // Jeremy Siek 0039 // Andrew Lumsdaine 0040 // See http://www.boost.org/libs/multi_array for documentation. 0041 0042 0043 #include <iterator> 0044 0045 namespace boost { 0046 namespace detail { 0047 namespace multi_array { 0048 //-------------------------------------------------- 0049 // copy_n (not part of the C++ standard) 0050 #if 1 0051 0052 template <class InputIter, class Size, class OutputIter> 0053 OutputIter copy_n(InputIter first, Size count, 0054 OutputIter result) { 0055 for ( ; count > 0; --count) { 0056 *result = *first; 0057 ++first; 0058 ++result; 0059 } 0060 return result; 0061 } 0062 #else // !1 0063 0064 template <class InputIter, class Size, class OutputIter> 0065 OutputIter copy_n__(InputIter first, Size count, 0066 OutputIter result, 0067 std::input_iterator_tag) { 0068 for ( ; count > 0; --count) { 0069 *result = *first; 0070 ++first; 0071 ++result; 0072 } 0073 return result; 0074 } 0075 0076 template <class RAIter, class Size, class OutputIter> 0077 inline OutputIter 0078 copy_n__(RAIter first, Size count, 0079 OutputIter result, 0080 std::random_access_iterator_tag) { 0081 RAIter last = first + count; 0082 return std::copy(first, last, result); 0083 } 0084 0085 template <class InputIter, class Size, class OutputIter> 0086 inline OutputIter 0087 copy_n__(InputIter first, Size count, OutputIter result) { 0088 typedef typename std::iterator_traits<InputIter>::iterator_category cat; 0089 return copy_n__(first, count, result, cat()); 0090 } 0091 0092 template <class InputIter, class Size, class OutputIter> 0093 inline OutputIter 0094 copy_n(InputIter first, Size count, OutputIter result) { 0095 return copy_n__(first, count, result); 0096 } 0097 0098 #endif // 1 0099 } // namespace multi_array 0100 } // namespace detail 0101 } // namespace boost 0102 0103 #endif
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