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145 lines
2.5 KiB
C++
145 lines
2.5 KiB
C++
/*****************************************************************************
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DynArray.hpp
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By Laurent de Soras
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--- Legal stuff ---
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This program is free software. It comes without any warranty, to
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the extent permitted by applicable law. You can redistribute it
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and/or modify it under the terms of the Do What The Fuck You Want
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To Public License, Version 2, as published by Sam Hocevar. See
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http://sam.zoy.org/wtfpl/COPYING for more details.
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*Tab=3***********************************************************************/
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#if defined (ffft_DynArray_CURRENT_CODEHEADER)
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#error Recursive inclusion of DynArray code header.
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#endif
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#define ffft_DynArray_CURRENT_CODEHEADER
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#if ! defined (ffft_DynArray_CODEHEADER_INCLUDED)
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#define ffft_DynArray_CODEHEADER_INCLUDED
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/*\\\ INCLUDE FILES \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
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#include <cassert>
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namespace ffft
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{
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/*\\\ PUBLIC \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
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template <class T>
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DynArray <T>::DynArray ()
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: _data_ptr (0)
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, _len (0)
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{
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// Nothing
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}
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template <class T>
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DynArray <T>::DynArray (long size)
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: _data_ptr (0)
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, _len (0)
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{
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assert (size >= 0);
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if (size > 0)
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{
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_data_ptr = new DataType [size];
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_len = size;
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}
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}
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template <class T>
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DynArray <T>::~DynArray ()
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{
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delete [] _data_ptr;
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_data_ptr = 0;
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_len = 0;
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}
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template <class T>
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long DynArray <T>::size () const
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{
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return (_len);
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}
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template <class T>
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void DynArray <T>::resize (long size)
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{
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assert (size >= 0);
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if (size > 0)
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{
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DataType * old_data_ptr = _data_ptr;
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DataType * tmp_data_ptr = new DataType [size];
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_data_ptr = tmp_data_ptr;
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_len = size;
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delete [] old_data_ptr;
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}
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}
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template <class T>
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const typename DynArray <T>::DataType & DynArray <T>::operator [] (long pos) const
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{
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assert (pos >= 0);
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assert (pos < _len);
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return (_data_ptr [pos]);
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}
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template <class T>
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typename DynArray <T>::DataType & DynArray <T>::operator [] (long pos)
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{
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assert (pos >= 0);
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assert (pos < _len);
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return (_data_ptr [pos]);
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}
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/*\\\ PROTECTED \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
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/*\\\ PRIVATE \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
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} // namespace ffft
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#endif // ffft_DynArray_CODEHEADER_INCLUDED
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#undef ffft_DynArray_CURRENT_CODEHEADER
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/*\\\ EOF \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\*/
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