2024-08-10 12:58:21 -05:00

113 lines
2.4 KiB
C++

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