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// The template and inlines for the -*- C++ -*- indirect_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 

#ifndef _CPP_BITS_INDIRECT_ARRAY_H

#define _CPP_BITS_INDIRECT_ARRAY_H 1

#pragma GCC system_header

namespace std {

    template  class indirect_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&);

        //    ~indirect_array();

        template

        void operator=  (const _Expr<_Dom, _Tp>&) const;

        template

        void operator*= (const _Expr<_Dom, _Tp>&) const;

        template

        void operator/= (const _Expr<_Dom, _Tp>&) const;

        template

        void operator%= (const _Expr<_Dom, _Tp>&) const;

        template

        void operator+= (const _Expr<_Dom, _Tp>&) const;

        template

        void operator-= (const _Expr<_Dom, _Tp>&) const;

        template

        void operator^= (const _Expr<_Dom, _Tp>&) const;

        template

        void operator&= (const _Expr<_Dom, _Tp>&) const;

        template

        void operator|= (const _Expr<_Dom, _Tp>&) const;

        template

        void operator<<= (const _Expr<_Dom, _Tp>&) const;

        template

        void operator>>= (const _Expr<_Dom, _Tp>&) const;

    private:

    indirect_array (const indirect_array&);

    indirect_array (_Array<_Tp>, size_t, _Array);

    friend class valarray<_Tp>;

    friend class gslice_array<_Tp>;

    const size_t 	 _M_sz;

    const _Array _M_index;

    const _Array<_Tp> 	 _M_array;

        // not implemented

        indirect_array ();

        indirect_array& operator= (const indirect_array&);

    };

    template

    inline indirect_array<_Tp>::indirect_array(const indirect_array<_Tp>& __a)

            : _M_sz (__a._M_sz), _M_index (__a._M_index),

              _M_array (__a._M_array) {}

    template

    inline

    indirect_array<_Tp>::indirect_array (_Array<_Tp> __a, size_t __s,

                                         _Array __i)

            : _M_sz (__s), _M_index (__i), _M_array (__a) {}

    // template

    // inline indirect_array<_Tp>::~indirect_array() {}

    template

    inline void

    indirect_array<_Tp>::operator= (const _Tp& __t)

    { __valarray_fill(_M_array, _M_index, _M_sz, __t); }

    template

    inline void

    indirect_array<_Tp>::operator= (const valarray<_Tp>& __v) const

    { __valarray_copy (_Array<_Tp> (__v), _M_sz, _M_array, _M_index); }

    template

    template

    inline void

    indirect_array<_Tp>::operator= (const _Expr<_Dom,_Tp>& __e) const

    { __valarray_copy (__e, _M_sz, _M_array, _M_index); }

#undef _DEFINE_VALARRAY_OPERATOR

#define _DEFINE_VALARRAY_OPERATOR(op, name)				\

template							\

inline void								\

indirect_array<_Tp>::operator op##= (const valarray<_Tp>& __v) const	\

{									\

  _Array_augmented_##name (_M_array, _M_index, _Array<_Tp> (__v), _M_sz); \

}									\

									\

template template				\

inline void								\

indirect_array<_Tp>::operator op##= (const _Expr<_Dom,_Tp>& __e) const \

{									\

  _Array_augmented_##name (_M_array, _M_index, __e, _M_sz);		\

}

_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_INDIRECT_ARRAY_H */

// Local Variables:

// mode:c++

// End: