// The template and inlines for the -*- C++ -*- gslice class.
-// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2004, 2005
-// Free Software Foundation, Inc.
+// Copyright (C) 1997-2014 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
-// Free Software Foundation; either version 2, or (at your option)
+// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
-// You should have received a copy of the GNU General Public License along
-// with this library; see the file COPYING. If not, write to the Free
-// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
-// USA.
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
-// As a special exception, you may use this file as part of a free software
-// library without restriction. Specifically, if other files instantiate
-// templates or use macros or inline functions from this file, or you compile
-// this file and link it with other files to produce an executable, this
-// file does not by itself cause the resulting executable to be covered by
-// the GNU General Public License. This exception does not however
-// invalidate any other reasons why the executable file might be covered by
-// the GNU General Public License.
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+// <http://www.gnu.org/licenses/>.
-// Written by Gabriel Dos Reis <Gabriel.Dos-Reis@DPTMaths.ENS-Cachan.Fr>
-
-/** @file gslice.h
+/** @file bits/gslice.h
* This is an internal header file, included by other library headers.
- * You should not attempt to use it directly.
+ * Do not attempt to use it directly. @headername{valarray}
*/
+// Written by Gabriel Dos Reis <Gabriel.Dos-Reis@DPTMaths.ENS-Cachan.Fr>
+
#ifndef _GSLICE_H
#define _GSLICE_H 1
#pragma GCC system_header
-_GLIBCXX_BEGIN_NAMESPACE(std)
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+ /**
+ * @addtogroup numeric_arrays
+ * @{
+ */
/**
* @brief Class defining multi-dimensional subset of an array.
{
public:
/// Construct an empty slice.
- gslice ();
+ gslice();
/**
* @brief Construct a slice.
* Constructs a slice with as many dimensions as the length of the @a l
* and @a s arrays.
*
- * @param o Offset in array of first element.
- * @param l Array of dimension lengths.
- * @param s Array of dimension strides between array elements.
+ * @param __o Offset in array of first element.
+ * @param __l Array of dimension lengths.
+ * @param __s Array of dimension strides between array elements.
*/
- gslice(size_t, const valarray<size_t>&, const valarray<size_t>&);
+ gslice(size_t __o, const valarray<size_t>& __l,
+ const valarray<size_t>& __s);
// XXX: the IS says the copy-ctor and copy-assignment operators are
- // synthetized by the compiler but they are just unsuitable
+ // synthesized by the compiler but they are just unsuitable
// for a ref-counted semantic
/// Copy constructor.
gslice(const gslice&);
valarray<size_t> _M_size;
valarray<size_t> _M_stride;
valarray<size_t> _M_index; // Linear array of referenced indices
+
+ _Indexer()
+ : _M_count(1), _M_start(0), _M_size(), _M_stride(), _M_index() {}
+
_Indexer(size_t, const valarray<size_t>&,
const valarray<size_t>&);
+
void
_M_increment_use()
{ ++_M_count; }
};
inline size_t
- gslice::start () const
+ gslice::start() const
{ return _M_index ? _M_index->_M_start : 0; }
inline valarray<size_t>
- gslice::size () const
+ gslice::size() const
{ return _M_index ? _M_index->_M_size : valarray<size_t>(); }
inline valarray<size_t>
- gslice::stride () const
+ gslice::stride() const
{ return _M_index ? _M_index->_M_stride : valarray<size_t>(); }
- inline gslice::gslice () : _M_index(0) {}
+ // _GLIBCXX_RESOLVE_LIB_DEFECTS
+ // 543. valarray slice default constructor
+ inline
+ gslice::gslice()
+ : _M_index(new gslice::_Indexer()) {}
inline
gslice::gslice(size_t __o, const valarray<size_t>& __l,
: _M_index(new gslice::_Indexer(__o, __l, __s)) {}
inline
- gslice::gslice(const gslice& __g) : _M_index(__g._M_index)
+ gslice::gslice(const gslice& __g)
+ : _M_index(__g._M_index)
{ if (_M_index) _M_index->_M_increment_use(); }
inline
}
inline gslice&
- gslice::operator= (const gslice& __g)
+ gslice::operator=(const gslice& __g)
{
if (__g._M_index)
__g._M_index->_M_increment_use();
return *this;
}
-_GLIBCXX_END_NAMESPACE
+ // @} group numeric_arrays
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace
#endif /* _GSLICE_H */
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