author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 03 May 2010 14:06:43 +0300 | |
changeset 22 | ddc455616bd6 |
parent 0 | e4d67989cc36 |
permissions | -rw-r--r-- |
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/* |
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* |
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* |
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* Copyright (c) 1994 |
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* Hewlett-Packard Company |
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* |
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* Copyright (c) 1996,1997 |
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* Silicon Graphics Computer Systems, Inc. |
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* |
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* Copyright (c) 1997 |
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* Moscow Center for SPARC Technology |
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* |
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* Copyright (c) 1999 |
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* Boris Fomitchev |
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* |
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* This material is provided "as is", with absolutely no warranty expressed |
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* or implied. Any use is at your own risk. |
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* |
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* Permission to use or copy this software for any purpose is hereby granted |
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* without fee, provided the above notices are retained on all copies. |
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* Permission to modify the code and to distribute modified code is granted, |
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* provided the above notices are retained, and a notice that the code was |
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* modified is included with the above copyright notice. |
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* |
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*/ |
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#ifndef _STLP_VALARRAY_C |
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#define _STLP_VALARRAY_C |
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|
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#ifndef _STLP_VALARRAY_H |
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# include <stl/_valarray.h> |
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#endif |
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_STLP_BEGIN_NAMESPACE |
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template <class _Tp> |
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_Valarray_bool valarray<_Tp>:: operator!() const { |
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_Valarray_bool __tmp(this->size(), _Valarray_bool::_NoInit()); |
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for (size_t __i = 0; __i < this->size(); ++__i) |
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__tmp[__i] = !(*this)[__i]; |
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return __tmp; |
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} |
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// Behavior is undefined if __x and *this have different sizes |
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template <class _Tp> |
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valarray<_Tp>& valarray<_Tp>::operator=(const slice_array<_Tp>& __x) |
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{ |
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size_t __index = __x._M_slice.start(); |
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for (size_t __i = 0; |
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__i < __x._M_slice.size(); |
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++__i, __index += __x._M_slice.stride()) |
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(*this)[__i] = __x._M_array[__index]; |
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return *this; |
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} |
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template <class _Tp> |
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valarray<_Tp> valarray<_Tp>::operator[](slice __slice) const { |
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valarray<_Tp> __tmp(__slice.size(), _NoInit()); |
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size_t __index = __slice.start(); |
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for (size_t __i = 0; |
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__i < __slice.size(); |
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++__i, __index += __slice.stride()) |
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__tmp[__i] = (*this)[__index]; |
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return __tmp; |
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} |
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|
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template <class _Size> |
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bool _Gslice_Iter_tmpl<_Size>::_M_incr() { |
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size_t __dim = _M_indices.size() - 1; |
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++_M_step; |
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for (;;) { |
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_M_1d_idx += _M_gslice._M_strides[__dim]; |
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if (++_M_indices[__dim] != _M_gslice._M_lengths[__dim]) |
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return true; |
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else if (__dim != 0) { |
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_M_1d_idx -= _M_gslice._M_strides[__dim] * _M_gslice._M_lengths[__dim]; |
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_M_indices[__dim] = 0; |
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--__dim; |
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} |
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else |
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return false; |
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} |
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} |
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|
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// Behavior is undefined if __x and *this have different sizes, or if |
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// __x was constructed from a degenerate gslice. |
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template <class _Tp> |
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valarray<_Tp>& valarray<_Tp>::operator=(const gslice_array<_Tp>& __x) |
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{ |
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if (this->size() != 0) { |
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_Gslice_Iter __i(__x._M_gslice); |
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do |
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(*this)[__i._M_step] = __x._M_array[__i._M_1d_idx]; |
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while(__i._M_incr()); |
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} |
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return *this; |
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} |
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|
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template <class _Tp> |
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valarray<_Tp> valarray<_Tp>::operator[](const gslice& __slice) const |
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{ |
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valarray<_Tp> __tmp(__slice._M_size(), _NoInit()); |
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if (__tmp.size() != 0) { |
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_Gslice_Iter __i(__slice); |
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do __tmp[__i._M_step] = (*this)[__i._M_1d_idx]; while(__i._M_incr()); |
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} |
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return __tmp; |
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} |
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108 |
|
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template <class _Tp> |
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valarray<_Tp> valarray<_Tp>::operator[](const _Valarray_bool& __mask) const |
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{ |
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size_t _p_size = 0; |
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{ |
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for (size_t __i = 0; __i < __mask.size(); ++__i) |
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if (__mask[__i]) ++_p_size; |
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} |
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|
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valarray<_Tp> __tmp(_p_size, _NoInit()); |
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size_t __idx = 0; |
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{ |
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for (size_t __i = 0; __i < __mask.size(); ++__i) |
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if (__mask[__i]) __tmp[__idx++] = (*this)[__i]; |
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} |
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|
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return __tmp; |
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} |
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|
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template <class _Tp> |
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valarray<_Tp>& valarray<_Tp>::operator=(const indirect_array<_Tp>& __x) { |
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for (size_t __i = 0; __i < __x._M_addr.size(); ++__i) |
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(*this)[__i] = __x._M_array[__x._M_addr[__i]]; |
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return *this; |
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} |
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|
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template <class _Tp> |
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valarray<_Tp> |
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valarray<_Tp>::operator[](const _Valarray_size_t& __addr) const |
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{ |
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valarray<_Tp> __tmp(__addr.size(), _NoInit()); |
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for (size_t __i = 0; __i < __addr.size(); ++__i) |
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__tmp[__i] = (*this)[__addr[__i]]; |
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return __tmp; |
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} |
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|
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//---------------------------------------------------------------------- |
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// Other valarray noninline member functions |
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|
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// Shift and cshift |
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|
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template <class _Tp> |
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valarray<_Tp> valarray<_Tp>::shift(int __n) const |
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{ |
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valarray<_Tp> __tmp(this->size()); |
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|
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if (__n >= 0) { |
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if (__n < this->size()) |
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copy(this->_M_first + __n, this->_M_first + this->size(), |
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__tmp._M_first); |
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} |
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else { |
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if (-__n < this->size()) |
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copy(this->_M_first, this->_M_first + this->size() + __n, |
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__tmp._M_first - __n); |
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} |
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return __tmp; |
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} |
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|
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template <class _Tp> |
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valarray<_Tp> valarray<_Tp>::cshift(int __m) const |
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{ |
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valarray<_Tp> __tmp(this->size()); |
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|
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if( this->size() == 0 ) |
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return __tmp; |
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|
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// Reduce __m to an equivalent number in the range [0, size()). We |
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// have to be careful with negative numbers, since the sign of a % b |
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// is unspecified when a < 0. |
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long __n = __m; |
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if (this->size() < (numeric_limits<long>::max)()) |
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__n %= long(this->size()); |
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if (__n < 0) |
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__n += this->size(); |
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|
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copy(this->_M_first, this->_M_first + __n, |
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__tmp._M_first + (this->size() - __n)); |
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copy(this->_M_first + __n, this->_M_first + this->size(), |
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__tmp._M_first); |
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|
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return __tmp; |
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} |
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|
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_STLP_END_NAMESPACE |
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|
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#endif /* _STLP_VALARRAY_C */ |
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|
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// Local Variables: |
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// mode:C++ |
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// End: |