// The template and inlines for the -*- C++ -*- gslice_array class.
// Copyright (C) 1997-2001 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)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
// 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.
// Written by Gabriel Dos Reis <Gabriel.Dos-Reis@DPTMaths.ENS-Cachan.Fr>
#ifndef _CPP_BITS_GSLICE_ARRAY
#define _CPP_BITS_GSLICE_ARRAY 1
#pragma GCC system_header
namespace std {
template<typename _Tp> class gslice_array
{
public:
typedef _Tp value_type;
void operator= (const valarray<_Tp>&) const;
void operator*= (const valarray<_Tp>&) const;
void operator/= (const valarray<_Tp>&) const;
void operator%= (const valarray<_Tp>&) const;
void operator+= (const valarray<_Tp>&) const;
void operator-= (const valarray<_Tp>&) const;
void operator^= (const valarray<_Tp>&) const;
void operator&= (const valarray<_Tp>&) const;
void operator|= (const valarray<_Tp>&) const;
void operator<<=(const valarray<_Tp>&) const;
void operator>>=(const valarray<_Tp>&) const;
void operator=(const _Tp&);
template<class _Dom>
void operator= (const _Expr<_Dom,_Tp>&) const;
template<class _Dom>
void operator*= (const _Expr<_Dom,_Tp>&) const;
template<class _Dom>
void operator/= (const _Expr<_Dom,_Tp>&) const;
template<class _Dom>
void operator%= (const _Expr<_Dom,_Tp>&) const;
template<class _Dom>
void operator+= (const _Expr<_Dom,_Tp>&) const;
template<class _Dom>
void operator-= (const _Expr<_Dom,_Tp>&) const;
template<class _Dom>
void operator^= (const _Expr<_Dom,_Tp>&) const;
template<class _Dom>
void operator&= (const _Expr<_Dom,_Tp>&) const;
template<class _Dom>
void operator|= (const _Expr<_Dom,_Tp>&) const;
template<class _Dom>
void operator<<= (const _Expr<_Dom,_Tp>&) const;
template<class _Dom>
void operator>>= (const _Expr<_Dom,_Tp>&) const;
private:
_Array<_Tp> _M_array;
const valarray<size_t>& _M_index;
friend class valarray<_Tp>;
gslice_array (_Array<_Tp>, const valarray<size_t>&);
// this constructor needs to be implemented.
gslice_array (const gslice_array&);
// not implemented
gslice_array();
gslice_array& operator= (const gslice_array&);
};
template<typename _Tp>
inline
gslice_array<_Tp>::gslice_array (_Array<_Tp> __a,
const valarray<size_t>& __i)
: _M_array (__a), _M_index (__i) {}
template<typename _Tp>
inline
gslice_array<_Tp>::gslice_array (const gslice_array<_Tp>& __a)
: _M_array (__a._M_array), _M_index (__a._M_index) {}
template<typename _Tp>
inline void
gslice_array<_Tp>::operator= (const _Tp& __t)
{
__valarray_fill (_M_array, _Array<size_t>(_M_index),
_M_index.size(), __t);
}
template<typename _Tp>
inline void
gslice_array<_Tp>::operator= (const valarray<_Tp>& __v) const
{
__valarray_copy (_Array<_Tp> (__v), __v.size (),
_M_array, _Array<size_t>(_M_index));
}
template<typename _Tp>
template<class E>
inline void
gslice_array<_Tp>::operator= (const _Expr<E, _Tp>& __e) const
{
__valarray_copy (__e, _M_index.size(), _M_array,
_Array<size_t>(_M_index));
}
#undef _DEFINE_VALARRAY_OPERATOR
#define _DEFINE_VALARRAY_OPERATOR(op, name) \
template<typename _Tp> \
inline void \
gslice_array<_Tp>::operator op##= (const valarray<_Tp>& __v) const \
{ \
_Array_augmented_##name (_M_array, _Array<size_t>(_M_index), \
_Array<_Tp> (__v), __v.size ()); \
} \
\
template<typename _Tp> template<class E> \
inline void \
gslice_array<_Tp>::operator op##= (const _Expr<E, _Tp>& __e) const \
{ \
_Array_augmented_##name (_M_array, _Array<size_t>(_M_index), __e, \
_M_index.size()); \
}
_DEFINE_VALARRAY_OPERATOR(*, multiplies)
_DEFINE_VALARRAY_OPERATOR(/, divides)
_DEFINE_VALARRAY_OPERATOR(%, modulus)
_DEFINE_VALARRAY_OPERATOR(+, plus)
_DEFINE_VALARRAY_OPERATOR(-, minus)
_DEFINE_VALARRAY_OPERATOR(^, xor)
_DEFINE_VALARRAY_OPERATOR(&, and)
_DEFINE_VALARRAY_OPERATOR(|, or)
_DEFINE_VALARRAY_OPERATOR(<<, shift_left)
_DEFINE_VALARRAY_OPERATOR(>>, shift_right)
#undef _DEFINE_VALARRAY_OPERATOR
} // std::
#endif /* _CPP_BITS_GSLICE_ARRAY */
// Local Variables:
// mode:c++
// End: